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:
Mar. 19, 1985
Filed:
Mar. 05, 1984
Yasuji Yamada, Hachioji, JP;
Sanraku-Ocean Co., Ltd., Tokyo, JP;
Abstract
A compound represented by the formula ##STR1## wherein R.sup.1 represents a lower alkyl group, a phenyl group or a benzyl group, or the two R.sup.1 groups together represent a group of the formula --CH.sub.2 --.sub.n in which n is an integer of 4 to 7; R.sup.2 represents a hydrogen atom, an alkyl group, or a substituted or unsubstituted aralkyl group; and Z represents a hydrogen atom, a lower alkyl group or a substituted or unsubstituted benzyl group; and a process for production thereof. The compounds of this invention are useful as intermediates for the synthesis of various biologically active substances, such as various antibiotics, particularly .beta.-lactam antibiotic derivatives, thienamycin, antibiotic PS-5 and their analogous substances.