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. 07, 2002
Filed:
Jan. 07, 2000
Applicant:
Inventors:
Manabu Node, Hirakata, JP;
Daisaku Nakamura, Ichihara, JP;
Toshio Fujiwara, Kyoto, JP;
Shogo Ichihashi, Kyoto, JP;
Assignee:
Nihon Medi-Physics Co., Ltd., Hyogo-Ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07C 6/700 ;
U.S. Cl.
CPC ...
C07D / ; C07D / ; C07C 6/700 ;
Abstract
The present invention relates to a method for synthesis of an optically active halopyridyl-azacyclo-pentane derivative and the intermediate thereof which comprises preparing an optically active allene-1,3-dicarboxylic acid ester derivative from an optically active acetonedicarboxylic acid ester derivative and then proceeding through a 7-azabicyclo[2.2.1]heptane derivative to obtain the objective product.