Studies on organophosphorus compounds. Part 96. Nucleophilicity of the isocyano carbon atom in diethyl isocyanomethylphosphonate. First generation of a phosphorylated nitrile ylide and new syntheses of pyrrolinephosphonates and pyrrolephosphonates
作者:Wei-Sheng Huang、Yi-Xin Zhang、Chengye Yuan
DOI:10.1039/p19960001893
日期:——
Reactions of acyl chlorides with diethyl isocyanomethylphosphonate afford α-ketoimidoyl chlorides which, when treated with triethylamine, provide a new class of nitrile ylides. These species react in situ with alkenes by a 1,3-dipolar cycloaddition mechanism to give phosphoryl pyrrolines or pyrroles.
酰氯与异氰基甲基膦酸二乙酯的反应生成α-酮亚氨基酰氯,当用三乙胺处理时,可提供一类新的腈。这些物质通过1,3-偶极环加成机理与烯烃原位反应,得到磷酰基吡咯啉或吡咯。