Novel insertion of the dioxophosphorane moiety (‘metaphosphonate’) into an aliphatic C–H bond via flash vacuum pyrolysis of a cyclic phosphonite and by oxidation of a diphosphene
作者:J. I. G. Cadogan、Alan H. Cowley、Ian Gosney、Marek Pakulski、Salih Yaslak
DOI:10.1039/c39830001408
日期:——
6-tri-t-butylpheny)-1,3,2-dioxaphospholane (1) gave 5,7-di-t-butyl-3,3-dimethyl-2,3-dihydro-1-hydroxy-1λ5-benzophosphol-1-one (4), 100% also produced by photo-oxidation of bis (2,4,6-tri-t-butylphenyl)diphosphene (3)via insertion of the dioxophosphorane (–PO2) moiety into a neighbouring C–H bond.
对2-(2,4,6-三叔丁基苯基)-1,3,2-二氧杂膦烷(1)进行快速真空热解,得到5,7-二叔丁基-3,3-二甲基-2,3二氢-1-羟基1λ 5 -benzophosphol -1-酮(4),100%也是由双(2,4,6-三-叔丁基苯基)diphosphene(的光氧化产生3)通过插入二氧代磷烷(–PO 2)部分进入相邻的C–H键。