4-cyclohexenyl azetidinone derivatives
US5225552A · kind A · utility
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19Claims
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Key dates
| Filing date | Mar 6, 1992 |
| Grant date | Jul 6, 1993 |
| Priority date | — |
| Expiry date | Mar 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.