1: 1.) NaH / 1.) THF, 50 deg C, 1.5 h; 2.) reflux, 2 h 2: 1.) KOH, 2.) 2 M HCl / ethanol / 4 h / Heating 3: H2SO4 / benzene / 72 h / Heating View Scheme
参考文献
Breukelman, Stephen P.; Meakins, G. Denis
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1985 , p. 1627 - 1636