نتایج جستجو برای: tetramethyl thiourea
تعداد نتایج: 4454 فیلتر نتایج به سال:
The first studies on thiourea in this department were undertaken for reasons quite apart from the purposes for which it is now used. It had been reported that this compound distributed itself uniformly throughout the fluids of the body, that it was excreted like urea and could be recovered in the urine, completely, unchanged.31 These characteristics, if they could be verified, would make thiour...
We demonstrate the importance of rational structural design pyrene-functionalized radical (i.e. 2,2,6,6-tetramethyl-1-piperidinyloxy, TEMPO) copolymers for enhanced electrochemical performance by providing insightful guidance designing high-performance polymer-based electrodes energy storage applications.
The effect of different thiourea (TU) concentrations (10 and 20 mM) on antioxidants, protease activity and protein content with and without H2O2 (50 mM) induced stress was investigated in wheat leaves. A gradual decrease in protein content with a peak at 72 hours was observed in stressed as well as control leaves. This gradual decrease in leaf protein content at different time intervals was com...
The synthesis of a composite material based on graphitic carbon nitride by pyrolytic decomposition at 550 °C mechanical mixture thiourea with the addition aluminum powder in amount 5–30 wt.% has been studied. According to scanning results means electron microscopy, energy dispersive X-ray spectroscopy, and diffractometry synthesized consists nitride, sulfide, residual metallic hydroxide. excess...
Michael addition is one of the most important carbon–carbon bond formation reactions. In this study, an (R, R)-1,2-diphenylethylenediamine (DPEN)-based thiourea organocatalyst was applied to asymmetric nitroalkenes and cycloketones produce a chiral product. The primary amine moiety in DPEN reacts with ketone form enamine activated through hydrogen between nitro group ?, ?-unsaturated nitroalken...
the urgent need of neuraminidase inhibitors (ni) has provided an impetus for understanding the structure requisite at molecular level. our search for selective inhibitors of neuraminidase has led to the identification of pharmacophoric requirements at various positions around acyl thiourea pharmacophore. the main objective of present study is to develop selective ni, with least toxicity and dru...
The purpose of this work is to study the interaction croton fraction with amides – urea and thiourea develop technologies for obtaining accelerators vulcanization rubbers rubber industry.
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