نتایج جستجو برای: benzyl phenylthiourea
تعداد نتایج: 8433 فیلتر نتایج به سال:
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Carbohydrate-integrated isoxazolines were synthesized from 2-nitroglycals and sulfur ylides, with the aid of 1-phenylthiourea catalyst. The reactions proceeded via [4+1] annulations and upon subsequent rearrangement, afforded the corresponding isoxazolines in high yields with excellent diastereoselectivities (up to 95% de).
[reaction: see text] A new access to benzhydryl-phenylureas is described. These new interesting urea derivatives were obtained by reaction of substituted benzils with substituted phenylureas under microwave irradiation. Phenylthiourea, when reacted with benzil, gave 3-phenyl-thiohydantoin. Moreover, benzylurea, as phenethylurea, gave the corresponding 3-substituted hydantoin derivatives, demons...
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Blood groups (ABO, Rh-including sub-types M-N, Duffy), secretor status and ability to taste Phenylthiocarbamide (PTC) were investigated in 102 medical students of Delhi University, and the distribution was found similar to that observed in the north Indians. Both faster and secretors had highest percentage in AB, O and in rr, while the lowest values were obtained in B and R1r.
Novel N-amino benzylthiolates were synthesized via multicomponent reaction of malononitrile, isothiocyanates and benzyl halides under conventional and solvent-free conditions. Various electron-donating and -withdrawing substitutes within both isothiocyanates and benzyl halides were used to demonstrate the efficiency of new methodology. A broad spectrum of antibacterial and antifungal activities...
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