Global Patent Index - EP 1379500 A2

EP 1379500 A2 20040114 - METHOD FOR THE PRODUCTION OF $g(D)?1 PYRROLINES

Title (en)

METHOD FOR THE PRODUCTION OF $g(D)?1 PYRROLINES

Title (de)

VERFAHREN ZUR HERSTELLUNG VON 2,5-BISARYL-DELTA1-PYRROLINEN AUS AROYLPYRROLIDINONEN

Title (fr)

PROCEDE DE PRODUCTION DE DELTA-1-PYRROLINES

Publication

EP 1379500 A2 20040114 (DE)

Application

EP 02737924 A 20020408

Priority

  • DE 10117675 A 20010409
  • DE 10133929 A 20010712
  • EP 0203855 W 20020408

Abstract (en)

[origin: US7250521B2] 2,5-Bisaryl-Delta<SUP>1</SUP>-pyrrolines of the formula (I) in which Ar<SUP>1 </SUP>and Ar<SUP>2 </SUP>are as defined in the description can be prepared by reacting aroylpyrrolidinones of the formula (II) in which Ar<SUP>1 </SUP>and Ar<SUP>2 </SUP>are as defined in the description with an acid, if appropriate in the presence of a diluent.

IPC 1-7

C07D 207/20

IPC 8 full level

C07D 207/20 (2006.01)

CPC (source: EP US)

C07D 207/20 (2013.01 - EP US)

Citation (search report)

See references of WO 02081442A2

Designated contracting state (EPC)

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

DOCDB simple family (publication)

US 2004147764 A1 20040729; US 7250521 B2 20070731; CN 1240678 C 20060208; CN 1501913 A 20040602; EP 1379500 A2 20040114; IL 158119 A0 20040328; JP 2004526752 A 20040902; WO 02081442 A2 20021017; WO 02081442 A3 20021227

DOCDB simple family (application)

US 47410604 A 20040308; CN 02807987 A 20020408; EP 0203855 W 20020408; EP 02737924 A 20020408; IL 15811902 A 20020408; JP 2002579430 A 20020408