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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.:

US 10570112 B1

PDFFull Text
Date of Patent:
Feb. 25, 2020

Filed:

Jul. 25, 2018

Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-d-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same

Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventors:

Kouki Nakamura, Ashigarakami-gun, JP;

Satoshi Shimamura, Ashigarakami-gun, JP;

Junichi Imoto, Ashigarakami-gun, JP;

Motomasa Takahashi, Ashigarakami-gun, JP;

Katsuyuki Watanabe, Ashigarakami-gun, JP;

Kenji Wada, Ashigarakami-gun, JP;

Yuuta Fujino, Ashigarakami-gun, JP;

Takuya Matsumoto, Ashigarakami-gun, JP;

Makoto Takahashi, Ashigarakami-gun, JP;

Hideki Okada, Ashigarakami-gun, JP;

Takehiro Yamane, Ashigarakami-gun, JP;

Takayuki Ito, Ashigarakami-gun, JP;

Assignee:

FUJIFILM Corporation, Tokyo, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Sudhakar Katakam

Assistant Examiner:

Jennifer C Sawyer

Int. Cl.
CPC ...
C07C 47/277 (2006.01); C07D 333/32 (2006.01); C07F 7/18 (2006.01); C07C 67/29 (2006.01); C07C 68/06 (2020.01); C07C 69/28 (2006.01); C07C 69/618 (2006.01); C07C 69/76 (2006.01); C07C 69/92 (2006.01); C07C 69/96 (2006.01); A61K 31/7068 (2006.01); C07C 303/28 (2006.01); C07C 45/00 (2006.01); C07B 53/00 (2006.01); C07C 309/73 (2006.01); C07C 249/04 (2006.01); C07C 251/38 (2006.01); C07H 13/04 (2006.01); C07H 13/08 (2006.01); C07H 15/04 (2006.01); C07H 15/18 (2006.01); C07H 15/203 (2006.01); C07H 17/02 (2006.01); C07H 19/067 (2006.01); C07H 19/073 (2006.01); C07H 23/00 (2006.01); C07H 19/06 (2006.01); C07C 69/78 (2006.01); C07H 1/00 (2006.01); C07H 7/04 (2006.01); C07C 251/40 (2006.01); C07C 309/66 (2006.01);
U.S. Cl.
CPC ...
C07D 333/32 (2013.01); A61K 31/7068 (2013.01); C07B 53/00 (2013.01); C07C 45/00 (2013.01); C07C 47/277 (2013.01); C07C 67/29 (2013.01); C07C 68/06 (2013.01); C07C 69/28 (2013.01); C07C 69/618 (2013.01); C07C 69/76 (2013.01); C07C 69/78 (2013.01); C07C 69/92 (2013.01); C07C 69/96 (2013.01); C07C 249/04 (2013.01); C07C 251/38 (2013.01); C07C 251/40 (2013.01); C07C 303/28 (2013.01); C07C 309/66 (2013.01); C07C 309/73 (2013.01); C07F 7/1804 (2013.01); C07F 7/188 (2013.01); C07H 1/00 (2013.01); C07H 7/04 (2013.01); C07H 13/04 (2013.01); C07H 13/08 (2013.01); C07H 15/04 (2013.01); C07H 15/18 (2013.01); C07H 15/203 (2013.01); C07H 17/02 (2013.01); C07H 19/06 (2013.01); C07H 19/067 (2013.01); C07H 19/073 (2013.01); C07H 23/00 (2013.01); Y02P 20/55 (2015.11);
Abstract

A compound represented by a formula [1D] as shown below (wherein R, R, R, R, Rand Rrepresent a hydrogen atom, an optionally substituted Calkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside.

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