Search International and National Patent Collections

1. (WO2016058284) METHOD FOR PREPARING GLYCERIDE TYPE POLYUNSATURATED FATTY ACIDS

Pub. No.:    WO/2016/058284    International Application No.:    PCT/CN2015/000687
Publication Date: Fri Apr 22 01:59:59 CEST 2016 International Filing Date: Tue Oct 13 01:59:59 CEST 2015
IPC: C07C 69/587
C07C 67/08
C07C 67/03
Applicants: ZHEJIANG MEDICINE CO., LTD. XINCHANG PHARMACEUTICAL FACTORY
浙江医药股份有限公司新昌制药厂
Inventors: XIANG, Xuebing
项学兵
XU, Xinde
许新德
SHAO, Bin
邵斌
LI, Chong
李冲
Title: METHOD FOR PREPARING GLYCERIDE TYPE POLYUNSATURATED FATTY ACIDS
Abstract:
The present invention relates to a method for preparing glyceride type polyunsaturated fatty acids. The preparation method comprises: firstly mixing a basic catalyst with glycerol or a glyceride uniformly; then adding the mixture to the raw materials of polyunsaturated fatty acids slowly, and carrying out an esterification reaction under certain conditions to obtain glyceride type polyunsaturated fatty acids, wherein the basic catalyst is a lower aliphatic alcohol sodium/potassium or a solution thereof. The preparation method has the following advantages: the procedure of the process is simple, has mild reaction conditions, short reaction time, high yield and good quality of the obtained products.