potassium hydroxide in ethanol; water aldehyde added to an ethanol soln. of the methylketone and 10percent aq. KOH, mixt. stirred, room temp., 2 h; ppt. filtered, recrystd. from CH3OH;

sodium hydroxide in solid thorough grounding a mixt. of aldehyde and phosphonium salt with NaOH atroom temp., heating at 65°C for 240 min, grounding for 1-2 min, cooling to room temp.; extn. with CH2Cl2, drying with Na2SO4, filtration, evapn., chromy (SiO2,petroleum ether);

sodium hydroxide in ethanol; water 24 h;

acetophenone in not given base-catalyzed Claisen-Schmidt condensation; the purity of the compound was checked by m.p. and TLC;

in methanol

暂无反应条件数据