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:
Sep. 18, 1984
Filed:
Dec. 03, 1982
Applicant:
Inventors:
Tadashi Wakazawa, Yokohama, JP;
Taro Niida, Yokohama, JP;
Shunzo Fukatsu, Ichigayata, JP;
Yasushi Murai, Yokosuka, JP;
Tsuneo Okonogi, Yokohama, JP;
Seiji Shibahara, Machida, JP;
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544 92 ; 260141 ;
Abstract
Disclosed is a process for preparing antibiotic 1-oxadethiacephalosporins via diazo-species I: ##STR1## wherein: A is acyl; R.sup.1 is H or OCH.sub.3 ; and R.sup.2 is a protecting group.