Patent · US Expired

4-Phenyl-4,5,6,7-tetrahydro-thieno(2,3-C)pyridines and salts thereof

US4322423A · kind A · utility

3Cited by

2References

7Claims

0Family size

Assignee

Boehringer Ingelheim GmbH · DE

Inventors

Claus Schneider · Ingelheim am Rhein, DE
Karl-Heinz Weber · Gau-Algesheim, DE
Adolf Langbein
Wolf-Dietrich Bechtel · Appenheim, DE
Karin Boke · Ingelheim am Rhein, DE

Key dates

Filing date	Mar 27, 1980
Grant date	Mar 30, 1982
Priority date	—
Expiry date	Mar 27, 2000

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D333/30
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Compounds of the formula ##STR1## wherein R.sub.1 is chlorine, bromine or alkyl of 1 to 3 carbon atoms; PA0 R.sub.2 is hydrogen or, when R.sub.1 is alkyl, chlorine or bromine; PA0 R.sub.1 and R.sub.2, together with each other, are straight alkylene of 3 to 4 carbon atoms; PA0 R.sub.3 is hydrogen, fluorine, chlorine, bromine, alkyl of 1 to 2 carbon atoms; hydroxyl or trifluoromethyl; and PA0 R.sub.4 is hydrogen, straight or branched alkyl of 1 to 4 carbon atoms or phenyl lower alkyl; and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as antidepressants.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.