Abstract
IT has recently been shown1 that electron-donating solvents such as diethyl phthalate (DEP) provide a convenient route to the synthesis of alkylphosphonic dichlorides from the complex formed by combination of an alkyl halide, phosphorus trichloride, and aluminium chloride2. It has since been found that alkylphosphonous dichlorides may be synthesized from similar solutions of the complex by reduction with finely powdered antimony. The reaction scheme is : 
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References
Reesor, J. B., Perry, B. J., and Sherlock, E., Canad. J. Chem. (Sept. 1960).
Kinnear, A. M., and Perren, E. A., J. Chem. Soc., 3437 (1952).
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FERRON, J., PERRY, B. & REESOR, J. A New Synthetic Route to Alkylphosphonous Dichlorides. Nature 188, 227–228 (1960). https://doi.org/10.1038/188227b0
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DOI: https://doi.org/10.1038/188227b0
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