IP Library Granted Patent US 9,771,367
Granted Patent B2
US 9,771,367 · App. 15/310,295 · Granted Sep 26, 2017

Method for preparation of alkylated or fluoro, chloro and fluorochloro alkylated compounds by heterogeneous catalysis

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Quick Facts
Patent No.
US 9,771,367
App. No.
15/310,295
Granted
Sep 26, 2017
Kind
B2
Abstract

The invention discloses a method for preparation of alkylated or fluoro, chloro and fluorochloro alkylated compounds by a heterogeneous Pt/C-catalyzed alkylation or fluoro, chloro and fluorochloro alkylation with alkyl halides or with fluoro, chloro and fluorochloro alkyl halides in the presence of Cs 2 CO 3 or CsHCO 3 .

Claims (73)

1. A method for the preparation of a fluoro, chloro or fluorochloro alkylated compound by a reaction of a compound COMPSUBST with a compound FCLALKYLHALIDE with heterogeneous catalysis using a catalyst CAT in the presence of a compound CAESCARB; wherein

FCLALKYLHALIDE is a compound of formula (III);

R3-X  (III)

X is Cl, Br or I;

R3 is C 1-20 alkyl or a C 1-20 alkyl wherein in the alkyl chain at least one hydrogen is substituted by F or Cl;

CAESCARB is Cs 2 CO 3 , CsHCO 3 or a mixture thereof;

CAT is Pt/C;

COMPSUBST is selected from the group consisting of a compound COMPSUBST-I, ethene, propene, ethine, and polystyrene;

COMPSUBST-I is a ring RINGA;

RINGA is a 5 or 6 membered carbocyclic or heterocyclic aromatic ring,

when RINGA is a heterocyclic ring, then RINGA has 1, 2 or 3 identical or different endocyclic heteroatoms independently from each other selected from the group consisting of N, O and S,

when RINGA is a 5 membered ring, then RINGA is unsubstituted or substituted by 1, 2, 3 or 4 identical or different substituents,

when RINGA is a 6 membered ring then RINGA is unsubstituted or substituted by 1, 2, 3, 4 or 5 identical or different substituents,

any of said substituents of RINGA is independently from any other of said substituent of RINGA selected from the group consisting of C 1-10 alkyl, C 3-8 cycloalkyl, C 1-4 alkoxy, OH, N(R10)R11, CN, NH—OH, NO, NO 2 , F, Cl, Br, I, CF 3 , (CH 2 ) m —C(O)Y1, S(O) 2 R50, CH═C(H)R28,

 benzyl, phenyl and naphthyl;

RINGA can be condensed with a ring RINGB, RINGB is a 5 or 6 membered carboryclic or heterocyclic ring,

when RINGB is a heterocyclic ring, is contains 1, 2 or 3 identical or different endocyclic heteroatoms independently from each other selected from the group consisting of N, O and S;

RINGB is unsubstituted or substituted with 1, 2 or 3 in case of RINGB being a 5 membered ring, with 1, 2, 3 or 4 in case of RINGB being a 6 membered ring, identical or different substituents independently from each other selected from the group consisting of C 1-10 alkyl, C 3-8 cycloalkyl, C 1-4 alkoxy, OH, N(R17)R18, CN, NH—OH, NO, NO 2 , F, Cl, Br, I, CF 3 , (CH 2 ) n —C(O)Y2, S(O) 2 R51, CH═C(H)R38,

 benzyl, phenyl and naphthyl;

any of said C 1-10 alkyl substitutent of RINGA or RINGB is unsubstituted or substituted with 1, 2, 3, 4 or 5 identical or different substituents selected from the group consisting of halogen, OH, O—C(O)—C 1-5 alkyl, O—C 1-10 alkyl, S—C 1-10 alkyl, S(O)—C 1-10 alkyl, S(O 2 )—C 1-10 alkyl, O—C 1-6 alkylen-O—C 1-6 alkyl, C 3-8 cycloalkyl and 1,2,4-triazolyl;

any of said benzyl, phenyl and naphthyl substitutent of RINGA or RINGB is independently from each other unsubstituted or substituted with 1, 2, 3, 4 or 5 identical or different substituents selected from the group consisting of halogen, C 1-4 alkoxy, NO 2 and CN;

m, n and q are identical or different and independently from each other 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10;

Y1, Y2 and R13 are identical or different and independently from each other selected from the group consisting of H, OH, C(R14)(R15)R16, C 2-6 alkyl, O—C 1-6 alkyl, phenyl, benzyl, O-phenyl, O—C 1-6 alkylen-O—C 1-6 alkyl and N(R19)R20;

R14, R15 and R16 are identical or different and independently from each other selected from the group consisting of H, F, Cl and Br;

R10, R11, R17, R18, R19 and R20 are identical or different and are independently from each other H or C 1-6 alkyl, or R10 and R11, R17 and R18 or R19 and R20 represent together a tetramethylene or a pentamethylene chain;

R50 and R51 are identical or different and independently from each other selected from the group consisting of OH, C 1-6 alkyl and C 1-6 alkoxy;

R24, R34, R28 and R38 are identical or different and independently from each other selected from the group consisting of H, C 1-10 alkyl, C(R25)(R26)—O—R27;

R25, R26 and R27 are identical or different and independently from each other selected from the group consisting of H and C 1-10 alkyl.

2. The method according to claim 1 , wherein

COMPSUBST is selected from the group consisting of compound COMPSUBST-I and polystyrene;

wherein COMPSUBST-I is selected from the group consisting of

wherein COMPSUBST-I is unsubstituted or substituted

by 1, 2, 3 or 4 in case of COMPSUBST-I being a monocyclic compound with 5 endocyclic atoms,

by 1, 2, 3, 4 or 5 in case of COMPSUBST-I being a monocyclic compound with 6 endocyclic atoms,

by 1, 2, 3, 4, 5 or 6 in case of COMPSUBST-I being a bicyclic compound wherein a 5-membered and a 6-membered ring are ortho-fused,

by 1, 2, 3, 4, 5, 6 or 7 in case of COMPSUBST-I being a bicyclic compound wherein two 6-membered rings are ortho-fused,

identical or different substituents independently from each other selected from the group consisting of C 1-10 alkyl, C 3-8 cycloalkyl, C 1-4 alkoxy, OH, C(H)═O, N(R10)R11, CN, NH—OH, NO, NO 2 , F, Cl, Br, I, CF 3 , (CH 2 ) m —C(O)Y1, S(O) 2 R50, CH═C(H)R28,

 benzyl, phenyl and naphthyl,

said C 1-10 alkyl substitutent of COMPSUBST-I is unsubstituted or substituted with 1, 2, 3, 4 or 5 identical or different substituents selected from the group consisting of halogen, OH, O—C(O)—C 1-5 alkyl, O—C 1-10 alkyl, S—C 1-10 alkyl, S(O)—C 1-10 alkyl, S(O 2 )—C 1-10 alkyl, O—C 1-6 alkylen-O—C 1-6 alkyl, C 3-8 cycloalkyl and 1,2,4-triazolyl;

said benzyl, phenyl and naphthyl substitutent of COMPSUBST-I is independently from each other unsubstituted or substituted with 1, 2, 3, 4 or 5 identical or different substituents selected from the group consisting of halogen, C 1-4 alkoxy, NO 2 and CN.

3. The method according to claim 1 , wherein

m, n and q are identical or different and independently from each other 0, 1, 2, 3 or 4.

4. The method according to claim 1 , wherein

COMPSUBST is selected from the group consisting of benzene, pyrazole,

 and

polystyreneR44 is selected from the group consisting of C.

5. The method according to claim 1 , wherein

X is Br or I.

6. The method according to claim 1 , wherein

X is I.

7. The method according to claim 1 , wherein

compound FCLALKYLHADLIDE is a perfluoroalkyl halide, F 2 HC—Cl or F 2 HC—Br.

8. The method according to claim 1 , wherein

X is Cl, Br or I, and

R3 is perfluoro C 1-20 alkyl; or

FCLALKYLHADLIDE is F 2 HC—Cl or F 2 HC—Br.

9. The method according to claim 1 , wherein

FCLALKYLHALIDE is selected from the group consisting of F 21 C 10 —I, F 17 C 8 —I, F 13 C 6 —I, F 9 C 4 —I, F 3 C—I, F 3 C—Br, F 3 C—Cl, F 2 HC—Cl and F 2 HC—Br.

10. The method according to claim 1 , wherein

the reaction is done in the presence of a compound COMPSALT;

wherein COMPSALT is selected from the group consisting of Nal, Kl, Csl and N(R30)(R31)(R32)R33l; and

R30, R31, R32 and R33 are identical or different and independently from each other selected from the group consisting of H and C 1-10 alkyl.

11. The method according to claim 10 , wherein

R30, R31, R32 and R33 are identical or different and independently from each other selected from the group consisting of H and C 2-6 alkyl.

12. The method according to claim 10 , wherein

COMPSALT is selected from the group consisting of Nal and (n-Bu) 4 Nl.

13. The method according to claim 1 , wherein

the amount of Pt in CAT is from 0.1 to 20%, the % are % by weight and are based on the combined weight of Pt and C in CAT.

14. The method according to claim 1 , wherein

from 0.001 to 20% of Pt are used in the reaction, the % are % by weight % and are based on the weight of FCLALKYLHALIDE.

15. The method according to claim 1 , wherein

from 1 to 20 mol equivalents of COMPSUBST are used in the reaction, the mol equivalents are based on the molar amount of FCLALKYLHALIDE.

16. The method according to claim 1 , wherein from 0.1 to 10 mol equivalents of CAESCARB are used in the reaction, the mol equivalents are based on the molar amount of FCLALKYLHALIDE.

Assignments (3)
CHANGE OF NAME Recorded Dec 4, 2021
From: LONZA SOLUTIONS AG
To: ARXADA AG
Reel/Frame 058414/0403 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 11, 2020
From: LONZA LTD (ALSO KNOWN AS LONZA AG)
To: LONZA SOLUTIONS AG
Reel/Frame 053453/0437 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 14, 2017
From: TAESCHLER, CHRISTOPH; BELLER, MATTHIAS; NEUMANN, HELFRIED; HE, LIN; NATTE, KISHORE; ELLINGER, STEFAN; ZARAGOZA DOERWALD, FLORENCIO
To: LONZA LTD
Reel/Frame 043006/0452 →