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.

Date of Patent:
May. 08, 2012

Filed:

Dec. 04, 2006
Applicants:

Kunio Ogasawara, Miyagi, JP;

Takashi Emura, Shizuoka, JP;

Akira Kawase, Tokyo, JP;

Koji Takano, Shizuoka, JP;

Keisuke Yamamoto, Shizuoka, JP;

Yoshiaki Kato, Tokyo, JP;

Inventors:

Kunio Ogasawara, Miyagi, JP;

Takashi Emura, Shizuoka, JP;

Akira Kawase, Tokyo, JP;

Koji Takano, Shizuoka, JP;

Keisuke Yamamoto, Shizuoka, JP;

Yoshiaki Kato, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 401/00 (2006.01); C07C 35/00 (2006.01); C07C 233/00 (2006.01);
U.S. Cl.
CPC ...
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 shown in the following reaction scheme: an intermediate useful for carrying out the process, and a process for producing the intermediate.


Find Patent Forward Citations

Ogasawara, Kunio. (2012). Process for producing vitamin d derivative using convergent method (U.S. Patent No. 8173824). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8173824

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