VOLUME PROFILES AND MECHANISMS FOR THE ALKALINE DECOMPOSITION OF PHOSPHONIUM SALTS AND PHOSPHATE ESTERS

DOI: 10.1016/S0040-4039(00)84218-5

Source and publish data:

Tetrahedron Letters p. 1209 - 1210 (1986)

Update date:2022-08-25

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Authors:

Isaacs, Neil S.

Abed, Obeid Hassan

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Article abstract of DOI:10.1016/S0040-4039(00)84218-5

Volumes of activation have been measured for the alkaline decomposition of triphenylbenzylphosphonium and triphenyl(p-nitrobenzyl)phosphonium ions which lead to the formation of triphenylphosphine oxide and the toluene.The rates of reaction are very strongly retarded by pressure, volumes of activation are +32 cm³mol^-1 while the volume of reaction is +16.This accords with a two- or three-step mechanism, involving desolvation and fragmentation each of which contributes an increase in volume.Diethyl(p-nitrophenylphosphate hydrolyses by a B_Ac2 mechanism, Δ V<*>= -16.

Full text of DOI:10.1016/S0040-4039(00)84218-5

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VOLUME PROFILES AND MECHANISMS FOR THE ALKALINE DECOMPOSITION OF PHOSPHONIUM SALTS AND PHOSPHATE ESTERS

DOI: 10.1016/S0040-4039(00)84218-5

Source and publish data:

Authors:

Article abstract of DOI:10.1016/S0040-4039(00)84218-5

Full text of DOI:10.1016/S0040-4039(00)84218-5

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