Three-component reaction of triphenylphosphine, dialkyl but-2-ynedioate and arylidene pivaloylacetonitrile for diastereoselective synthesis of densely substituted 2,3-dihydrofurans
Keywords: 2،3-دی هیدرو فوران; Multicomponent reaction; Triphenylphosphine; But-2-ynedioate; Pivaloylacetonitrile; 2,3-Dihydrofuran;