Acta Cryst. (2004). E60, o1314-o1315 [ doi:10.1107/S1600536804016289 ]
Abstract: The reaction of phosphorus pentachloride with p-tert-butylphenyl salicylate yielded the title compound, C17H17Cl4O3P, which was originally thought to contain a P-O-C heterocycle. The true molecular structure has now been established by the determination of its crystal structure.
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