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:
Nov. 20, 1979
Filed:
May. 08, 1978
Applicant:
Inventors:
Masaru Senuma, Takatsuki, JP;
Nobuhiko Ishihara, Neyagawa, JP;
Shigeru Nishimoto, Minoo, JP;
Eisaku Yamato, Kobe, JP;
Noboru Shigematsu, Nishinomiya, JP;
Assignee:
Tanabe Seiyaku Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562444 ;
Abstract
Glyoxylic acid or a salt of glyoxylic, an ammonium salt of an organic or inorganic acid and a phenol compound of the formula: ##STR1## wherein n is an integer of one to three, are condensed together to prepare hydroxyphenylglycine compounds of the formula: ##STR2## wherein n is the same as defined above. The hydroxyphenylglycine compounds thus obtained are useful as intermediates in the synthesis of penicillins and cephalosporins.