Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...
Patent
1994-07-29
1997-01-21
Shah, Mukund J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Unsubstituted hydrocarbyl chain between the ring and the -c-...
C07D51304
Patent
active
055960960
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).
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Iinuma Katsuharu
Nishihata Ken
Sakanaka Osamu
Sebata Katsufumi
Sumi Shinjiro
Meiji Seika Kaisha Ltd.
Shah Mukund J.
Wong King Lit
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