Stepwise syntheses of tri- and tetraphosphaporphyrinogens
作者:Duncan Carmichael、Aurélie Escalle-Lewis、Gilles Frison、Xavier Le Goff、Eric Muller
DOI:10.1039/c1cc15421d
日期:——
A double ring-expansion methodology allows the stepwise synthesis of tri- and tetra-phosphaporhyrinogens. Structural and calculational methods reveal extended delocalisation about their phospholide centres.