A new synthetic route to macrocycles : Synthesis of large ring enaminolactones
作者:F. Jourdain、J.C. Pommelet
DOI:10.1016/s0040-4039(00)76754-2
日期:1994.3
Macrocyclic enaminolactones 5 are prepared in three steps from commercialy available chloroalcohols 1. The cyclization step is performed by intramolecular nucleophilic addition of the hydroxy group to an aminomethyleneketene generated by thermolysis.