PURPOSE:To advantageously obtain an ester, by carrying out dehydration reaction of a carboxylic acid with an alcohol or ester interchange reaction of an ester with carboxylic acid or alcohol using a hydrous oxide of a metal belonging to group III or IV of the periodic table as a catalyst. CON...
PURPOSE: To provide a hydrophobic immobilized modified enzyme immobilized on a photo-cross-linkable resin and provide a reaction process for synthesizing an ester in an organic solvent in the presence of the immobilized modified enzyme. ;CONSTITUTION: A hydrophobic enzyme modified with L-glutamic acid...
c This work: NiH-catalysed asymmetric hydroamidation of alkenyl boronates. Bpin, pinacol boronic ester. Full size image Recently, our group and others have disclosed an asymmetric hydrofunctionalization platform that uses olefins directly as nucleophiles and is enabled by a highly reactive chiral NiH...
Thus, other sulfur stereogenic centres, such as sulfinate ester, sulfinamide, sulfonimidate ester and sulfonimidamide, have started to attract attention. The diversity and complexity of these sulfur stereogenic centres have the potential to expand the chemical space for drug discovery6,7,8,9,10. ...
containing phosphorus and nitrogen-N,N-bis(2-hydroxyethyl acrylate) aminomethyl phosphonic acid diethylester (BHAAPE)-was first synthesized by the combination of the Kabachnik-Fields reaction and esterification, and then incorporated into epoxy acrylate (EA) resins through an ultraviolet (UV) curing ...
To improve the efficiency of the production of biodiesel (Fatty Acid Methyl Ester, FAME), a new production method for FAME is developed. The transesterification was carried out in a ultrasonic reactor using solid acid catalysts (cation-exchange resin or zeolite beta) under the atmospheric condition...
An Efficient Synthesis of Ethyl 7-Chloro-6-fluoro-l-methyl-4-oxo-1, 4-dihydro-[1, 3]thiazeto[3, 2-a]quinoline-3-carboxylate as Intermediate of the Pruliflo... MA S T,LOU H X.An efficient synthesis of ethyl7-chloro-6-fluoro-1-methyl-4-oxo-1,4-dihydro-[1,3]thiazeto[3,2-a...
This synthesis features a Pd(0)-catalyzed substitution reaction, a novel, mild reduction of an α-nitro ester to an amino acid ester, and an improved procedure for uracil ring formation.DOI: 10.1021/jo971711r 被引量: 141 年份: 2000 ...
Ambient-pressure alkoxycarbonylation for sustainable synthesis of ester Article Open access 07 September 2024 Introduction As an attractive C1 resource, CO2 can be converted to various kinds of value-added products1,2,3,4,5. Carboxylic acids are an important class of chemicals. Synthesis of carbox...
A series of 116 small-molecule 1-hydroxynaphthalene-2-carboxanilides was designed based on the fragment-based approach and was synthesized according to the microwave-assisted protocol. The biological activity of all of the compounds was tested on human c