Results 101 to 110 of about 44,050 (359)
Molecules, 2015 Coumarin derivatives containing pyrazolo[1,5-a]pyrimidine, tetrazolo[1,5-a]pyrimidine, imidazo[1,2-a]pyrimidine, pyrazolo[3,4-d]pyrimidine, 1,3,4-thiadiazoles and thiazoles were synthesized from 6-bromo-3-(3-(dimethylamino)acryloyl)-2H-chromen-2-one ...
Sobhi M. Gomha +2 more
doaj +1 more source
Ecology and Evolution of Soil Nematode Chemotaxis [PDF]
, 2018 Plants influence the behavior of and modify community composition of soil-dwelling organisms through the exudation of organic molecules. Given the chemical complexity of the soil matrix, soil-dwelling organisms have evolved the ability to detect and ...
Ali, Jared +3 more
core
Expanding the Repertoire of Photoswitchable Unnatural Amino Acids for Enzyme Engineering
Angewandte Chemie International Edition, EarlyView.Enzyme engineering with photoswitchable unnatural amino acids (psUAAs) has a high potential for applications such as biocatalysis. Here, we extend the current repertoire of psUAAs to include more versatile properties paving the way to more advanced photocontrol engineering.
Caroline Hiefinger +11 more
wiley +1 more source
Selective anti-malarial minor groove binders [PDF]
, 2016 A set of 31 DNA minor groove binders (MGBs) with diverse structural features relating to both physical chemical properties and DNA binding sequence preference has been evaluated as potential drugs to treat Plasmodium falciparum infections using a ...
Avery, Vicky M. +4 more
core +1 more source
COX Inhibition Profile and Molecular Docking Studies of Some 2-(Trimethoxyphenyl)-Thiazoles
Molecules, 2017 Non-steroidal anti-inflammatory drugs (NSAIDs) are commonly used therapeutic agents that exhibit frequent and sometimes severe adverse effects, including gastrointestinal ulcerations and cardiovascular disorders.
S. Oniga +7 more
semanticscholar +1 more source
Synthesis of 4-(2-Methylthiazol-4-yl)-Hexahydroquinoline and 1,4-Dihydropyrimidin Derivatives [PDF]
Journal of Sciences, Islamic Republic of Iran, 2011 A series of new hexahydroquinoline and 1,4-dihydropyrimidine derivatives were synthesized. Condensation of 2-methyl- thiazole-4-carboxaldehyde (1) with 1,3-cyclohexanedione and alkyl 3- aminocrotonate afforded 4-(2-methyl-thiazol-4-yl)-hexahydroquinoline
A. Shafiee
doaj
Molecules, 2016 A novel series of 1,3,4-thiadiazoles, 5-arylazothiazoles and hexahydropyrimido-[4,5-d][1,2,4]triazolo[4,3-a]pyrimidines were synthesized via reaction of hydrazonoyl halides with each of alkyl carbothioates, carbothioamides and 7-thioxo-5,6,7,8 ...
Abdou O. Abdelhamid +3 more
doaj +1 more source
Optimizing headspace temperature and time sampling for identification of volatile compounds in ground roasted Arabica coffee [PDF]
, 2001 Equilibration time and temperature were the factors studied to choose the best conditions for analyzing volatiles in roasted ground Arabica coffee by a static headspace sampling extraction method. Three temperatures of equilibration were studied: 60, 80,
Ansorena-Artieda, D. (Diana) +3 more
core
Palladium-catalysed amination of 2-acyl-1-alkyl-5-bromopyrroles [PDF]
, 2004 The first intermolecular C–N bond-forming reactions between substituted 2-bromopyrroles and primary and cyclic secondary amines were performed using Pd2(dba)3 as catalyst with BINAP as the ligand.
Castellote Álvaro, María Isabel +2 more
core +2 more sources
, 2015 A series of thiazoles (III) and (V), 1,3-thiazines (IX), and thiazolidine (VII) is prepared in the presence of an environmentally friendly basic chitosan-grafted-poly(vinylpyridine) catalyst.
S. Riyadh +3 more
semanticscholar +1 more source