Alkylation of Phospha-ylid Complexes. Application to the Synthesis of 1-Chlorophosphirane
- 1 January 1991
- journal article
- letter
- Published by Georg Thieme Verlag KG in Synlett
- Vol. 1991 (10) , 743-744
- https://doi.org/10.1055/s-1991-34766
Abstract
[Phenyl(tributylphosphoranylidene)phosphine]pentacarbonyltungsten, W(CO)5(Bu3P=PPh), reacts with iodomethane and methanol to give [phenyl(methyl)(methoxy)phosphine]-pentacarbonyltungsten via initial alkylation of the complexed phosphorus atom and cleavage of the P-P bond. Self-alkylation spontaneously takes place in 4-chlorobutyl- and 2-chloroethyl(tributylphosphoranylidene)phosphine-tungsten complexes, leading to (1-chlorophospholane)pentacarbonyltungsten and to free 1-chlorophosphirane, respectively.Keywords
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