The Acid-catalysed Hydrolysis of O-Methyl Dimethylthiophosphinate. Direct Evidence for Pentaco-ordinate Intermediate Formation in the Conversion of the P=S Ester into the P=O Ester
Hydrolysis of the title compound in strong acid leads not only to the phosphinic acid but also to methyl dimethylphosphinate which could only be formed by the intermediacy of a pentaco-ordinate species.
Evaluation of Phosphinic Acid Derivatives as Reagents For Amine Protection in Peptide Synthesis
The results of a kinetic study of the acid-catalysed methanolysis of a series of N-(2-phenyl-ethyl)phosphinamides incorporating selected substituents on phosphorus have been evaluated in order to define the optimum reagent and conditions for amine protection of α-amino acids during peptide synthesis.
Ramage, Robert,Atrash, Butrus,Hopton, David,Parrot, Maxwell J.
p. 1217 - 1226
(2007/10/02)
POSSIBLE EVIDENCE FOR A NEW MECHANISM FOR REACTION OF TRIMETHYLPHOSPHINE WITH DIOXYGEN
Evidence is presented suggesting that the mechanism for reaction of thrimethylphosphine with dioxygen proceeds through Me3PO2 as an intermediate.A mechanistic scheme is proposed to explain the products observed and the spectroscopic data obtained.
Burkett, H. D.,Hill, W. E.,Worley, S. D.
p. 169 - 172
(2007/10/02)
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