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:
May. 22, 2018
Filed:
Jul. 18, 2014
Eisai R&d Management Co., Ltd., Tokyo, JP;
Keigo Tanaka, Tsukuba, JP;
Takashi Fukuyama, Tsukuba, JP;
Norio Murai, Tsukuba, JP;
Wataru Itano, Tsukuba, JP;
Shinsuke Hirota, Tsukuba, JP;
Daisuke Iida, Tsukuba, JP;
Hiroshi Azuma, Tsukuba, JP;
Eisai R&D Management Co., Ltd., Tokyo, JP;
Abstract
A compound represented by the formula (I) or a salt thereof: wherein a ring Z is a 5 to 6-membered heteroaromatic ring having one or two heteroatoms in the ring; Xis a hydrogen atom, a hydroxy group, a hydroxy Calkyl group, —B(OH), a boronate ester group, a cyclic boronate ester group, a boranyl group, a cyclic boranyl group, —BFM, —Sn(R)(R)(R), a leaving group, a carboxy group, a formyl group, or —NRR; and Xis a hydrogen atom or —COR.