Triphenylphosphoranylidene Substituted Heterocycles as Versatile Intermediates
作者:Alan R. Katritzky、Adam S. Vincek、Peter J. Steel
DOI:10.3987/com-08-s(f)12
日期:——
Preparation of heterocyclic phosphorus ylides containing the tetramic acid ring system and seven-membered ring vinylogues
作者:R.Alan Aitken、Gillian M Buchanan、Nazira Karodia、Tracy Massil、Robert J Young
DOI:10.1016/s0040-4039(00)01905-5
日期:2001.1
Pyrolysis of amino acid-derived (α-aminoacyl)(ethoxycarbonyl)ylides results in ring closure with extrusion of ethanol to give novel five-, six- and seven-membered ring heterocyclic ylides.