Lactic acid derivative, liquid crystal composition containing same and liquid crystal device
申请人:CANON KABUSHIKI KAISHA
公开号:EP0175591A2
公开(公告)日:1986-03-26
An optically active lactic acid derivative represented by the following formula (I):
wherein R is a saturated or unsaturated hydrocarbon group of a linear, branched or cyclic structure having 4 to 20 carbon atoms; Ra is -CO-Rb or -CH2-Rc wherein Rb is a releasable chemically active group, and Rc is a releasable chemically active group; and C with * represents an asymetric carbon atom.
下式(I)所代表的光学活性乳酸衍生物:
其中 R 是具有 4 至 20 个碳原子的线性、支链或环状结构的饱和或不饱和烃基;Ra 是-CO-Rb 或-CH2-Rc,其中 Rb 是可释放的化学活性基团,Rc 是可释放的化学活性基团;带 * 的 C 代表不对称碳原子。
US5143643A
申请人:——
公开号:US5143643A
公开(公告)日:1992-09-01
Coupling high yield biochemical intermediates for fuel production
申请人:National Technology & Engineering Solutions of Sandia, LLC
公开号:US12054685B1
公开(公告)日:2024-08-06
A chemical upgrading of two high-yield fermentation products to produce a novel biofuel with properties desirable for use in internal combustion engines produces a C
7
to C
22
alkoxyalkanoate corresponding to formula (I):
wherein R
2
and R
1
are alkyl groups independently selected to have 2 to 18 carbon atoms;
wherein the R
3
group is a C
1
to C
5
group divalent alkyl group. The alkoxyalkanoate can be used as a neat fuel or blend with biodiesel, diesel, gasoline, ethanol or other fuels. The alkoxyalkanoates have improved cloud point properties over diesel fuels. A method for making the alkoxyalkanoate from a biomass source is also disclosed.