EP 0765317 A1 19970402 - METHOD OF PREPARING BENZOTHIOPHENE DERIVATIVES
Title (en)
METHOD OF PREPARING BENZOTHIOPHENE DERIVATIVES
Title (de)
VERFAHREN ZUR HERSTELLUNG VON BENZTHIOPHENDERIVATEN
Title (fr)
PROCEDE DE PREPARATION DE DERIVES DE BENZOTHIOPHENE
Publication
Application
Priority
- DE 4420926 A 19940616
- EP 9502140 W 19950606
Abstract (en)
[origin: WO9534551A1] The invention concerns a method of preparing specially substituted benzothiophene derivatives of the general formula (I) by reacting cinnamic acid derivatives with (a) thionyl chloride, (b) amines and (c) hydrogen in a single-vessel process.
IPC 1-7
IPC 8 full level
C07D 333/56 (2006.01); C07D 333/60 (2006.01); C07D 333/70 (2006.01)
CPC (source: EP)
C07D 333/70 (2013.01)
Citation (search report)
See references of WO 9534551A1
Designated contracting state (EPC)
BE CH DE ES FR GB IT LI
DOCDB simple family (publication)
DE 4420926 A1 19951221; AU 2674595 A 19960105; EP 0765317 A1 19970402; JP H10501543 A 19980210; WO 9534551 A1 19951221
DOCDB simple family (application)
DE 4420926 A 19940616; AU 2674595 A 19950606; EP 9502140 W 19950606; EP 95921831 A 19950606; JP 50157295 A 19950606