EP 0643722 A4 19950517 - N-T-BUTYL-ANDROST-3,5-DIENE-17-g(b)-CARBOXAMIDE-3-CARBOXYLIC ACID POLYMORPH B.

Title (en)

N-T-BUTYL-ANDROST-3,5-DIENE-17-g(b)-CARBOXAMIDE-3-CARBOXYLIC ACID POLYMORPH B.

Title (de)

N-T-BUTYL-ANDROSTA-3,5-DIEN-17-g(b)-CARBOXAMID-3-CARBONSÄURE POLYMORPH B.

Title (fr)

POLYMORPHE B DE L'ACIDE N-T-BUTYLE-ANDROST-3,5-DIENE-17-g(b)-CARBOXAMIDE-3-CARBOXYLIQUE.

Publication

EP 0643722 A4 19950517 (EN)

Application

EP 93908611 A 19930324

Priority

GB 9206414 A 19920324
US 9302862 W 19930324

Abstract (en)

[origin: WO9319080A1] Polymorph "B" is a novel polymorphic form of N-t-butyl-androst-3,5-diene-17 beta -carboxamide-3-carboxylic acid. Novel processes for preparing polymorph "B" are also disclosed.

IPC 1-7

C07J 41/00; C07J 75/00

IPC 8 full level

C07J 41/00 (2006.01); C07J 75/00 (2006.01)

CPC (source: EP)

C07J 41/0066 (2013.01)

Citation (search report)

[XD] EP 0289327 A2 19881102 - SMITHKLINE BECKMAN CORP [US]
See references of WO 9319080A1

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 9319080 A1 19930930; AU 3937393 A 19931021; EP 0643722 A1 19950322; EP 0643722 A4 19950517; GB 9206414 D0 19920506; JP H07505369 A 19950615

DOCDB simple family (application)

US 9302862 W 19930324; AU 3937393 A 19930324; EP 93908611 A 19930324; GB 9206414 A 19920324; JP 51685193 A 19930324