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:
Sep. 01, 2026
Filed:
May. 24, 2023
Shin-etsu Chemical Co., Ltd., Tokyo, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Abstract
The present invention relates to A process for preparing a conjugated diene compound, the process comprising: subjecting, to an intramolecular sigmatropic rearrangement reaction, a conjugated diene compound (1) of the following general formula (1), wherein Z represents a halogen atom, a methyl group, a hydroxy group, an acetoxy group, a formyl group, or an acetal, and n and m are, independently of each other, integers of 0 to 14, or a conjugated diene compound (2) of the following general formula (2), wherein Z, n, and m are as defined above, to obtain, respectively, a conjugated diene compound (3) of the following general formula (3), wherein Z is as defined above, and n and m are, independently of each other, integers of 0 to 14, with the proviso that m−1 is an integer of zero or more, or a conjugated diene compound (4) of the following general formula (4), wherein Z is as defined above, and n and m are, independently of each other, integers of 0 to 14, with the proviso that n−1 is an integer of zero or more.