反应条件
1: 1.) 80 percent NaH; 2.) 10 percent H2SO4 / 1.) DME, parrafin oil, 3.5 h, reflux; Et2O, -20 deg C, 30 min; 2.) MeOH, 24 h 3: 84 percent / mol. sieve, 2-butanone, aluminium isopropylate / benzene / 12 h / Heating 4: 1.) LDA; 2.) 6 percent HCl / 1.) THF, 2.5 h; 2.) MeOH, 60-70 deg C, 3 h View Scheme
参考文献
Helvetica Chimica Acta, , vol. 68, # 4 p. 1054 - 1068
