DWJ Org. Chem. 1989, 54, 1940 and references therein.(b) Pagano, AH; Shechter, HJ Org. Chem. 1970, 35,295. an ambient temperature bath for 5.5 h. Ice water (200 mL) followed by water (750 mL) were added to the stirred white slurry, and the organic phase was collected by extraction with pentane (5 X 130 mL). The combined pentane extracta were washed with water (2 x 200 mL), dried over* SO4, and evaporated to a pale greenish-blue liquid (crude ...
