Global Patent Index - EP 1235795 A1

EP 1235795 A1 2002-09-04 - PROCESS FOR THE PREPARATION OF SULFAMIDES

Title (en)

PROCESS FOR THE PREPARATION OF SULFAMIDES

Title (de)

VERFAHREN ZUR HERSTELLUNG VON SULFAMIDEN

Title (fr)

PROCEDE DE PREPARATION DE SULFAMIDES

Publication

EP 1235795 A1 (EN)

Application

EP 00976591 A

Priority

  • GB 9927302 A
  • US 0028877 W

Abstract (en)

[origin: WO0136383A1] A process for the production of an aryl sulfamide having formula (I), in which R<1>, R<2> and R<3> are each hydrogen, alkyl, cycloalkyl or aryl, provided that at least one of R<1>, R<2> and R3 is aryl,which comprises reacting a compound of formula (II) where R<4>, R<5>, R<6>, R<7>, R<8> and R<9> are each hydrogen, alkyl or aryl, and n is 0 or 1, with an amine of the formula R<2>R<3>NH (III), in the presence of a strong base.

IPC 1-7 (main, further and additional classification)

C07C 303/34; C07C 307/10; C07D 263/26

IPC 8 full level (invention and additional information)

C07D 263/26 (2006.01); C07B 61/00 (2006.01); C07C 303/34 (2006.01); C07C 307/10 (2006.01); C07C 315/04 (2006.01); C07C 317/34 (2006.01); C07C 319/20 (2006.01); C07C 323/49 (2006.01); C07D 263/38 (2006.01)

CPC (invention and additional information)

C07C 303/34 (2013.01); C07C 315/04 (2013.01); C07D 263/38 (2013.01)

Combination set (CPC)

  1. C07C 303/34 + C07C 307/10
  2. C07C 315/04 + C07C 317/34

Citation (search report)

See references of WO 0136383A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

WO 0136383 A1 20010525; AU 1434301 A 20010530; CA 2391978 A1 20010525; EP 1235795 A1 20020904; GB 2356398 A 20010523; GB 9927302 D0 20000112; JP 2003514797 A 20030422

INPADOC legal status


2004-04-14 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20031010

2003-07-16 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20030530

2002-09-04 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020618

2002-09-04 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2002-09-04 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI