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:
Nov. 04, 2014
Filed:
Mar. 27, 2013
Tsumura & Co., Tokyo, JP;
Katsuyuki Aoki, Ibaraki, JP;
Tsumura & Co., Tokyo, JP;
Abstract
Provided are a method for producing a sanshool, which can produce a sanshool in a short process and with high stereoselectivity, as well as a novel diene iron complex compound that is a stable intermediate useful for the production method. The diene iron complex compound is represented by the following general formula (I): (in which A represents CO, P(R), CN, NO, SO(R), or N(R); Rrepresents a straight chain or branched chain alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 12 carbon atoms; and one of Rand Rrepresents a hydrogen atom and the other one thereof represents a structure represented by the following formula (II)): (in which R represents a hydrogen atom, a hydroxyl group, or a methyl group).