Silyl Effects on 1,3-Diphosphacyclobutane-2,4-diyl: Ring-Opening of Tetrahydrofuran and Promotion of Reductive PC Cleavage
作者:Shigekazu Ito、Trang Thi Thu Ngo、Koichi Mikami
DOI:10.1002/asia.201300564
日期:2013.9
Mind your “P”s: Silylated P‐heterocyclic biradicals activated tetrahydrofuran to give the corresponding 4‐siloxybutyl‐substituted 1,3‐diphosphacyclobutane‐2,4‐diyls via ring‐opening of the solvent molecule. ReductivePC bond cleavage was found as an alternative approach to 1,3‐diphosphacyclobuten‐4‐yl anion. Redox properties of the new P‐heterocyclic biradicals were discussed in terms of hitherto