Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...
Patent
1987-12-03
1988-12-27
Rotman, Alan L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Unsubstituted hydrocarbyl chain between the ring and the -c-...
548952, C02D40912
Patent
active
047941790
ABSTRACT:
Process and intermediates for the conversion of 3R,4R-4-acetoxy-3-[1R-1-(silyloxy)ethyl]-2-azetidinones to antibacterial 5R,6S-6-(1R-1-hydroxyethyl)-2-(1-oxo-3-thiolanylthio)-2-penem-3-carboxylic acids, and the pharmaceutically-acceptable salts and pivaloyloxymethyl esters thereof.
REFERENCES:
patent: 4530793 (1985-07-01), Girijavallabhan et al.
patent: 4619924 (1986-10-01), Hamanaka
Lindner David L.
Volkmann Robert A.
Blackwood Robert K.
Lumb J. Trevor
Pfizer Inc.
Richardson Peter C.
Rotman Alan L.
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