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. 30, 2013
Filed:
May. 26, 2008
Yong Qin, Sichuan Province, CN;
Xianglin Deng, Chongqing, CN;
Xuan Zhou, Sichuan Province, CN;
Guofeng Yu, Chongqing, CN;
KE Wang, Sichuan Province, CN;
Hao Song, Sichuan Province, CN;
Xiaolin Wang, Chongqing, CN;
Shan Huang, Chongqing, CN;
Yong Qin, Sichuan Province, CN;
Xianglin Deng, Chongqing, CN;
Xuan Zhou, Sichuan Province, CN;
Guofeng Yu, Chongqing, CN;
Ke Wang, Sichuan Province, CN;
Hao Song, Sichuan Province, CN;
Xiaolin Wang, Chongqing, CN;
Shan Huang, Chongqing, CN;
Abstract
The present invention relates to a method for the preparation of (3S,4S)-3-hexyl-4-((R)-2-hydroxytridecyl)-oxetan-2-one and a product of the method. The method includes the following steps: a) reducing a substance represented by formula (II) to obtain a substance represented by formula (III), and then oxidizing the substance represented by formula (III) to form a substance represented by formula (IV); b) acylating n-octanoic acid to obtain n-octanoyl chloride using thionyl dichloride, then condensing the obtained n-octanoyl chloride with 2-mercapto-pyridine under basic condition to form a substance represented by formula (V), and then converting the substance represented by formula (V) to a substance represented by formula (VI); c) reacting the substance obtained in the step a) with the substance obtained in the step b) under catalytic condition of Lewis acid to generate a substance represented by formula (VII), and then reacting with a Lewis acid. The meanings of the signs in these formulas are the same as those in the description.