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:
Apr. 04, 2006
Filed:
Feb. 13, 2002
Yasuo Ohtsuka, Yokohama, JP;
Toshio Nishizuka, Yokohama, JP;
Sohjiro Shiokawa, Yokohama, JP;
Seiji Tsutsumi, Yokohama, JP;
Mami Kawaguchi, Yokohama, JP;
Hideo Kitagawa, Yokohama, JP;
Hiromi Takata, Yokohama, JP;
Takashi Shishikura, Yokohama, JP;
Toyoaki Ishikura, Yokohama, JP;
Kenichi Fushihara, Yokohama, JP;
Yumiko Okada, Odawara, JP;
Sachiko Miyamoto, Odawara, JP;
Maki Shiobara, Odawara, JP;
Yasuo Ohtsuka, Yokohama, JP;
Toshio Nishizuka, Yokohama, JP;
Sohjiro Shiokawa, Yokohama, JP;
Seiji Tsutsumi, Yokohama, JP;
Mami Kawaguchi, Yokohama, JP;
Hideo Kitagawa, Yokohama, JP;
Hiromi Takata, Yokohama, JP;
Takashi Shishikura, Yokohama, JP;
Toyoaki Ishikura, Yokohama, JP;
Kenichi Fushihara, Yokohama, JP;
Yumiko Okada, Odawara, JP;
Sachiko Miyamoto, Odawara, JP;
Maki Shiobara, Odawara, JP;
Meiji Seika Kaisha, Ltd., Tokyo-To, JP;
Abstract
A process for preparing a compound represented by formula (IIa')wherein Q represents group (i) as defined in the specification and Rto R, R, R, and Rare as defined in the specification, by (1) reacting a compound represented by formula (V)wherein Rto Rand Rare as defined in the specification. with a compound represented by RRC═O wherein Rand Rare as defined in the specification; (2) reacting the compound prepared in (1) with a compound represented by R—C(═O)—Rwherein Rand Reach independently represent a chlorine atom, 4-nitrophenyl, or 1-imidazolyl; and (3) reacting the compound prepared in (2) with a compound represented by ROH wherein Ris as defined in the specification.