Title of article :
A facile protocol for the preparation of 5-alkylidene and 5-imino substituted hydantoins from N,N′-disubstituted parabanic acids
Author/Authors :
Ung?ren، نويسنده , , ?evket Hakan and Kani، نويسنده , , ?brahim and Günay، نويسنده , , Ahmet، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2012
Abstract :
A convenient procedure for the preparation of various substituted (thio)hydantoins is described. The method is based on Wittig and aza-Wittig reactions of parabanic acids with phosphonium ylides. The reactions occurred both regio- and stereo-selectively.
Keywords :
Wittig reactions , Hydantoins , Imidazolidine , Parabanic acid derivatives , Iminophosphoranes
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters
