Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1986-03-28
1990-05-15
Daus, Donald G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
548194, G07D22728
Patent
active
049259482
ABSTRACT:
Compounds of the formula ##STR1## wherein r.sup.1 is amino or protected amino R.sup.2 is cycloalkenyl X is halogen and Y is carboxy or protected carboxy, or salts useful as intermediates for cephalosporin antibiotics.
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Murata Masayoshi
Takasugi Hisashi
Takaya Takao
Yoshioka Akiteru
Daus Donald G.
Fujisawa Pharmaceutical Company, Ltd.
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