2,1,3-benzothiadiazoles for use as electronic active components
View Patent ↗The present invention describes novel 2,1,3-benzothiadiazole-containing compounds. Such compounds can be used as active components (=functional materials) in a variety of different applications which can in the widest sense be considered part of the electronics industry.
1. A compound which belong to the idealized point group S n , C n , C nv , C nh , D n , D nh or D nd with n=2, 3, 4, 5 or 6, the molar masses are in the range from 450 g/mol to 5000 g/mol and the melting points are above a temperature of 190° C., having the Formula (II) or (III),
where the symbols and indices have the following meanings:
the radicals R are identical on each occurrence and are each H, F, CN, a straight-chain or branched or cyclic alkyl or alkoxy group having from 1 to 20 carbon atoms, where one or more nonadjacent CH 2 groups may be replaced by —O—, —S—, —NR 1 or —CONR 2 — and one or more H atoms may be replaced by F;
the radicals Ar are identical or different on each occurrence and are each an aryl or heteroaryl group which has from 3 to 30 carbon atoms and may be substituted by one or more nonaromatic radicals R; where a plurality of substituents R, both on the same ring and on the two different rings, may in turn together form a further monocyclic or polycyclic ring system;
R 1 , and R 2 are identical or different and are each H or an aliphatic or aromatic hydrocarbon radical having from 1 to 20 carbon atoms;
n2 is from 3 to 10,
n1 is from 1 to 10, and
with the proviso that they do not contain a macrocycle.
2. A compound which belong to the idealized point group S n , C n , C nv , D n , D nh or D nd with n=2, 3, 4, 5 or 6, the molar masses are in the range from 450 g/mol to 5000 g/mol and the melting points are above a temperature of 190° C., described by the formula (IV)
where the symbols and indices have the following meanings:
the radicals R are identical on each occurrence and are each H, F, CN, a straight-chain or branched or cyclic alkyl or alkoxy group having from 1 to 20 carbon atoms, where one or more nonadjacent CH 2 groups may be replaced by —O—, —S—, —NR 1 or —CONR 2 — and one or more H atoms may be replaced by F;
the radicals Ar 1 are identical or different on each occurrence and are each an aryl or heteroaryl group which are benzene, toluene, xylene, fluorobenzene, difluorobenzene, biphenyl, 1,2- or 1,3- or 1,4-terphenyl, tetraphenyl, naphthyl, fluorene, 9,9′-spirobifluorene, phenanthrene, anthracene, 1,3,5-triphenylbenzene, pyrene, perylene, chrysene, triptycene, [2.2]paracyclophane, pyridine, pyridazine, 4,5-benzopyridazine, pyrimidine, pyrazine, 1,3,5-triazine, pyrrole, indole, 1,2,5- or 1,3,4-oxadiazole, 2,2′- or 4,4′-bipyridyl, quinoline, carbazole, 5,10H-dihydrophenazine, 10H-phenoxazine, phenothiazine, xanthene, 9-acridine, furan, benzofuran, or benzothiophene which may be substituted by one or more nonaromatic radicals R; where a plurality of substituents R, both on the same ring and on the two different rings, may in turn together form a further monocyclic or polycyclic ring system;
R 1 , and R 2 are identical or different and are each H or an aliphatic or aromatic hydrocarbon radical having from 1 to 20 carbon atoms;
m is from 0 to 4;
n1 is from 1 to 10.
3. A compound which belong to the idealized point group S n , C n , C nv , D n , D nh or D nd with n=2, 3, 4, 5 or 6, the molar masses are in the range from 450 g/mol to 5000 g/mol and the melting points are above a temperature of 190° C., described by the formula (V), (VI), (VII), (VIII), (IX) (X) or (XI)
where the symbols and indices have the following meanings:
the radicals R are identical on each occurrence and are each H, F, CN, a straight-chain or branched or cyclic alkyl or alkoxy group having from 1 to 20 carbon atoms, where one or more nonadjacent CH 2 groups may be replaced by —O—, —S—, —NR 1 or —CONR 2 — and one or more H atoms may be replaced by F;
the radicals Ar are identical or different on each occurrence and are each an aryl or heteroaryl group which has from 3 to 30 carbon atoms and may be substituted by one or more nonaromatic radicals R; where a plurality of substituents R, both on the same ring and on the two different rings, may in turn together form a further monocyclic or polycyclic ring system;
the radicals Ar 3 are identical or different on each occurrence and are each an aryl or heteroaryl group which are toluene, xylene, fluorobenzene, difluorobenzene, biphenyl, 1,2- or 1,3- or 1,4-terphenyl, tetraphenyl, naphthyl, fluorene, 9,9′-spirobifluorene, phenanthrene, anthracene, 1,3,5-triphenylbenzene, pyrene, perylene, chrysene, triptycene, [2.2]paracyclophane, pyridine, pyridazine, 4,5-benzopyridazine, pyrimidine, pyrazine, 1,3,5-triazine, pyrrole, indole, 1,2,5- or 1,3,4-oxadiazole, 2,2′- or 4,4′-bipyridyl, quinoline, carbazole, 5,10H-dihydrophenazine, 10H-phenoxazine, phenothiazine, xanthene, 9-acridine, furan, benzofuran, thiophene or benzothiophene which may be substituted by one or more nonaromatic radicals R; where a plurality of substituents R, both on the same ring and on the two different rings, may in turn together form a further monocyclic or polycyclic ring system;
the radicals Ar 2 are identical or different on each occurrence and are each an aryl or heteroaryl group which has from 3 to 30 carbon atoms and may be substituted by one or more nonaromatic radicals R 3 ; where a plurality of substituents R 3 , both on the same ring and on the two different rings, may in turn together form a further monocyclic or polycyclic ring system;
R 1 , and R 2 are identical or different and are each H or an aliphatic or aromatic hydrocarbon radical having from 1 to 20 carbon atoms;
the radicals X are identical or different on each occurrence and are each C(Ar), CR or N;
the radicals R 3 are identical on each occurrence and are each H, F, CN, a straight-chain or branched or cyclic alkyl having from 1 to 20 carbon atoms, where one or more nonadjacent CH 2 groups may be replaced by —O—, —S—, —NR 1 or —CONR 2 — and one or more H atoms may be replaced by F;
n1 is from 1 to 10;
o is from 1 to 3; and
p is from 1 to 3.
4. The compound as claimed in claim 3 , which is described by the formula (VII) or (VIII).
5. The compound as claimed in claim 3 , where the compound is described by the formula (IX), (X), or (XI),
and the molar masses are in the range from 450 g/mol to 5000 g/mol and the melting points are above a temperature of 190° C., with the proviso that they do not contain a macrocycle.
6. The compound as claimed in claim 1 , characterized in that the radical Ar is benzene, toluene, xylene, fluorobenzene, difluorobenzene, biphenyl, 1,2- or 1,3- or 1,4-terphenyl, tetraphenyl, naphthyl, fluorene, 9,9′-spirobifluorene, phenanthrene, anthracene, 1,3,5-triphenylbenzene, pyrene, perylene, chrysene, triptycene, [2.2]paracyclophane, pyridine, pyridazine, 4,5-benzopyridazine, pyrimidine, pyrazine, 1,3,5-triazine, pyrrole, indole, 1,2,5- or 1,3,4-oxadiazole, 2,2′- or 4,4′-bipyridyl, quinoline, carbazole, 5,10H-dihydrophenazine, 10H-phenoxazine, phenothiazine, xanthene, 9-acridine, furan, benzofuran, thiophene or benzothiophene.
7. An electronic component comprising at least one compound as claimed in claim 1 .
8. An electronic component comprising at least one compound as claimed in claim 2 .
9. An electronic component comprising at least one compound as claimed in claim 3 .
10. The compound as claimed in claim 1 , wherein n1 is from 1 to 6.
11. The compound as claimed in claim 1 , wherein n1 is from 1,2 or 3.
12. The compound as claimed in claim 2 , wherein m is from 1 or 2 and n1 is from 1, 2, or3.
13. The compound as claimed in claim 3 , wherein the compound is of the formula (V) or (VI) and n1 is from 1, 2 or 3; o is 1; and p is 1.
14. The compound as claimed in claim 5 , wherein m is from 1 or 2; n1 is from 1, 2 or 3.
15. The compound as claimed in claim 14 , characterized in that the radical Ar is benzene, toluene, xylene, fluorobenzene, difluorobenzene, biphenyl, 1,2- or 1,3- or 1,4-terphenyl, tetraphenyl, naphthyl, fluorene, 9,9′-spirobifluorene, phenanthrene, anthracene, 1,3,5-triphenylbenzene, pyrene, perylene, chrysene, triptycene, [2.2]paracyclophane, pyridine, pyridazine, 4,5-benzopyridazine, pyrimidine, pyrazine, 1,3,5-triazine, pyrrole, indole, 1,2,5- or 1,3,4-oxadiazole, 2,2′- or 4,4′-bipyridyl, quinoline, carbazole, 5,10H-dihydrophenazine, 10H-phenoxazine, phenothiazine, xanthene, 9-acridine, furan, benzofuran, thiophene or benzothiophene.
16. An organic electroluminescence and/or electrophosphorescence devices which comprises the compound as claimed in claim 1 .
17. An emission layer (EML), a host material in electroluminescence and/or electrophosphorescence devices, as electron transport layers (ETLs) and/or hole-blocking layers (HBLs) which comprises the compound as claimed in claim 1 .
18. An electron transport material in electrophotography, electron acceptor material or electron transport material in photovoltaic devices which comprises the compound as claimed in claim 1 .
19. An organic photodetector, organic solar cells, a transport material in organic ICs (organic integrated circuits), a transport material and/or dopant in organic field effect transistors (OTFTs), a transport material and/or dopant in organic thin-film transistors or an organic solid-state lasers which comprises the compound as claimed in claim 1 .
20. An electronic component comprising at least one compound as claimed in claim 2 .
21. An electronic component comprising at least one compound as claimed in claim 3 .