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:
Feb. 22, 1983
Filed:
Oct. 21, 1980
Applicant:
Inventors:
Assignee:
Sankyo Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2601 / ;
Abstract
Macrolide antibiotics are derivatives of the compound Mycoplanecin and have the formula: ##STR1## (in which R represents a hydrogen atom or an N-(.alpha.-hydroxybutyryl)-N-methylvalyl group). The compound in which R represents an N-(.alpha.-hydroxybutyryl)-N-methylvalyl group can be prepared by reducing Mycoplanecin and the compound in which R represents a hydrogen atom can be prepared by the hydrolysis of Mycoplanecin or of the compound of formula (I) in which R represents an N-(.alpha.-hydroxybutyryl)-N-methylvalyl group.