potassium hydroxide in chloroform; water an aq. KOH soln. was added to react. mixt. at 20 °C; washed (H2O), extd. (Et2O), org. layer was dried (anhyd. Na2SO4), filtered, solvent was removed by rotary evapn., recrystd. (Et2O/petroleum ether);
参考文献
Saxena, Arvind K.; Bisaria, Chandra S.; Pande, Lalit M.
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 1986 , vol. 16, p. 667 - 674