Cyclic Phosphine Oxides and Phosphinamides from Di-Grignard Reagents and Phosphonic Dichlorides: Modular Access to Annulated Phospholanes
作者:Aaron M. Gregson、Steven M. Wales、Stephen J. Bailey、Anthony C. Willis、Paul A. Keller
DOI:10.1021/acs.joc.5b01476
日期:2015.10.2
The reaction between 1,4-di-Grignard reagents and phosphonous(III) dichlorides is a classical method for the direct synthesis of phospholanes. Reported here is an extension of this approach to the preparation of value-added, annulated phospholane oxides, achieved through the combination of carbocyclic-fused di-Grignardreagents and readily available phosphonic(V) dichlorides. The procedure is amenable