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:
Oct. 24, 2017
Filed:
Mar. 06, 2015
Sumitomo Chemical Company, Limited, Tokyo, JP;
Tomoaki Takahashi, Oita, JP;
Satoru Ujita, Hyogo, JP;
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Abstract
The present invention provides a method for manufacturing an optically active compound of formula (2), which contains bringing hydrogen into contact with a compound of formula (1) in the presence of a transition metal catalyst having an optically active ligand. In the formula, Rrepresents a hydrogen atom or an acetyl group, R, R, R, and Reach independently represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a hydroxy group, a nitro group, an amino group, or an acyl group, Rrepresents an alkyl group, Rand Reach independently represents a hydrogen atom or an alkyl group, and a carbon atom marked with an asterisk (*) represents an asymmetric carbon atom.