Patent · US Expired

Process for the preparation of N,N-dimethyl-10-[1-aza-[2,2,2]-bicyclo-3-octyl]-10H-2-phenothiazine sulphonamide

US4482711A · kind A · utility

0Cited by
4References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 2, 1982
Grant dateNov 13, 1984
Priority date
Expiry dateAug 2, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D453/02
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Process for the preparation of N,N-dimethyl-10[1-aza-[2,2,2]-bicyclo-3-octyl]-10H-2-phenothiazine sulphonamide, usable as a gastric secretion inhibitor, characterized in that N,N-dimethyl-3-[(1-aza-[2,2,2]-bicyclo-3-octyl)amino]-4-[(2-bromophenyl)th io] benzene sulphonamide is cyclized in the presence of an alkali metal amide.

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