1: trans-4-oxo-but-2-enoic acid methyl ester; (triphenylphosphoranylidene)-acetaldehyde in dichloromethane Heating; 2: dimethyl methoxycarbonylmethanephosphonate With 1,8-diazabicyclo[5.4.0]undec-7-ene; lithium chloride in acetonitrile T=0°C;

benzene T=0°C; neben anderen Produkten;

1.1: 90 percent / O3 / CH2Cl2; methanol / -30 °C 2.1: CH2Cl2 / Heating 2.2: 55 percent / LiCl; DBU / acetonitrile / 0 °C View Scheme

manganese(IV) oxide in dichloromethane 48 h; Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

暂无反应条件数据

(i) (UV-irradiation), (ii) /BRN= 102415/; Multistep reaction;