Patent · US Expired

4-cyclohexenyl azetidinone derivatives

US5225552A · kind A · utility

0Cited by
1References
19Claims
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Assignee

Inventor

Key dates

Filing dateMar 6, 1992
Grant dateJul 6, 1993
Priority date
Expiry dateMar 6, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/55
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compounds of formula ##STR1## in which R.sub.1 represents a hydrogen atom or a hydroxyl protecting group; R.sub.2 represents a hydrogen atom or a trialkylsilyl group, and --X--Y-- represents the epoxide group (A) or the alkene group (B). ##STR2## wherein R.sub.3 represents a C.sub.1-6 alkyl group optionally substituted by halogen or an optionally substituted phenyl group, useful as intermediates in the preparation of antibacterially active compound.

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