1: p-toluenesulfonic acid / toluene / 2.5 h / Heating 2: 1.) n-BuLi / 1.) hexane, THF, from -100 deg C to -78 deg C, 1 h 25 min, 2.) hexane, THF, -70 deg C, 1 h View Scheme
参考文献
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1: (methoxymethyl)-triphenylphosphonium chloride With potassium tert-butylate in tetrahydrofuran T=0°C; 0.5 h; 2: 4-bromo-benzaldehyde in tetrahydrofuran T=20°C; 46 h;
参考文献
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