diester


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diester

[¦dī′es·tər]
(organic chemistry)
A compound containing two ester groupings.
References in periodicals archive ?
BEWARE, many generic Polyglycol/Ester blends turn out to be a Diester base with a minimum amount of Polyglycol.
Solvent CD[Cl.sub.3]: 26.23 and 26.11 (2 s, CHP diester end group), 25.44 (s, CHP repeating unit), 22.40 (s, CHP(O)OH end group), 10.00 (s, PH(O)OC[H.sub.3] end group), 9.31 (s, PH repeating unit), 4.88 (s, PH(O)OH end group).
A systematic study for optimizing the one-pot/three-component/two-stage CuAAC click SGP was performed on the example of click PE PE8E4 (Figure 4, k = 8,1 = 4): 620.8 mg (1.870 mmol) of di-(bromoacetic acid)-tetramethylene diester (E4B) and 267.4 mg (4.114 mmol, 10mol.% excess) of sodium azide were dissolved in a predetermined volume (a variable parameter) of a predetermined organic solvent (a variable parameter) and stirred at a predetermined temperature (a variable parameter) for a predetermined period of time (a variable parameter).
Boos, "Characteristics of a ugp-encoded and phoB-dependent glycerophosphoryl diester phosphodiesterase which is physically dependent on the ugp transport system of Escherichia coli.," Journal of Bacteriology, vol.
investigated the deterioration mechanism of diester aero lubricating oil at high temperatures.
Ma, "Content determination of four diester diterpenoid alkaloids in leaves of Aconitum kusnezoffii by HPLC," China Journal of Chinese Materia Medica, vol.
The mechanism of cross-linking was that the hydroxyl groups of the polysaccharide and the two carboxyl groups of the citric are cross-linked by covalent intermolecular diester linkages [3, 12].
The organic orthophosphate monoesters showed resonances from 3.8 to 5.2 ppm (Figure 1, inset) and the only diester P compound was detected in sample JN-05 (Figure 2) at -1.15 ppm at a very low resonance intensity and was attributed to nonhydrolyzed DNA [31, 32].
Rubber composition prepared by blending at least one rubber component selected from a natural rubber and/or a diene base synthetic rubber with silica and a glycerin fatty acid ester composition, wherein a blend amount of the glycerin fatty acid ester composition is 0.5 to 15 parts by mass based on 100 parts by mass of the rubber component; the fatty acid has 8 to 28 carbon atoms; the glycerin fatty acid ester composition contains glycerin fatty acid monoester and glycerin fatty acid diester; and a content of the glycerin fatty acid monoester in the glycerin fatty acid ester composition is 85% by mass or less.
The diester of the 4-methoxycinnamic acid extracted from leaves of carnauba reduced cholesterol and plasma triglycerides dyslipidemic when tested in animals induced by diet [16].
A natural sugar-borate ester, CF is a source of soluble boron, biologically active at the intracellular level as free boric acid and at the extracellular level as fructose borate, diester, and monoester.
TDF is an antiviral pro-drug acyclic nucleotide diester analog of adenosine monophosphate; the active drug is tenofovir-diphosphate.