نتایج جستجو برای: transamidation
تعداد نتایج: 189 فیلتر نتایج به سال:
Zirconocene dichloride (Cp(2)ZrCl(2)) has been shown to be an effective catalyst for the transamidation of primary amides with amines in cyclohexane at 80 °C in 5-24 hours. For favourable substrates, the reaction can be performed at temperatures as low as 30 °C.
conclusions the biosurfactants inhibited the growth of organisms such as pseudomonas aeruginosa, staphylococcus aureus, klebsiella pneumonia and escherichia coli with diethanolamide biosurfactant exhibiting better antibacterial activity than sulphated diethanolamide. results the iodine and saponification values of citrullus lanatus oil were 118.50 ± 0.80 g iodine/100g and 199.10 ± 2.40 mgkoh/g ...
Simple borates serve as effective promoters for amide bond formation with a variety of carboxylic acids and amines. With trimethyl or tris(2,2,2-trifluoroethyl) borate, amides are obtained in good to excellent yield and high purity after a simple work-up procedure. Tris(2,2,2-trifluoroethyl) borate can also be used for the straightforward conversion of primary amides to secondary amides via tra...
Transglutaminase 2 (TG2) belongs to a family of calcium-dependent enzymes that catalyze transamidation reaction, producing polymerized, polyaminated or deamidated proteins. Recently, a growing number of viral proteins as well as cellular proteins with which they interact have been found to be modified by TG2, suggesting a novel function for TG2 in viral pathogenesis. This review summarizes the ...
Gln-tRNA is synthesized from Glu-tRNA in most microorganisms by a tRNA-dependent amidotransferase in a reaction requiring ATP and an amide donor such as glutamine. GatDE is a heterodimeric amidotransferase that is ubiquitous in Archaea. GatD resembles bacterial asparaginases and is expected to function in amide donor hydrolysis. We show here that Methanothermobacter thermautotrophicus GatD acts...
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