نتایج جستجو برای: methyl thiazole tetrazolium test

تعداد نتایج: 922429  

Journal: : 2022

Symmetric and asymmetric chalcogenides of organic nature are a class organometallic compounds that widely used as intermediates in number reactions, ligands the chemistry coordination compounds, they have wide range biological activity. Diaryl tellurides, which important for formation new carbon-carbon bonds, special area organotelluric compounds. The synthesis representatives this tellurium-co...

Journal: :Applied Microbiology 1954

Journal: :Applied Microbiology 1954

Journal: :Journal of bacteriology 1968
T Kawasaki T Nakata Y Nose

The pathway of thiamine biosynthesis in Escherichia coli from its pyrimidine and thiazole moieties involves four enzymes (Y. Nose et al., J. Vitaminol. Kyoto 10:105, 1964): hydroxymethylpyrimidine kinase (EC 2.7.1.49), phosphohydroxymethylpyrimidine kinase (EC 2.7.4.7), thiazole kinase (EC 2.7.1.50), and thiamine phosphate pyrophosphorylase (EC 2.5.1.3). A mutant of E. coli W auxotrophic for th...

Journal: :Organic & biomolecular chemistry 2013
Sebastian Barrois Hans-Achim Wagenknecht

The combination of thiazole orange (TO) and thiazole red (TR) as an internal pair of fluorescent DNA base surrogates ("DNA traffic lights") allows us to follow at least two consecutive DNA strand displacements in real time through a distinct fluorescence colour change from green to red and vice versa.

2002
E. Szöcs A. Shaban E. Kálmán

The study of the effectiveness of several potential copper corrosion inhibitors in acidic media was studied. The investigated thiazole derivative functional groups contain heterocyclic atoms such as nitrogen, sulfur, and oxygen. Thiazole derivatives, 5-benzylidene-2,4-dioxotetrahydro-1,3-thiazole (BDT) 5-(4′-isopropylbenzylidene)-2,4-dioxotetrahydro-1,3-thiazole (IPBDT), 5-(3′-thenylidene)-2,4-...

Journal: :Molecules 2013
Hui Zheng Yi-Jia Mei Kui Du Xian-Ting Cao Peng-Fei Zhang

A novel chemoenzymatic one-pot multicomponent synthesis of thiazole derivatives was developed. A series of thiazole derivatives were synthesized with high yields up to 94% under mild enzyme-catalyzed conditions. The blank and control experiments reveal that trypsin from porcine pancreas (PPT) displayed great catalytic activity to promote this reaction and showed a wide tolerance range towards d...

2014
Elham S. Darwish Azza M. Abdel Fattah Fawzy A. Attaby Oqba N. Al-Shayea

This study aimed for the synthesis of new heterocyclic compounds incorporating sulfamoyl moiety suitable for use as antimicrobial agents via a versatile, readily accessible N-[4-(aminosulfonyl)phenyl]-2-cyanoacetamide (3). The 2-pyridone derivatives were obtained via reaction of cyanoacetamide with acetylacetone or arylidenes malononitrile. Cycloaddition reaction of cyanoacetamide with salicyal...

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