18 resultados para Cass, Lewis, 1782-1866.


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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...

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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.