the support of the Research Council of Iran University of Science and Technology, Tehran, Iran
A three-component condensation was applied for the preparation of cyclopentadiene derivatives through the reaction of primary amines,alkyl propiolate and dialkyl acetylenedicarboxylate in the presence of catalytic amo...
theNationalNaturalScienceFoundationofChina (No .2 0 0 72 0 33)andtheSpecializedResearchFundfortheDoctoralProgramofHigherEducation
Promoted by samarium diiodide in THF, the α,β-unsaturated alkynones were reduced to afford intermolecular reductive coupling products. The multiply substituted cyclopentadienes were prepared conveniently in good yie...