反应条件
1: 1.) LDA / 1.) THF, hexane, -75 deg C, 40 min, 2.)a) THF, hexane, -70 deg C, 1 h, b) 20 deg C, 1 h
2: 3.42 g / TsOH*Py / acetone; H2O / 2 h / Heating
3: 1.) butylithium / 1.) THF, hexane, -78 deg C, 1 h, 2.)a) THF, hexane, -78 deg C, 1 h, b) 20 deg C, 15 h
4: 82 percent / H2 / Pt-black / ethanol / Ambient temperature
View Scheme
参考文献
Odinokov, V. N.; Kukovinets, O. S.; Sakharova, N. I.; Tolstikov, G. A.
Russian Journal of Organic Chemistry, 1993 , vol. 29, # 1.1 p. 24 - 30
Zhurnal Organicheskoi Khimii, 1993 , vol. 29, # 1 p. 31 - 38