Azetidinone derivatives and method for producing azetidinone and cephalosoporin derivatives
US5596096A · kind A · utility
0Cited by
11References
5Claims
0Family size
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Key dates
| Filing date | Jul 29, 1994 |
| Grant date | Jan 21, 1997 |
| Priority date | — |
| Expiry date | Jul 29, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D501/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New compounds are disclosed having the general formulas (1) and (2): ##STR1## Also described is a process for preparing the compounds of formulas (1) and (2). Further described is a process for preparing a cephalosporin derivative having formula (5): ##STR2## by converting the compound of formula (1) to the compound of formula (2) and then converting the compound of formula (2) to the compound of formula (5).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.