1: (CF3CH2CO)2P(O)CH2CO2CH3 With 18-crown-6 ether; potassium tert-butylate in tetrahydrofuran T=-78°C; 0.25 h; 2: (E)-crotonaldehyde in tetrahydrofuran T=-78°C; 2.5 h; Further stages. Title compound not separated from byproducts.;
1: 6 h / 25 °C / electrolysis at -2.1 - -2.2 V, aq. LiOH - catholyte 2: diethyl ether 3: 83 percent / m-chloroperbenzoic acid / CH2Cl2 / 12 h / 0 °C 4: toluene / 3 h / Heating View Scheme
参考文献
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 32, # 9 p. 1897 - 1900
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 9 p. 2101 - 2104