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Activity-directed fractionation and purification processes were employed to identify xanthine oxidase (XO) inhibitory compounds from the leaves of Perilla frutescens. The total extract was evaluated… (More)
Abstract Fischer-Tropsch (FT) synthesis is gaining increased interest because of the need of high purity diesel fuels and lubricating oil. The cobalt-based catalyst is well known for its activity in… (More)
A highly stereoselective synthesis of E-isomer of aldoximes was developed through a base-catalysed domino aza-Michael/retro-Michael reaction of hydroxylamine and 2-(R-benzylidene)malononitrile. This… (More)
A series of 21 new tri- and tetra-cyclic thiosemicarbazone derivatives were prepared via the condensation of morpholine, piperazine or N-(4-methoxyphenyl)piperazine with seven methyl… (More)
Seven compounds (3a-g) of 3,6-bis(substitutedphenyl)-1,4-bis(substitutedphenylsulfonyl)-1,4-dihydro-1,2,4,5-tetrazine were synthesised via reaction of N-arylsulfonyl-a-chloro-substituted phenyl… (More)
OBJECTIVE To observe anti-osteoporotic effect of Plants of Camelia genus induced by retinoic acid in rats, in adqulis crude drug dosage, and to compare activities of them. METHODS Extracts of… (More)
A series of thiazolyl-chalcones (V) (37 examples) is designed, synthesized via a Claisen—Schmidt condensation, and evaluated for their anticancer activity.