The crystal structure of ( E )-4-chloro-7-(diethylamino)-3-(3-oxo-3-phenylprop-1-en-1-yl)-2 H -chromen-2-one C 22 H 20 ClNO 3

Abstract C 22 H 20 ClNO 3 , monoclinic, P 2 1 / n (no. 14), a = 9.3891(4) Å, b = 11.0821(4) Å, c = 17.4662(5) Å, β = 98.361(3)°; V = 1798.06 Å 3 , Z = 4, R gt ( F ) = 0.0361, wR ref ( F 2 ) = 0.0911, T = 100 K.