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. 19, 2016
Filed:
Mar. 26, 2014
Kuraray Co., Ltd., Kurashiki-shi, JP;
Tatsuya Yoshikawa, Kamisu, JP;
Tomoaki Tsuji, Kamisu, JP;
KURARAY CO., LTD., Kurashiki-shi, JP;
Abstract
Provided is a simple and industrially advantageous method for producing 2,7-octadien-1-ol, in which an expensive palladium catalyst is recovered in high efficiency and the reaction rate per atom of palladium is enhanced. Specifically, provided is a method for producing 2,7-octadien-1-ol by subjecting butadiene and water to a telomerization in the presence of a palladium catalyst containing a water-soluble triarylphosphine having two or more sulfonate groups in the molecule and a palladium compound, a tertiary amine, and carbon dioxide, including a step of mixing the telomerization solution obtained by the telomerization with an organic solvent having a dielectric constant at 25° C. of 2 to 18, followed by carrying out phase separation in the presence of carbon dioxide, thereby obtaining 2,7-octadien-1-ol from an organic phase while recovering an aqueous phase including the palladium catalyst. By this production method, the selectivity for 2,7-octadien-1-ol is enhanced.