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:
Jan. 18, 1977
Filed:
Sep. 03, 1975
Hisao Tobiki, Toyonaka, JA;
Hirotada Yamada, Nishinomiya, JA;
Iwao Nakatsuka, Nishinomiya, JA;
Kozo Shimago, Takarazuka, JA;
Shigeru Okano, Kawanishi, JA;
Takenari Nakagome, Nishinomiya, JA;
Toshiaki Komatsu, Takarazuka, JA;
Akio Izawa, Toyonaka, JA;
Hiroshi Noguchi, Takarazuka, JA;
Yasuko Eda, Toyonaka, JA;
Abstract
Novel penicillins of the formula: ##STR1## wherein the ring A is a benzene ring or a 5 or 6-membered heteroaromatic ring containing one or two nitrogen atoms as the hetero atom, on which one or more of lower alkyl, lower alkoxy, lower alkylthio, lower haloalkyl, lower alkylenedioxy halogen, hydroxyl, nitro, free or protected amino, lower alkylamino, di(lower)alkylamino and lower alkanoylamino may be present, Z is a nitrogen atom or a methylene group, X is an oxygen atom or a sulfur atom, Y is a hydrogen atom, a lower alkoxycarbonyl group or a lower alkanoyl group, R.sub.1 is a free or protected hydroxyl group and R.sub.2 and R.sub.3 are each a hydrogen atom or a halogen atom, and their non-toxic pharmaceutically acceptable salts, and their preparation.