Patent · US Expired

Method for producing 4-[2',5'-diamino-6'-halopyrimidine-4'-yl)amino]- cyclopent-2-enylmethanols

US6433170B1 · kind B1 · utility

0Cited by
14References
16Claims
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Assignee

Inventors

Key dates

Filing dateJun 17, 2001
Grant dateAug 13, 2002
Priority date
Expiry dateJun 17, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D239/50
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to a novel method for producing 4-[(2′,5′-diamino-6′-halopyrimidine-4′-yl)amino]-cyclopent-2-enylmethanols of general formula (I), wherein X represents a halogen atom. According to the inventive method amino-4,6-halopyrimidine of general formula (II), wherein X has the aforementioned meaning, is reacted with a 4-aminocyclopent-2-enylmethanol of formula (III) or with a salt thereof in the presence of a base in a polar protic solvent.

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