4-Aryl/alkyl-3, 4-dihydro-2(1H)-pyrimidone esters and 5-acetyl-4-aryl/or alkyl-6-methyl- 3, 4-dihydropyrimidin-2(1)-ones were synthesised efficiently using montmorilloniteclay- SmCl3 6H2O system promoted by microwave ...4-Aryl/alkyl-3, 4-dihydro-2(1H)-pyrimidone esters and 5-acetyl-4-aryl/or alkyl-6-methyl- 3, 4-dihydropyrimidin-2(1)-ones were synthesised efficiently using montmorilloniteclay- SmCl3 6H2O system promoted by microwave irradiation in solventless condition.展开更多
The reduction of diphenyl ditelluride by the Sm/CrCl 3(cat.) system led to a telluride anion. This species reacted with acid chlorides, alkyl halides, and α,β unsaturated enoates or α,β unsaturated ene nitriles to...The reduction of diphenyl ditelluride by the Sm/CrCl 3(cat.) system led to a telluride anion. This species reacted with acid chlorides, alkyl halides, and α,β unsaturated enoates or α,β unsaturated ene nitriles to afford telluroesters and unsymmetrical phenyltellurides, respectively, in moderate to good yields under mild and neutral conditions.展开更多
文摘4-Aryl/alkyl-3, 4-dihydro-2(1H)-pyrimidone esters and 5-acetyl-4-aryl/or alkyl-6-methyl- 3, 4-dihydropyrimidin-2(1)-ones were synthesised efficiently using montmorilloniteclay- SmCl3 6H2O system promoted by microwave irradiation in solventless condition.
基金theNationalNaturalScienceFoundationofChina (No .2 9872 0 10 )theNaturalScienceFoundationofZhejiangProvince China (No .2 980 6 7)
文摘The reduction of diphenyl ditelluride by the Sm/CrCl 3(cat.) system led to a telluride anion. This species reacted with acid chlorides, alkyl halides, and α,β unsaturated enoates or α,β unsaturated ene nitriles to afford telluroesters and unsymmetrical phenyltellurides, respectively, in moderate to good yields under mild and neutral conditions.
