The Synthesis and Purification of the Carbamoylmethylphosphine Oxides*
- 1 December 1987
- journal article
- research article
- Published by Taylor & Francis in Solvent Extraction and Ion Exchange
- Vol. 5 (6), 1075-1116
- https://doi.org/10.1080/07366298708918611
Abstract
The details of the synthesis and purification of symmetrical and unsymmetrlcal carbamoylmethylphosphine oxides (CMPO 's) are described. The approaches used to provide a variety of substitution patterns around the two potential donor groups include the Arbusov, Michaelis-Becker and Grignard reactions. Several methods for purifying the extractants were studied. The use of acidic and basic ion exchange resins in conjunction was developed for the removal of acidic impurities which are very troublesome to the extraction performance of these compounds.Keywords
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