Patent · US Expired

Method for preparing 6-chloro-N-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine

US4541954A · kind A · utility

20Cited by

2References

4Claims

0Family size

Assignee

SmithKline Beckman Corporation · US

Inventors

Stanley J. Borowski · West Chester, US
Thomas A. Post · Pittsford, US

Key dates

Filing date	Sep 5, 1984
Grant date	Sep 17, 1985
Priority date	—
Expiry date	Sep 5, 2004

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P25/02
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A novel process for preparing 6-chloro-N-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine comprising cyclizing N-methyl-N-[2-(2'-chlorophenyl)ethyl]-2-chloroethylamine hydrochloride in a solution of trichlorobenzene and aluminum chloride.

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