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:
Dec. 01, 1987
Filed:
Oct. 30, 1985
Applicant:
Inventors:
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
558169 ; 546 22 ; 546 23 ; 546 24 ; 544110 ; 544232 ; 544337 ; 548112 ; 548413 ; 514 89 ; 514 92 ;
Abstract
A compound provided by the present invention, of the formula ##STR1## wherein R.sup.1 is C.sub.14-20 alkyl; R.sup.2, R.sup.3 and R.sup.4 are independently hydrogen or C.sub.1-5 alkyl, or ##STR2## represents a cyclic ammonio group; and A is C.sub.2-5 alkylene, and a pharmaceutically acceptable salt thereof, are useful as a anti-tumor agent.