IDiyas

For the Inventor, By the Inventor

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 9440913 B1

PDFFull Text
Date of Patent:
Sep. 13, 2016

Filed:

Nov. 01, 2011

Dihydroxybenzene derivatives and antiprotozoal agent comprising same as active ingredient

Applicants:

Hiroyuki Saimoto, Tottori, JP;

Kiyoshi Kita, Tokyo, JP;

Yoshisada Yabu, Aichi, JP;

Masaichi Yamamoto, Tokyo, JP;

Inventors:

Hiroyuki Saimoto, Tottori, JP;

Kiyoshi Kita, Tokyo, JP;

Yoshisada Yabu, Aichi, JP;

Masaichi Yamamoto, Tokyo, JP;

Assignee:

NAI INC., Minato-Ku, Tokyo, JP;

Attorney:

MacMillan, Sobanski & Todd, LLC

Primary Examiner:

Nyeemah A Grazier

Assistant Examiner:

Amanda L Aguirre

Int. Cl.
CPC ...
C07C 255/53 (2006.01); C07C 47/27 (2006.01); C07C 49/248 (2006.01); C07C 59/90 (2006.01); A61K 31/11 (2006.01); A61K 31/12 (2006.01); A61K 31/192 (2006.01); A61K 31/216 (2006.01); A61K 31/336 (2006.01); A61K 31/351 (2006.01); A61K 31/357 (2006.01); A61P 33/00 (2006.01); C07C 47/56 (2006.01); C07C 59/74 (2006.01); C07C 69/738 (2006.01); A61K 45/06 (2006.01); A61K 31/047 (2006.01); C07C 47/575 (2006.01); C07C 49/258 (2006.01); C07C 49/835 (2006.01); C07C 49/84 (2006.01);
U.S. Cl.
CPC ...
C07C 255/53 (2013.01); A61K 31/047 (2013.01); A61K 45/06 (2013.01); C07C 47/27 (2013.01); C07C 47/56 (2013.01); C07C 47/575 (2013.01); C07C 49/248 (2013.01); C07C 49/258 (2013.01); C07C 49/835 (2013.01); C07C 49/84 (2013.01); C07C 59/74 (2013.01); C07C 59/90 (2013.01); C07C 69/738 (2013.01);
Abstract

Novel compounds below are useful for preventing or treating diseases caused by protozoans. At least one of a compound represented by Formula (I) (wherein, X represents a hydrogen atom or a halogen atom; Rrepresents a hydrogen atom; Rrepresents a hydrogen atom or a Calkyl group; Rrepresents —CHO, —C(═O)R, —COOR(wherein Rrepresents a Calkyl group), —CHOH or —COOH; and Rrepresents a Calkyl group having one or more substituents on a terminal carbon atom and/or non-terminal carbon atom(s), a Calkenyl group having one or more substituents on a terminal carbon atom and/or non-terminal carbon atom(s), or a Calkynyl group having one or more substituents on a terminal carbon atom and/or non-terminal carbon atom(s)), an optical isomer thereof, and a pharmaceutically acceptable salt is used.

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