Polymers based on benzodiones
The present invention relates to polymers comprising one or more (repeating) unit(s) of the formula (I), and compounds of formula (III), wherein Y, Y 15 , Y 16 and Y 17 are independently of each other a group of formula (A), (B) or (C) and their use as IR absorber, organic semiconductor in organic devices, especially in organic photovoltaics and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers and compounds according to the invention can have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers and compounds according to the invention are used in organic field effect transistors, organic photovoltaics and photodiodes.
1. A polymer, comprising a unit of formula Ar 3 c Ar 2 b Ar 1 a Y Ar 1′ a′ Ar 2′ b′ Ar 3′ c′ (I), wherein Y is a group of formula
a is 1, 2, or 3, a′ is 1, 2, or 3; b is 0, 1, 2, or 3; b′ is 0, 1, 2, or 3; c is 0, 1, 2, or 3; c′ is 0, 1, 2, or 3;
U 1 is O, S, or NR 1 ;
U 2 is O, S, or NR 2 ;
T 1 and T 2 are each independently hydrogen, halogen, hydroxyl, cyano, —COOR 103 , —OCOR 103 , —NR 112 COR 103 , —CONR 112 R 113 , —OR 103′ , —SR 103′ , —SOR 103′ , —SO 2 R 103′ , —NR 112 SO 2 R 103′ , —NR 112 R 113 , C 1 -C 25 alkyl, which may be substituted by E and/or interrupted by D, C 5 -C 12 cycloalkyl, which can be substituted one to three times with C 1 -C 8 alkyl and/or C 1 -C 8 alkoxy; C 7 -C 25 arylalkyl, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, or C 2 -C 20 heteroaryl which is substituted by G;
R 1 and R 2 may be the same or different and are each independently selected from hydrogen, a C 1 -C 100 alkyl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group; and/or can optionally be interrupted by —O—, —S—, —NR 39 —, CONR 39 —, NR 39 CO—, —COO—, —CO— or —OCO—,
a C 2 -C 100 alkenyl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group; and/or can optionally be interrupted by —O—, —S—, —NR 39 —, CONR 39 —, NR 39 CO—, —COO—, —CO— or —OCO—,
a C 3 -C 100 alkinyl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group; and/or can optionally be interrupted by —O—, —S—, —NR 39 —, CONR 39 —, NR 39 CO—, —COO—, —CO— or —OCO—,
a C 3 -C 12 cycloalkyl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group; and/or can optionally be interrupted by —O—, —S—, —NR 39 —, CONR 39 —, NR 39 CO—, —COO—, —CO— or —OCO—,
a C 6 -C 24 aryl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group,
a C 2 -C 20 heteroaryl group which can optionally be substituted with C 1 -C 12 alkoxy, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group,
a —CO—C 1 -C 18 alkyl group, a —CO—C 5 -C 12 cycloalkyl group, or —COO—C 1 -C 18 alkyl group;
R 39 is hydrogen, C 1 -C 18 alkyl, C 1 -C 18 haloalkyl, C 7 -C 25 arylalkyl, or C 1 -C 18 alkanoyl,
R 103 and R 103′ are each independently C 1 -C 100 alkyl, C 1 -C 25 alkyl substituted by E and/or interrupted with D, C 7 -C 25 arylalkyl, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, or C 2 -C 20 heteroaryl which is substituted by G;
Ar 1 and Ar 1′ are each independently
wherein
X is —O—, —S—, —NR 8 —, —Si(R 11 )(R 11′ )—, —Ge(R 11 )(R 11′ )—, —C(R 7 )(R 7′ )—, —C(═O)—, —C(═CR 104 R 104′ )—,
Ar 2 , Ar 2′ , Ar 3 and Ar 3′ have independently of each other the meaning of Ar 1 , or are independently of each other
wherein
X 1 is S, O, NR 107 —, —Si(R 117 )(R 117′ )—, —Ge(R 117 )(R 117′ )—, —C(R 106 )(R 109 )—, —C(═O)—, —C(═CR 104 R 104′ )—,
R 3 and R 3′ are each independently hydrogen, halogen, halogenated C 1 -C 25 alkyl, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; C 7 -C 25 arylalkyl, or C 1 -C 25 alkoxy;
R 104 and R 104′ are each independently hydrogen, cyano, COOR 103 , a C 1 -C 25 alkyl group, or C 6 -C 24 aryl or C 2 -C 20 heteroaryl;
R 4 , R 4′ , R 5 , R 5′ , R 6 , and R 6′ are each independently hydrogen, halogen, halogenated C 1 -C 25 alkyl, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; C 7 -C 25 arylalkyl, or C 1 -C 25 alkoxy;
R 7 , R 7′ , R 9 and R 9′ are each independently hydrogen, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen, or sulphur atom; or C 7 -C 25 arylalkyl,
R 8 and R 8′ are each independently hydrogen, C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; or C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; or C 7 -C 25 arylalkyl,
R 11 and R 11′ are each independently C 1 -C 25 alkyl group, which can be substituted with C 1 -C 8 alkyl and/or C-C 8 alkoxy;
R 12 and R 12′ are each independently hydrogen, halogen, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen, or sulphur atom, C 1 -C 25 alkoxy, C 7 -C 25 arylalkyl, or R 13 , wherein R 13 is a C 1 -C 10 alkyl group, or a tri(C 1 -C 8 alkyl)silyl group;
R 104 and R 104′ are each independently hydrogen, C 1 -C 18 alkyl, C 6 -C 10 aryl, which may optionally be substituted by G, or C 2 -C 8 heteroaryl, which may optionally be substituted by G,
R 105 , R 105′ , R 106 and R 106′ are each independently hydrogen, halogen, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; C 7 -C 25 arylalkyl, or C 1 -C 18 alkoxy;
R 107 is hydrogen, C 7 -C 25 arylalkyl, C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; C 1 -C 18 perfluoroalkyl; C 1 -C 25 alkyl, which may be interrupted by —O—, or —S—; or —COOR 103 ;
R 108 and R 109 are each independently H, C 1 -C 25 alkyl, C 1 -C 25 alkyl which is substituted by E and/or interrupted by D, C 7 -C 25 arylalkyl, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, C 2 -C 20 heteroaryl which is substituted by G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, or C 7 -C 25 aralkyl, or
R 108 and R 109 together form a group of formula ═CR 110 R 111 , wherein
R 110 and R 111 are each independently H, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, or C 2 -C 20 heteroaryl, or C 2 -C 20 heteroaryl which is substituted by G, or
R 108 and R 109 together form a five or six membered ring, which optionally can be substituted by C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, C 2 -C 20 heteroaryl which is substituted by G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, or C 7 -C 25 aralkyl;
D is —CO—, —COO—, —S—, —O—, or —NR 112 —;
E is C 1 -C 8 thioalkoxy, C 1 -C 8 alkoxy, CN, —NR 112 R 113 , —CONR 112 R 113 , or halogen;
G is E, or C 1 -C 18 alkyl;
R 112 and R 113 are each independently H; C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; C 1 -C 18 alkyl; or C 1 -C 18 alkyl which is interrupted by —O—;
R 114 is C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen, or sulphur atom;
R 115 and R 115′ are each independently hydrogen, halogen, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen, or sulphur atom, C 1 -C 25 alkoxy, C 7 -C 25 arylalkyl, or R 116 , wherein R 116 is a C 1 -C 10 alkyl group, or a tri(C 1 -C 8 alkyl)silyl group;
R 117 and R 117′ are each independently C 1 -C 25 alkyl group, which can be substituted one to three times with C 1 -C 8 alkyl and/or C 1 -C 8 alkoxy;
R 118 , R 119 , R 120 and R 121 are each independently hydrogen, halogen, halogenated C 1 -C 25 alkyl, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; C 7 -C 25 arylalkyl, or C 1 -C 25 alkoxy; and
R 122 and R 122′ are each independently hydrogen, C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; or C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; or C 7 -C 25 arylalkyl.
2. The polymer according to claim 1 , which is a polymer comprising a unit of formula Ar 1 a Y Ar 1′ a′ , (I′), wherein Y is a group of formula
U 1 is O, S, or NR 1 ;
U 2 is O, S, or NR 2 ;
T 1 and T 2 are each independently hydrogen, halogen, cyano, —COOR 103 , —OCOR 103 , —OR 103′ , C 1 -C 25 alkyl, which may be substituted by E and/or interrupted by D, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, or C 2 -C 20 heteroaryl which is substituted by G;
R 1 and R 2 may be the same or different and are each independently selected from the group consisting of hydrogen, C 1 -C 50 alkyl, C 1 -C 50 haloalkyl, C 7 -C 25 arylalkyl, C 2 -C 50 alkenyl, C 2 -C 50 haloalkenyl, allyl, C 5 -C 12 cycloalkyl, phenyl or naphthyl which can optionally be substituted with C 1 -C 12 alkyl or C 1 -C 12 alkoxy, —CO—C 1 -C 18 alkyl, —CO—C 5 -C 12 cycloalkyl, and —COO—C 1 -C 18 alkyl;
a is 1, 2, or 3, a′ is 1, 2, or 3; wherein Ar 1 and Ar 1′ are as defined in claim 1 ; and R 103 , R 103′ , D, E and G are as defined in claim 1 .
3. The polymer according to claim 1 , comprising at least one unit selected from the group consisting of formula
wherein
U 1 is O, or NR 1 ;
U 2 is O, or NR 2 ;
T 1 and T 2 are each independently hydrogen, or C 1 -C 25 alkyl;
R 1 and R 2 may be the same or different and are each independently selected from a C 1 -C 38 alkyl group;
R 3 and R 3′ are each independently hydrogen or C 1 -C 25 alkyl; and
R 8 and R 8′ are each independently hydrogen or C 1 -C 25 alkyl.
4. The polymer according to claim 3 , comprising a unit of formula * A * and * COM 1 *, wherein
A is a repeating unit of formula (I), and
—COM 1 — is a repeating unit, which has the meaning of Ar 2 , or a group of formula * Ar 14 s Ar 15 t Ar 16 u Ar 17 v *,
s is 1, t is 1, u is 0, or 1, v is 0, or 1, and
Ar 14 , Ar 15 , Ar 16 and Ar 17 are each independently a group of formula
wherein one of X 5 and X 6 is N and the other is CR 14 , and
R 14 , R 14′ , R 17 and R 17′ are each independently H, or a C 1 -C 25 alkyl group.
5. The polymer according to claim 4 , wherein A is a repeating unit of formula (Ia), (Ib), (Id), or (Ii), and * COM 1 * is a group of formula
where R 3 , R 3′ , R 17 and R 17′ are each independently hydrogen, or C 1 -C 25 alkyl.
6. The polymer according to claim 4 , which is a polymer of formula
wherein
n is from 4 to 1000,
R 1 is a C 1 -C 38 alkyl group,
R 3 , R 3″ and R 3′ are each independently hydrogen, halogen, cyano, C 1 -C 25 alkyl or C 1 -C 25 alkoxy;
R 4 and R 5 are each independently hydrogen, or C 1 -C 25 alkyl;
R 12 and R 12′ are H, or a C 1 -C 25 alkyl group;
R 7 and R 7′ are independent of each other;
R 14 and R 14′ are each independently hydrogen, halogen, cyano, C 1 -C 25 alkyl or C 1 -C 25 alkoxy;
R 17 and R 17′ are each independently H, or a C 1 -C 25 alkyl group;
R 103 is C 1 -C 25 alkyl;
R 104 and R 104′ are each independently hydrogen, cyano, COOR 103 , C 1 -C 25 alkyl;
R 105 , R 105′ , R 106 and R 106′ are each independently hydrogen, halogen, cyano, C 1 -C 25 alkyl or C 1 -C 25 alkoxy; and
R 107 is C 1 -C 25 alkyl.
7. A process for the preparation of a polymer of formula
according to claim 4 , comprising reacting a dihalogenide of formula X 10 -A-X 10 with an equimolar amount of a diboronic acid or diboronate corresponding to formula X 11 COM 1 X 11 , or
reacting a dihalogenide of formula X 10 COM 1 X 10 with an equimolar amount of a diboronic acid or diboronate corresponding to formula X 11 -A-X 11 , wherein X 10 is halogen, and X 11 is independently in each occurrence —B(OH) 2 , —B(OY 1 ) 2 ,
wherein Y 1 is independently in each occurrence a C 1 -C 10 alkyl group and Y 2 is independently in each occurrence a C 2 -C 10 alkylene group and Y 13 and Y 14 are independently of each other hydrogen, or a C 1 -C 10 alkyl group, in a solvent and in the presence of a catalyst; or
reacting a dihalogenide of formula X 10 -A-X 10 with an equimolar amount of an organo tin compound corresponding to formula X 11′ COM 1 X 11′ , or
reacting a dihalogenide of formula X 10 COM 1 X 10 with an equimolar amount of an organo tin compound corresponding to formula X 11′ -A-X 11′ , wherein
X 11′ is independently in each occurrence —SnR 207 R 208 R 209 , wherein R 207 , R 208 and R 209 are identical or different and are H or C 1 -C 6 alkyl, or two of the groups R 207 , R 208 and R 209 form a ring and these groups are optionally branched, A and COM 1 are as defined in claim 4 and n is in the range of 4 to 1000.
8. An organic semiconductor material, layer or component, comprising a polymer according to claim 1 .
9. A semiconductor device, comprising a polymer according to claim 1 .
10. The semiconductor device according to claim 9 , which is an organic photovoltaic device, a photodiode, or an organic field effect transistor.
11. The polymer according to claim 1 , wherein the polymer is suitable for PV devices, photodiodes, as IR absorber, or organic field effect transistor.
12. A compound of formula A 1 -Y A 3 -y 15 o A 4 -Y 16 p A 5 -Y 17 q A 2 (III), wherein Y, Y 15 , Y 16 and Y 17 are each independently a group of formula
o is 0, or 1, p is 0, or 1, q is 0, or 1;
A 1 and A 2 are each independently a group of formula Ar 1 a Ar 2 b Ar 3 c-R 10 ,
A 3 , A 4 and A 5 are each independently a group of formula * Ar 4 k Ar 5 l Ar 6 r Ar 7 z *,
k is 1, 2, or 3; 1 is 0, 1, 2, or 3; r is 0, 1, 2, or 3; z is 0, 1, 2, or 3;
R 10 is hydrogen, halogen, cyano, C 1 -C 25 alkyl, C 1 -C 25 alkyl which is substituted by E and/or interrupted by D,
COO—C 1 -C 18 alkyl, C 4 -C 18 cycloalkyl group, C 4 -C 18 cycloalkyl group, which is substituted by G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 1 -C 18 thioalkoxy, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, C 7 -C 25 aralkyl, C 7 -C 25 aralkyl, which is substituted by G, or a group of formulae IVa to IVm,
wherein R 22 to R 26 and R 29 to R 58 are each independently of H, halogen, cyano, C 1 -C 25 alkyl, C 1 -C 25 alkyl which is substituted by E and/or interrupted by D, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, C 2 -C 20 heteroaryl which is substituted by G, a C 4 -C 18 cycloalkyl group, a C 4 -C 18 cycloalkyl group, which is substituted by G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, C 7 -C 25 aralkyl, or C 7 -C 25 aralkyl, which is substituted by G;
R 27 and R 28 are each independently hydrogen, C 1 -C 25 alkyl, halogen, cyano or C 7 -C 25 aralkyl, or R 27 and R 28 together represent alkylene or alkenylene which may be both bonded via oxygen and/or sulfur to the thienyl residue and which may both have up to 25 carbon atoms;
R 59 is hydrogen, C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; or C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; or C 7 -C 25 arylalkyl;
D is —CO—, —COO—, —S—, —O—, or —NR 112 —;
E is C 1 -C 8 thioalkoxy, C 1 -C 8 alkoxy, CN, —NR 112 R 113 , —CONR 112 R 113 , or halogen;
G is E, or C 1 -C 18 alkyl;
R 112 and R 113 are each independently H; C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; C l -C 18 alkyl; or C 1 -C 18 alkyl which is interrupted by —O—;
R 214 and R 215 are each independently hydrogen, C 1 -C 18 alkyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, —CN or COOR 216 ;
R 216 is C 1 -C 25 alkyl, C 1 -C 25 haloalkyl, C 7 -C 25 arylalkyl, C 6 -C 24 aryl or C 2 -C 20 heteroaryl;
Ar 4 , Ar 5 , Ar 6 and Ar 7 have independently of each other the meaning of Ar 1 , or are independently of each other a group of formula XVa, XVb, XVc, XVd, XVe, XVf, XVg, XVh, XVI, or XVII:
wherein
a is 1, 2, or 3;
b is 0, 1, 2, or 3;
c is 0, 1, 2, or 3;
U 1 is O, S, or NR 1 ;
U 2 is O, S, or NR 2 ;
T 1 and T 2 are each independently hydrogen, halogen, hydroxyl, cyano, —COOR 103 , —OCOR 103 , —NR 112 COR 103 , —CONR 112 R 113 , —OR 103′ , —SR 103′ , —SOR 103′ , —SO 2 R 103′ , —NR 112 SO 2 R 103′ , —NR 112 R 113 , C 1 -C 25 alkyl, which may be substituted by E and/or interrupted by D, C 5 -C 12 cycloalkyl, which can be substituted one to three times with C 1 -C 8 alkyl and/or C 1 -C 8 alkoxy; C 7 -C 25 arylalkyl, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, or C 2 -C 20 heteroaryl which is substituted by G;
R 1 and R 2 may be the same or different and are each independently selected from hydrogen, a C 1 -C 100 alkyl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group; and/or can optionally be interrupted by —O—, —S—, —NR 39 —, CONR 39 —, NR 39 CO—, —COO—, —CO— or —OCO—,
a C 2 -C 100 alkenyl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group; and/or can optionally be interrupted by —O—, —S—, —NR 39 —, CONR 39 —, NR 39 CO—, —COO—, —CO— or —OCO—,
a C 3 -C 100 alkinyl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group; and/or can optionally be interrupted by —O—, —S—, —NR 39 —, CONR 39 —, NR 39 CO—, —COO—, —CO— or —OCO—,
a C 3 -C 12 cycloalkyl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group; and/or can optionally be interrupted by —O—, —S—, —NR 39 —, CONR 39 —, NR 39 CO—, —COO—, —CO— or —OCO—,
a C 6 -C 24 aryl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C, 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group,
a C 2 -C 20 heteroaryl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group,
a —CO—C 1 -C 18 alkyl group, a —CO—C 5 -C 12 cycloalkyl group, or —COO—C 1 -C 18 alkyl group;
R 39 is hydrogen, C 1 -C 18 alkyl, C 1 -C 18 haloalkyl, C 7 -C 25 arylalkyl, or C 1 -C 18 alkanoyl,
R 103 and R 103′ are each independently C 1 -C 100 alkyl, C 1 -C 25 alkyl substituted by E and/or interrupted with D, C 7 -C 25 arylalkyl, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, or C 2 -C 20 heteroaryl which is substituted by G, Ar l is
wherein
X is —O—, —S—, —NR 8 —, —Si(R 11 )(R 11′ )—, —Ge(R 11 )(R 11′ )—, —C(R 7 )(R 7′ )—, —C(═O)—, —C(═CR 104 R 104′ )—,
Ar 2 Ar 3 have independently of each other the meaning of Ar 1 , or are independently of each other
wherein
X 1 is S, O, NR 107 —, —Si(R 117 )(R 117′ )—, —Ge(R 117 )(R 117′ )—, —C(R 106 )(R 109 )—, —C(═O)—, —C(═CR 104 R 104′ )—,
R 3 and R 3′ are each independently hydrogen, halogen, halogenated C 1 -C 25 alkyl, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; C 7 -C 25 arylalkyl, or C 1 -C 25 alkoxy;
R 104 and R 104′ are each independently hydrogen, cyano, COOR 103 , a C 1 -C 25 alkyl group, or C 6 -C 24 aryl or C 2 -C 20 heteroaryl;
R 4 , R 4′ , R 5 , R 5′ , R 6 , and R 6′ are each independently hydrogen, halogen, halogenated C 1 -C 25 alkyl, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen, or sulphur atom; C 7 -C 25 arylalkyl, or C 1 -C 25 alkoxy;
R 7 , R 7′ , R 9 and R 9′ are each independently hydrogen, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen, or sulphur atom; or C 7 -C 25 arylalkyl;
R 8 and R 8′ are each independently hydrogen, C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; or C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; or C 7 -C 25 arylalkyl;
R 11 and R 11′ are each independently C 1 -C 25 alkyl group, which can be substituted with C 1 -C 8 alkyl and/or C 1 -C 8 alkoxy;
R 12 and R 12′ are each independently hydrogen, halogen, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen, or sulphur atom, C 1 -C 25 alkoxy, C 7 -C 25 arylalkyl, or R 13 , wherein R 13 is a C 1 -C 10 alkyl group, or a tri(C 1 -C 8 alkyl)silyl group;
R 104 and R 104′ are each independently hydrogen, C 1 -C 18 alkyl, C 6 -C 10 aryl, which may optionally be substituted by G, or C 2 -C 8 heteroaryl, which may optionally be substituted by G;
R 105 , R 105′ , R 106 and R 106′ are each independently hydrogen, halogen, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; C 7 -C 25 arylalkyl, or C 1 -C 18 alkoxy;
R 107 is hydrogen, C 7 -C 25 arylalkyl, C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; C 1 -C 18 perfluoroalkyl; C 1 -C 25 alkyl, which may be interrupted by —O—, or —S—; or —COOR 103 ;
R 108 and R 109 are each independently H, C 1 -C 25 alkyl, C 1 -C 25 alkyl, which is substituted by E and/or interrupted by D, C 7 -C 25 arylalkyl, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, C 2 -C 20 heteroaryl which is substituted by G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, or C 7 -C 25 aralkyl, or
R 108 and R 109 together form a group of formula ═CR 110 R 111 , wherein
R 110 and R 111 are each independently H, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, or C 2 -C 20 heteroaryl, or C 2 -C 20 heteroaryl which is substituted by G, or
R 108 and R 109 together form a five or six membered ring, which optionally can be substituted by C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 6 C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, C 2 -C 20 heteroaryl which is substituted by G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, or C 7 -C 25 aralkyl,
R 112 and R 113 are each independently H; C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; C 1 -C 18 alkyl; or C 1 -C 18 alkyl which is interrupted by —O—,
R 114 is C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen, or sulphur atom,
R 115 and R 115′ are each independently hydrogen, halogen, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen, or sulphur atom, C 1 -C 25 alkoxy, C 7 -C 25 arylalkyl, or R 116 , wherein R 116 is a C 1 -C 10 alkyl group, or a tri(C 1 -C 8 alkyl)silyl group;
R 117 and R 117′ are each independently C 1 -C, 25 alkyl group, which can be substituted one to three times with C 1 -C 8 alkyl and/or C 1 -C 8 alkoxy;
R 118 , R 119 , R 120 and R 121 are each independently hydrogen, halogen, halogenated C 1 -C 25 alkyl, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; C 7 -C 25 arylalkyl, or C 1 -C 25 alkoxy; and
R 122 and R 122′ are each independently hydrogen, C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; or C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; or C 7 -C 25 arylalkyl.
13. The compound according to claim 12 , which is a compound of formula
wherein
A 1 , A 2 , A 3 , A 4 , A 5 , T 1 , T 2 , U 1 and U 2 are as defined in claim 12 ,
T 1′ , T 2′ , T 1″ , T 2″ , T 1* and T 2* each independently have the meaning of T 1 , and
U 1′ , U 2′ , U 1″ , U 2″ , U 1* and U 2* each independently have the meaning of U 1 .
14. A process for preparation of an organic semiconductor device, the process comprising: applying a solution, a dispersion, or both of a compound according to claim 12 in an organic solvent to a suitable substrates; and removing the solvent; or the process comprising evaporation of the compound according to claim 12 .
15. A polymer comprising the compound according to claim 12 , which is a repeating unit of formula
wherein
A 1′ and A 2′ are independently of each other a group of formula
wherein a, b, c, p, q, Ar 1 , Ar 2 , Ar 3 , Y, Y 15 , Y 16 , Y 17 , A 3 , A 4 and A 5 are as defined in claim 12 .
16. A process for the preparation of a compound according to claim 12 , which is a compound of formula
comprising
a) reacting one to three equivalents of a ketoamide of formula
with one equivalent of a 1,4-cyclohexanedione of the formula
in the presence of a base in a solvent, whereby an intermediate product of the formula
is obtained, and
b) treating the intermediate product of the formula (IX) with an acid to obtain a compound of formula (IIIa'), wherein R 1 , T 1 , T 2 , and A 1 are as defined in claim 12 .
17. A process for the preparation of a compound according to claim 12 , which is a compound of formula
comprising
a) reacting one to three equivalents of a ketoamide of formula
with one equivalent of a 1,2-cyclohexanedione of the formula
in the presence of a base in a solvent, whereby an intermediate product of the formula
is obtained, and
b) treating the intermediate product of the formula (VIII) with an acid to obtain a compound of formula (IIIe), wherein R 1 , T 1 , T 2 , and A 1 A are as defined in claim 12 .
18. A 1,4-cyclohexanedione of formula
which is suitable for preparation of a compound according to claim 12 , which is a compound of formula
wherein R 1 , T 1 , T 2 , and A 1 are as defined in claim 12 .
19. A 1,2-cyclohexanedione of formula
which is suitable for preparation of a compound according to claim 12 , which is a compound of formula
wherein R 1 , T 1 , T 2 , and A 1 are as defined in claim 12 .
20. A compound of formula X 2 Ar 3 c Ar 2 b Ar 1 a Y Ar 1′ a′ Ar 2′ b′ Ar 3′ c′ X 2′ (V), wherein Y is a group of formula
a is 1, 2, or 3, a′ is 1, 2, or 3; b is 0, 1, 2, or 3; b′ is 0, 1, 2, or 3; c is 0, 1, 2, or 3; c′ is 0, 1, 2, or 3;
U 1 is O, S, or NR 1 ;
U 2 is O, S, or NR 2 ;
T 1 and T 2 are each independently hydrogen, halogen, hydroxyl, cyano, —COOR 103 , —OCOR 103 , —NR 112 COR 103 , —CONR 112 R 113 , —OR 103′ , —SR 103′ , —SOR 103′ , —SO 2 R 103′ , —NR 112 SO 2 R 103′ , —NR 112 R 113 , C 1 -C 25 alkyl, which may be substituted by E and/or interrupted by D, C 5 -C 12 cycloalkyl, which can be substituted one to three times with C 1 -C 8 alkyl and/or C 1 -C 8 alkoxy; C 7 -C 25 arylalkyl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, or C 2 -C 20 heteroaryl which is substituted by G;
R 1 and R 2 may be the same or different and are each independently selected from hydrogen, a C 1 -C 100 alkyl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 C 20 heteroaryl, a silyl group, or a siloxanyl group; and/or can optionally be interrupted by —O—, —S—, —NR 39 —, CONR 39 —, NR 39 CO—, —COO—, —CO— or —OCO—,
a C 2 -C 100 alkenyl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group; and/or can optionally be interrupted by —O—, —S—, —NR 39 —, CONR 39 —, NR 39 CO—, —COO—, —CO— or —OCO—,
a C 3 -C 100 alkinyl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group; and/or can optionally be interrupted by —O—, —S—, —NR 39 —, CONR 39 —, NR 39 CO—, —COO—, —CO— or —OCO—,
a C 3 -C 12 cycloalkyl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group; and/or can optionally be interrupted by —O—, —S—, —NR 39 —, CONR 39 —, NR 39 CO—, —COO—, —CO— or —OCO—,
a C 6 -C 24 aryl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group,
a C 2 -C 20 heteroaryl group which can optionally be substituted with C 1 -C 12 alkyl, C 1 -C 12 alkoxy, halogen, C 5 -C 12 cycloalkyl, nitro, cyano, vinyl, allyl, C 6 -C 24 aryl, C 2 -C 20 heteroaryl, a silyl group, or a siloxanyl group;
a —CO—C 1 -C 18 alkyl group, a —CO—C 5 -C 12 cycloalkyl group, or —COO—C 1 -C 18 alkyl group;
R 39 is hydrogen, C 1 -C 18 alkyl, C 1 -C 18 haloalkyl, C 7 -C 25 arylalkyl, or C 1 -C 18 alkanoyl;
R 103 and R 103′ are each independently C 1 -C 100 alkyl, C 1 -C 25 alkyl substituted by E and/or interrupted with D, C 7 -C 25 arylalkyl, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, or C 2 -C 20 heteroaryl which is substituted by G;
Ar 1 and Ar 1′ are each independently
wherein
X is —O—, —S—, —NR 8 —, —Si(R 11 )(R 11′ )—, —Ge(R 11 )(R 11′ )—, —C(R 7 )(R 7′ )—, —C(═O)—, —C(═CR 104 R 104′ )—,
Ar 2 , Ar 2′ , Ar 3 and Ar 3′ have independently of each other the meaning of Ar 1 , or are independently of each other
wherein
X 1 is S, O, NR 107 —, —Si(R 117 )(R 117′ )—, —Ge(R 117 ) (R 117′ )—, —C(R 106 )(R 109 )—, —C(═O)—, —C(═CR 104 R 104′ )—,
R 3 and R 3′ are each independently hydrogen, halogen, halogenated C 1 -C 25 alkyl, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; C 7 -C 25 arylalkyl, or C 1 -C 25 alkoxy;
R 104 and R 104′ are each independently hydrogen, cyano, COOR 103 , a C 1 -C 25 alkyl group, or C 6 -C 24 aryl or C 2 -C 20 heteroaryl;
R 4 , R 4′ , R 5 , R 5′ , R 6 , and R 6′ are each independently hydrogen, halogen, halogenated C 1 -C 25 alkyl, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; C 7 -C 25 arylalkyl, or C 1 -C 25 alkoxy;
R 7 , R 7′ , R 9 and R 9′ are each independently hydrogen, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen, or sulphur atom; or C 7 -C 25 arylalkyl;
R 8 and R 8′ are each independently hydrogen, C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; or C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; or C 7 -C 25 arylalkyl;
R 11 and R 11′ are each independently C 1 -C 25 alkyl group, which can be substituted with C 1 -C 8 alkyl and/or C 1 -C 8 alkoxy;
R 12 and R 12′ are each independently hydrogen, halogen, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen, or sulphur atom, C 1 -C 25 alkoxy, C 7 -C 25 arylalkyl, or R 13 , wherein R 13 is a C 1 -C 10 alkyl group, or a tri(C 1 -C 8 alkyl)silyl group;
R 104 and R 104′ are each independently hydrogen, C 1 -C 18 alkyl, C 6 -C 10 aryl, which may optionally be substituted by G, or C 2 -C 8 heteroaryl, which may optionally be substituted by G;
R 105 , R 105′ , R 106 and R 106′ are each independently hydrogen, halogen, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; C 7 -C 25 arylalkyl, or C 1 -C 18 alkoxy;
R 107 is hydrogen, C 7 -C 25 arylalkyl, C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; C 1 -C 18 perfluoroalkyl; C 1 -C 25 alkyl, which may be interrupted by —O—, or —S—; or —COOR 103;
R 108 and R 109 are each independently H, C 1 -C 25 alkyl, C 1 -C 25 alkyl which is substituted by E and/or interrupted by D, C 7 -C 25 arylalkyl, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, C 2 -C 20 heteroaryl which is substituted by G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, or C 7 -C 25 aralkyl, or
R 108 and R 109 together form a group of formula ═CR 110 R 111 , wherein
R 110 and R 111 are each independently H, C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, or C 2 -C 20 heteroaryl, or C 2 -C 20 heteroaryl which is substituted by G, or
R 108 and R 109 together form a five or six membered ring, which optionally can be substituted by C 1 -C 18 alkyl, C 1 -C 18 alkyl which is substituted by E and/or interrupted by D, C 6 -C 24 aryl, C 6 -C 24 aryl which is substituted by G, C 2 -C 20 heteroaryl, C 2 -C 20 heteroaryl which is substituted by G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 1 -C 18 alkoxy, C 1 -C 18 alkoxy which is substituted by E and/or interrupted by D, or C 7 -C 18 aralkyl;
D is —CO—, —COO—, —S—, —O—, or —NR 112 —;
E is C 1 -C 8 thioalkoxy, C 1 -C 8 alkoxy, CN, —NR 112 R 113 , —CONR 112 R 113 , or halogen;
G is E, or C 1 -C 18 alkyl;
R 112 and R 113 are each independently H; C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; C 1 -C 18 alkyl; or C 1 -C 18 alkyl which is interrupted by —O—,
R 114 is C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen, or sulphur atom;
R 115 and R 115′ are each independently hydrogen, halogen, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen, or sulphur atom, C 1 -C 25 alkoxy, C 7 -C 25 arylalkyl, or R 116 , wherein R 116 is a C 1 -C 10 alkyl group, or a tri(C 1 -C 8 alkyl)silyl group;
R 117 and R 117′ are each independently C 1 -C 25 alkyl group, which can be substituted one to three times with C 1 -C 8 alkyl and/or C 1 -C 8 alkoxy;
R 118 , R 119 , R 120 and R 121 are each independently hydrogen, halogen, halogenated C 1 -C 25 alkyl, cyano, C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; C 7 -C 25 arylalkyl, or C 1 -C 25 alkoxy;
R 122 and R 122′ are each independently hydrogen, C 6 -C 18 aryl; C 6 -C 18 aryl which is substituted by C 1 -C 18 alkyl, or C 1 -C 18 alkoxy; or C 1 -C 25 alkyl, which may optionally be interrupted by an oxygen or sulphur atom; or C 7 -C 25 arylalky; and
X 2 and X 2′ are each independently halogen, ZnX 12 , —SnR 207 R 208 R 209 , wherein R 207 , R 208 and R 209 are identical or different and are each independently H or C 1 -C 6 alkyl, wherein two radicals optionally form a common ring and these radicals are optionally branched or unbranched and X 12 is a halogen atom; or —OS(O) 2 CF 3 , —OS(O) 2 -aryl, —OS(O) 2 CH 3 , —B(OH) 2 , —B(OY 1 ) 2 ,
—BF 4 Na, or —BF 4 K, wherein Y 1 is independently in each occurrence a C 1 -C 10 alkyl group and Y 2 is independently in each occurrence a C 2 -C 10 alkylene group and Y 13 and Y 14 are each independently hydrogen, or a C 1 -C 10 alkyl group.