The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 12, 1983
Filed:
Sep. 29, 1982
Applicant:
Inventor:
Vytautas J Jasys, New London, CT (US);
Assignee:
Pfizer Inc., New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602391 ; 2602 / ; 424271 ;
Abstract
Compounds of the formula ##STR1## wherein R.sup.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 N.sub.3 or NHCO.sub.2 CH.sub.2 C.sub.6 H.sub.4 R.sup.4 where R.sup.4 is H, Cl, Br, NO.sub.2, CH.sub.3 or OCH.sub.3 ; 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).