Patent · US Expired

Process for producing phenserine and its analog

US6495700B1 · kind B1 · utility

16Cited by
25References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 9, 2002
Grant dateDec 17, 2002
Priority date
Expiry dateJan 9, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D487/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for preparing phenserine compounds which are known acetylcholinesterase inhibitors from physostigmine compounds by hydrolysis to form an eseroline compound which is then condensed with an isocyanate.

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