ethidium Bromide; magnesium in tetrahydrofuran; diethyl ether T=-30 - -20°C;

in tetrahydrofuran T=25°C; 0.5 h;

暂无反应条件数据

potassium hydroxide; 18-crown-6 in toluene (N2); dry and fresh distd. solvents; stirring (t-Bu)P(CCH)2/Sn-compd./K OH powder and 18-crown-6 in toluene at 80°C (16 h); filtration (SiO2), removal of volatile components in vac.; elem. anal.;;