Patent · US Expired

Chiral scaffolds and their preparation

US7091355B2 · kind B2 · utility

0Cited by
1References
24Claims
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Assignee

Inventor

Key dates

Filing dateDec 21, 2001
Grant dateAug 15, 2006
Priority date
Expiry dateDec 21, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D211/60
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A crystalline salt according to formula (1): or the opposite enantiomer thereof, wherein X+ is a cation. Such salts are useful in preparing chiral scaffolds, in particular of formulae (a)–(d)

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