1: NaHCO3 / diethyl ether; H2O / 1 h / T < 5 deg C; or in benzene 2: 75 percent / SOCl2 / diethyl ether / 1 h / T < 5 deg C 3: 71 percent / 70percent H2SO4 / 3 h / Heating View Scheme
参考文献
Ayyangar, N. R.; Kalkote, U. R.; Nikrad, P. V.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1983 , vol. 22, # 9 p. 872 - 877
