Triethyl phosphite → Phosphinecarboxylic acid, diethoxy-, 4-chlorophenyl ester, oxide

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Reaction Steps

From 20 g (0.12 mole) of triethylphosphite and 19.1 g (0.10 mole) of 4-chlorophenyl chloroformate (prepared according to M. J. Zabik and R. D. Scheutz J. Org. Chem. 32 (1967) 300). (125°, 2 hours) yield 26.3 g (90%). B.P.0.01 153°-6°, nD21 1.4980. Analysis for C11H14Cl O5P. Found (calculated): C 44.85 (45.14), H 4.83 (4.82), P 10.54 (10.59). NMR (CDCl3)δ: 1.45 (t, CH3), 4.17-4.63 (CH2), 7.03-7.48 (C6H4).

Provenance & Evidence