Schneider, Justus Liebigs Annalen der Chemie, 1923, vol. 432, p. 299,307
作者:Schneider
DOI:——
日期:——
Phosphabenzenes as electron withdrawing phosphine ligands in catalysis
作者:Erin F. DiMauro、Marisa C. Kozlowski
DOI:10.1039/b101454o
日期:2002.1.23
The utility of phosphabenzenes as ligands in late transition metal catalysis is examined. Molecular orbital calculations indicate that phosphabenzenes possess a low lying LUMO permitting π-back bonding interactions. The resultant electron withdrawing nature of the phosphabenzenes is beneficial for reactions in which reductive elimination steps are rate-limiting. For example, phosphabenzenes were found to function well in nickel catalyzed [4 + 2] cycloadditions.