反应条件
1: 101 percent / sodium hydroxide / methanol / 48 h 2: 89 percent / CH3CO3H, Na2CO3, Na2WO4 / methanol; H2O 3: 1) sodium methoxide, 2) sodium borohydride / 1) MeOH, -30 degC, 20min, 2) 25 degC, 6h 4: 11 percent / paraformaldehyde, boron trifluoride etherate / H2O; acetone / 120 h / Ambient temperature View Scheme
参考文献
Journal of Organic Chemistry, , vol. 48, # 13 p. 2167 - 2188