Sentence examples for Two esters from inspiring English sources

Orthophosphate diesters have two esters per phosphate, and include phospholipids, lipoteichoic acids, RNA and DNA.

It suggests that the two esters tested are good acyl donors for the enzymatic N-acylation of 7-ACA.

Within the test range of this work, both of the two esters exhibited evident cool flame behavior.

The k2 values for the two esters have been re-evaluated using our pH-titration technique described elsewhere[4].

Novel multi-point receptors which have a calix[4]arene skeleton, two esters, and two bipyridine moieties with a polyether chain were designed and synthesized.

Regarding the chemical action, five VOC are tested, two ketones: acetone and butanone, two esters: methyl-butyrate and methyl-valerate, one aldehyde: butyraldehyde.

The two ester methyl protons were recorded as a triplet integrated for six protons at δH 1.41 ppm.

The occurrence of a dicarboxylic acid resulting from hydrolysis at the two ester groups was confirmed by chiral HPLC chromatograms [22].

Its 13C NMR spectrum revealed no signals on the sp-carbon regions confirming the success of the cycloaddition reaction, and two characteristic signals appeared at δC 158.72 and 160.33 ppm attributed to the two ester carbonyl carbons (C=O).

This was followed by condensation reaction between two ester dimmers to form PES. PES was characterized by gel permeation chromatography, FTIR, 1H-NMR, differential scanning calorimetry, and X-ray diffraction.

This is accompanied by the cleavage of the two ester linkages (to give carboxylic acids) since the reaction is taking place in an acidic medium at a slightly elevated temperature.