Global Patent Index - EP 0765318 A1

EP 0765318 A1 19970402 - METHOD FOR PREPARING BENZOTHIOPHENE DERIVATIVES

Title (en)

METHOD FOR PREPARING BENZOTHIOPHENE DERIVATIVES

Title (de)

VERFAHREN ZUR HERSTELLUNG VON BENZTHIOPHENDERIVATEN

Title (fr)

PROCEDE DE PREPARATION DE DERIVES DE BENZOTHIOPHENE

Publication

EP 0765318 A1 19970402 (DE)

Application

EP 95921832 A 19950606

Priority

  • DE 4420921 A 19940616
  • EP 9502141 W 19950606

Abstract (en)

[origin: WO9534552A1] The invention concerns a method of preparing specially substituted benzothiophene derivatives of general formula (I) by reacting appropriately substituted ortho-chlorobenzaldehyde with appropriate mercaptoacetic acid esters in the presence of a base.

IPC 1-7

C07D 333/70; C07D 333/56

IPC 8 full level

C07D 333/56 (2006.01); C07D 333/60 (2006.01); C07D 333/70 (2006.01)

CPC (source: EP)

C07D 333/56 (2013.01); C07D 333/70 (2013.01)

Citation (search report)

See references of WO 9534552A1

Designated contracting state (EPC)

BE CH DE ES FR GB IT LI

DOCDB simple family (publication)

DE 4420921 A1 19951221; AU 2674695 A 19960105; EP 0765318 A1 19970402; JP H10501544 A 19980210; WO 9534552 A1 19951221

DOCDB simple family (application)

DE 4420921 A 19940616; AU 2674695 A 19950606; EP 9502141 W 19950606; EP 95921832 A 19950606; JP 50157396 A 19950606