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:
Jul. 20, 2010
Filed:
Apr. 28, 2006
Koji Hagihara, Chicago, IL (US);
Tsutomu Matsumura, Sakai, JP;
Masahiro Hoshikawa, Sakai, JP;
Iwao Chujo, Kaizuka, JP;
Koji Hagihara, Chicago, IL (US);
Tsutomu Matsumura, Sakai, JP;
Masahiro Hoshikawa, Sakai, JP;
Iwao Chujo, Kaizuka, JP;
Kyowa Hakko Kirin Co., Ltd., Tokyo, JP;
Abstract
The present invention provides a method for producing an indazol-3-ylmethyl phosphonium salt represented by Formula (IV): [wherein X represents halogen, OSOR(wherein Rrepresents substituted or unsubstituted lower alkyl, substituted or unsubstituted aryl or the like), or OC(═O)R(wherein Rhas the same meaning as the above R), or the like, and R, Rand Rmay be the same or different and each represents substituted or unsubstituted aryl or the like] or a salt thereof, which comprises reacting a compound represented by Formula (I): a compound represented by Formula (II):H—X  (II)(wherein X has the same meaning as defined above), and a compound represented by Formula (III): (wherein R, Rand Rhave the same meanings as defined above, respectively), and the like.