18 resultados para Lewis, Tayler, 1802-1877.
Resumo:
掺杂元素的Lewis酸强度对掺杂In_2O_3电性质的影响文世杰G.Campet(LawrenceBerkeleyLaboratory,BerkeleyCA94720,USA)(LaboratoiredeChemieduSolideduCNRS,Uni...
Resumo:
Lewis acid assisted ring-closing olefin metathesis (RCM) of chiral diallylamines, using the second generation RCM ruthenium-based catalyst, leads to enantiopure pyrrolidine derivatives in 79-93% yields under very mild conditions. The scope of the olefin metathesis has been expanded.