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. 28, 2006
Filed:
Nov. 16, 2001
Akihiro Tasaka, Suita, JP;
Takenori Hitaka, Takarazuka, JP;
Nobuyuki Matsunaga, Osaka, JP;
Masami Kusaka, Kobe, JP;
Akihiro Tasaka, Suita, JP;
Takenori Hitaka, Takarazuka, JP;
Nobuyuki Matsunaga, Osaka, JP;
Masami Kusaka, Kobe, JP;
Takeda Pharmaceutical Company, Ltd., Osaka, JP;
Abstract
The present invention provides a compound having a steroid C-lyase-inhibitory activity and useful for the therapy and prophylaxis of tumor such as prostatism, breast cancer and the like, and a method for efficiently separating an optically active compound of this compound from a mixture of optical isomers thereof, a compound of the formula: wherein each symbol is as defined in the specification, a salt thereof or a prodrug thereof, and a method for obtaining an optically active compound by optically resolving a mixture of optical isomers by the use of a resolving agent such as tartranilic acid and the like.