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...
Herein we report the reactivity of N-(2,4-dicyano-1,5-dimethyl-3-arylcyclopenta-2,4-dienyl)-2,2,2- trifluoroacetamides and N,N-dimethyl-4-nitrosoaniline which provide compounds derived from Ehrlich-Sachs condensation,...
Project supported by the National Natural Science Foundation of China (No. 20672059).
The reactions of the mixture of 1- and 2-[2,2-bis(3,5-dimethylpyrazol-l-yl)-1-phenylethyl]-1,3-cyclopentadiene (bpzpcpH) and mixture of 1- and 2-[2,2-bis(3,5-dimethylpyrazol-l-yl)-I,l-diphenylethyl]-l,3-cyclopen...
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...