申请人:Elevance Renewable Sciences, Inc.
公开号:US20150307469A1
公开(公告)日:2015-10-29
A method is disclosed for making an unsaturated glycitan ester by reacting intramolecular condensates of glycitols having four or more carbons with a metathesis-derived unsaturated fatty acid in the presence of an alkaline catalyst and under conditions sufficient to form the aforesaid unsaturated glycitan fatty ester. A composition is also disclosed comprising a compound of the following structure:
wherein R
1
is hydrogen, alkyl, aryl or (CH
2
)
1-9
—COOR
5
; wherein R
5
is
wherein R
2
, R
3
and R
4
are hydrogen, or —(O)C—(CH
2
)
m
—CH═CH—R
1
or —(CH
2
CH
2
O)
n
H or mixtures thereof; wherein m is 1 to 9; and wherein n is 1 to 100.
本方法涉及通过在碱性催化剂存在下,在足够条件下与来自交换反应的不饱和脂肪酸反应的具有四个或更多碳的甘露醇的分子内缩合物反应,制备不饱和的甘露醇脂肪酸酯。本发明还涉及一种化合物,其结构如下:其中R1为氢、烷基、芳基或(CH2)1-9—COOR5;其中R5为其中R2、R3和R4为氢,或—(O)C—(CH2)m—CH═CH—R1或—(CH2CH2O)nH或它们的混合物;其中m为1至9;其中n为1至100。