Sequential decarboxylative azomethine ylide cycloaddition—palladium catalysed hydrostannylation–cyclisation-anion capture processes
作者:Ronald Grigg、Martin F Jones、Michelle McTiernan、Visuvanathar Sridharan
DOI:10.1016/s0040-4020(01)00772-4
日期:2001.9
generation of azomethine ylides, from secondary acyclic and cyclic α-amino acids, and their 1,3-dipolar cycloaddition, with regioselective palladium catalysed hydrostannylation of terminal alkynes, and subsequent cyclisation-anion capture of the organostannane is described. A major increase in molecular complexity results with the formation of 5 bonds, 5 stereocentres, 2 rings and 1 tetra-substituted carbon
亚胺离子诱导仲无环和环状α-氨基酸偶氮次甲基的脱羧生成及其1,3-偶极环加成与区域选择性钯催化末端炔烃的加氢锡烷基化反应和随后环化阴离子捕获的新型战术组合描述了有机锡烷。分子复杂性的大幅增加导致形成5个键,5个立体中心,2个环和1个四取代的碳中心。