نتایج جستجو برای: tetrazole derivatives
تعداد نتایج: 105468 فیلتر نتایج به سال:
Cypermethrin a widely used insecticide of Pyrethroids (type II) group, was administered in mice at two dose levels (1/10 of LD50 i.e. 2.5 mg/kg and 1/5 of LD50 i.e. 5.0 mg/kg) and pharmacodynamic interactions of insecticide were studied with centrally acting drugs viz. pentobarbital sodium, amphetamine, pentylenetetrazole, acepromazine and analgin. Cypermethrin pretreatment potentiated the acti...
Mukesh C. Sharma Dept. of Pharmaceutical Sciences, Dr.Hari Singh Gour University Sagar (M.P) 470003 India Department of Chemistry Yadhunath Mahavidyalya Bhind (M.P) 477001 India Email: [email protected] Abstract In this study we have synthesized some Benzimidazole derivatives (2-{6Chloro-5-nitro-1-[2-(1H-tetrazol-5-yl) biphenyl-4-ylmethyl] 1Hbenzoimidazol-2-yl}-phenyl)-(Substituted-benzyl...
An improved method of the synthesis of flavanones catalyzed by pyrrolidine and BF(3) ·Et(2) O has been developed and a lot of flavanones could be easily synthesized via this method. The asymmetric synthesis of flavanone from benzaldehyde and 5-fluoro-2-hydroxyacetophenone has been studied and flavanone with moderate enantioselectivity was obtained in one step.
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