Reaction</span><span style="font-family:""><span style="font-family:Verdana;"> of ethyl (Z)-3-(heteroaryl/aryl)-2-((triphenyl-</span><i><span style="font-...Reaction</span><span style="font-family:""><span style="font-family:Verdana;"> of ethyl (Z)-3-(heteroaryl/aryl)-2-((triphenyl-</span><i><span style="font-family:Verdana;">λ</span></i><sup><span style="font-family:Verdana;">5</span></sup><span style="font-family:Verdana;">-phosphaneylidene) amino) acrylates intermediates with 2,3-thiophenedicarboxaldehyde w</span></span><span style="font-family:Verdana;">as</span><span style="font-family:Verdana;"> used</span><span style="font-family:Verdana;"> in novel Tandem three consecutive reactions: aza-Wittig, imine condensation and electrophilic heteroaromatic cyclization to obtain a series of indolizines. A tentative mechanism of this reaction is proposed.展开更多
文摘Reaction</span><span style="font-family:""><span style="font-family:Verdana;"> of ethyl (Z)-3-(heteroaryl/aryl)-2-((triphenyl-</span><i><span style="font-family:Verdana;">λ</span></i><sup><span style="font-family:Verdana;">5</span></sup><span style="font-family:Verdana;">-phosphaneylidene) amino) acrylates intermediates with 2,3-thiophenedicarboxaldehyde w</span></span><span style="font-family:Verdana;">as</span><span style="font-family:Verdana;"> used</span><span style="font-family:Verdana;"> in novel Tandem three consecutive reactions: aza-Wittig, imine condensation and electrophilic heteroaromatic cyclization to obtain a series of indolizines. A tentative mechanism of this reaction is proposed.