نتایج جستجو برای: semicarbazones

تعداد نتایج: 186  

2010
Anita Singh C. Pande P. Gahtori S. N. Pandeya J. P. Stables

In the present study, a series of 4-(4-substituted aryl) semicarbazones were synthesized from substituted anilines and subsequently evaluated for their anticonvulsant activities. The anticonvulsant activities were established by the anticonvulsant drug development (ADD) programme NIH, USA using experimental animal, adult male FCM mice (20-25 g) and adult Sprague-Dawley rats (100-150 g) and scre...

2008
Safa’a Fares Kayed Yang Farina Jim Simpson

The title compound, C(13)H(15)N(3)S(2), crystallizes with two unique mol-ecules, A and B, in the asymmetric unit. These differ principally in that the methyl group of the 4-ethyl-thio-semicarbazone moiety is ordered in mol-ecule A but disordered over two positions with equal occupancies in mol-ecule B. The benzothio-phene group and the semicarbazone unit are inclined at dihedral angles of 11.78...

2010
M. R. Vikneswaran Siang Guan Teoh Chin Sing Yeap Hoong-Kun Fun

The asymmetric unit of the title compound, [Fe(C(5)H(5))(C(7)H(8)N(3)S)], consists of two crystallographically independent mol-ecules, A and B. The cyclo-penta-dienyl (Cp) rings in both mol-ecules adopt an eclipsed conformation and are parallel to each other, forming dihedral angles of 2.5 (3) and 1.1 (3)°, respectively. The mean plane of the semicarbazone group is coplanar with the attached Cp...

Journal: :iranian chemical communication 2016
hemant vilas chavan dnyaneshwar m. sirsat yoginath b. mule

an environmentally benign and clean synthesis of aryl-hydrazones by reacting variety of carbonyl compounds with thiosemicarbazide, semicarbazide, aminoguanidine, and phenyl hydrazine has been achieved using aqueous extract of acacia concinna pods as a natural surfactant type catalyst. we found that the aqueous extract of acacia concinna pods could be effectively used for the synthesis of aryl-h...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2004
ram k. agarwal surendra prasad n.k. sharma

the present work describes the studies on the coordination behaviour of 4[n-(benzalidene) amino]antipyrine semicarbazone (baaps) (i), 4[n-(furfural)amino]antipyrine semicarbazone (ffaaps) (ii) and 4[n-(cinnamalidene)amino]antipyrine semicarbazone (caaps) (iii) in presence of dimethyl sulfoxide (dmso) or diphenyl sulfoxide (dpso) towards th4+ and uo22+ salts. all the complexes were isolated in n...

Journal: :The Biochemical journal 1986
D H Rich M A Brown A J Barrett

Human cathepsin B was purified by affinity chromatography on the semicarbazone of Gly-Phe-glycinal linked to Sepharose 4B, with elution by 2,2'-dipyridyl disulphide at pH 4.0. The product obtained in high yield by the single step from crude starting material was 80-100% active cathepsin B. The possibility that this new form of affinity chromatography may be of general usefulness in the purifica...

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