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:
Oct. 24, 2000
Filed:
Feb. 15, 2000
Applicant:
Inventors:
Tadakatsu Mandai, Okayama-ken, JP;
Hiroshi Okumoto, Okayama-ken, JP;
Katsuyoshi Nakanishi, Yokohama, JP;
Koji Hara, Yokohama, JP;
Katsuhiko Mikuni, Yokohama, JP;
Kozo Hara, Yokohama, JP;
Assignees:
Bio Research Corporation of Yokohama, Yokohama, JP;
Ensuiko Sugar Refining Co., Ltd., Yokohama, JP;
Other;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
549510 ; 549 60 ; 5462817 ;
Abstract
A taxoid compound represented by general formula (I) ##STR1## where the symbols R.sup.1, R.sup.2, R.sup.3, R.sup.4, Bz, and Ac have specified meanings. Also, a method for producing the taxoid derivative from a baccatin derivative having a .beta.-ketoester group at the 13-position by transesterification and a method for producing taxoid compound such as paclitaxel from the taxoid derivative under mild condition are disclosed.