Patent · US Expired

Process for preparing adenine

US4059582A · kind A · utility

3Cited by
2References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 24, 1975
Grant dateNov 22, 1977
Priority date
Expiry dateJul 24, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D473/34
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Adenine is prepared by reacting at least one member selected from the class of diaminomaleonitrile and diaminofumaronitrile, a formic acid derivative and at least one member selected from the class of ammonia and ammonium salts in the presence or absence of a solvent.

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