A kinetic study of phosphinic carboxylic mixed anhydrides
- 1 January 1985
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- p. 1617-1622
- https://doi.org/10.1039/p19850001617
Abstract
Using 32.4 MHz 31P n.m.r. spectroscopy, disproportionation of a series of phosphinic carboxylic mixed anhydrides derived from protected α- amino acids has been studied both as a function of the substituents at phosphorus and structure of the α-amino acid being activated. It was found that the rates of disproportionation were insignificant from a preparative aspect compared with aminolysis at 0 °C.Keywords
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