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:
Sep. 07, 2010
Filed:
Aug. 27, 2007
Mitsuo Nagai, Tsukuba, JP;
Tomohiro Matsushima, Tsukuba, JP;
Atsushi Kamada, Tsukuba, JP;
Kazunori Wakasugi, Tsukuba, JP;
Shuji Shirotori, Tsukuba, JP;
Shinya Abe, Tsukuba, JP;
Kazumasa Nara, Tsukuba, JP;
Takahisa Sakaguchi, Tsukuba, JP;
Mitsuo Nagai, Tsukuba, JP;
Tomohiro Matsushima, Tsukuba, JP;
Atsushi Kamada, Tsukuba, JP;
Kazunori Wakasugi, Tsukuba, JP;
Shuji Shirotori, Tsukuba, JP;
Shinya Abe, Tsukuba, JP;
Kazumasa Nara, Tsukuba, JP;
Takahisa Sakaguchi, Tsukuba, JP;
Eisai R&D Management Co., Ltd., Tokyo, JP;
Abstract
A process for preparing a compound represented by the formula (I): comprising reacting a compound represented by the formula (II) or salt thereof: with a compound represented by the formula (III): in the presence of a condensation reagent,wherein Rrepresents 1) optionally substituted azetidin-1-yl, 2) optionally substituted pyrrolidin-1-yl, 3) optionally substituted piperidin-1-yl, etc.; R, R, Rand Rmay be the same or different and each represents hydrogen or fluorine; and Rrepresents hydrogen or fluorine.