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. 17, 1992
Filed:
Sep. 24, 1990
Applicant:
Inventors:
Sumio Umezawa, Tokyo, JP;
Tsutomu Tsuchiya, Kanagawa, JP;
Tomio Takeuchi, Tokyo, JP;
Shunji Kageyama, Ibaraki, JP;
Shuichi Sakamoto, Tokyo, JP;
Assignee:
Zaidan Hojin Biseibutsu Kagaku Kenkyikai, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07H / ;
U.S. Cl.
CPC ...
514 30 ; 536-71 ;
Abstract
3-Deoxy mycaminosyl tylonolide derivatives represented by the following general formula and salts thereof: ##STR1## wherein X represents an oxygen atom or .dbd.N--OR.sup.4 (wherein R.sup.4 represents hydrogen or lower alkyl); R.sup.1 represents a hydrogen atom, an acyl group or an alkylsilyl group; R.sup.2 represents a hydrogen atom or an acyl group; and R.sup.3 represents a hydrogen atom or a hydroxyl group. The compounds of this invention of the formula (I) are novel compounds and have excellent antibacterial activity.