736 J. Org. Chem., Vol. 42, No. 4, 1977 Lehr, Schaefer-Ridder, and Jerina 336," 45 ml of saturated KCl solution, and some solid KC1 were added. After stirring for 24 h at room temperature the benzene solu-tion was passed through a short column of alumina (to remove the Aliquat-336). After the usual workup there was obtained 3.0 g (90%) of 9: IR mp 175-176" C; m/e 366,368; NMR b 2.33 and 2.46 (s, 6 each, ArCH: J, 3.47 (s, 6, OCHR), ...