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:
Jul. 03, 2012
Filed:
Nov. 30, 2006
Akira Kawase, Tokyo, JP;
Yasuharu Kato, Shizuoka, JP;
Kazutomo Kinoshita, Shizuoka, JP;
Yasushi Kitoh, Kanagawa, JP;
Takuma Ikeda, Tokyo, JP;
Tsuyoshi Haneishi, Tokyo, JP;
Noriaki Maruyama, Tokyo, JP;
Mio Kobayashi, Tokyo, JP;
Akira Kawase, Tokyo, JP;
Yasuharu Kato, Shizuoka, JP;
Kazutomo Kinoshita, Shizuoka, JP;
Yasushi Kitoh, Kanagawa, JP;
Takuma Ikeda, Tokyo, JP;
Tsuyoshi Haneishi, Tokyo, JP;
Noriaki Maruyama, Tokyo, JP;
Mio Kobayashi, Tokyo, JP;
Chugai Seiyaku Kabushiki Kaisha, Tokyo, JP;
Abstract
There are provided a novel process for producing [{(5Z,7E)-(1S,3R,20S)-1,3-dihydroxy-9,10-secopregna-5,7,10(19),16-tetraen-20-yl}oxy]-N-(2,2,3,3,3-pentafluoropropyl)acetamide, which process is characterized by irradiating a compound represented by the formula: with UV to ring-open the compound, and then isomerizing the resulting compound; an intermediate useful for carrying out the process; and a process for producing the intermediate.