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Document Type and Number:
Japanese Patent JPH0331717
Kind Code:
B2
Abstract:
Compounds of the formula wherein R<1> is H or HO; Y and Z are each Cl, Br or I, or Y is H and Z is Cl, Br or I; Q is N3 or NHCO2CH2C6H4R<4> where R<4> is H, Cl, Br, NO2, CH3 or OCH3; a process for their use in production of the valuable antibacterial agents 1,1-dioxopenicillanoyloxymethyl 6-(2-amino-2-phenylacetamido)penicillanate and 1,1-dioxopenicillanoyloxymethyl 6-[2-amino-2-(p-hydroxyphenyl)acetamido]penicillanate, by catalytic hydrogenation in the presence of a noble metal catalyst and novel intermediates useful in preparing said compounds of formula (I).

Inventors:
BAITOOTASU JON JASHISU
Application Number:
JP4618582A
Publication Date:
May 08, 1991
Filing Date:
March 23, 1982
Export Citation:
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Assignee:
PFIZER
International Classes:
C07D499/87; A61K31/43; A61K31/431; A61P31/04; C07B61/00; C07D499/00; C07D499/04; C07D499/08; C07D499/32; C07D499/68; C07D499/86; C07D499/865; C07D499/893; C07D499/897; C07D519/00; C07D519/06