Abstract C 24 H 26 ClO 2 P, monoclinic, P 2 1 / c (no. 14), a = 9.3810(7) Å, b = 20.0222(18) Å, c = 12.0125(9) Å, β = 99.596(2)°, V = 2224.7(3) Å 3 , Z = 4, R gt ( F ) = 0.0424 wR ref (F 2 ) = 0.1016, T = 293 K.
Zhang et al. (Wed,) studied this question.