Patent · US Expired

Process for preparation of amidine derivatives

US6987187B2 · kind B2 · utility

0Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 15, 2002
Grant dateJan 17, 2006
Priority date
Expiry dateJul 31, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D491/14
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for producing amidine derivatives represented by the following reaction scheme, characterized in that the reactions of steps 1 and 3 are conducted in acetonitrile and the reaction of step 2 is conducted in acetone.

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