反应条件
1: 58 percent / sodium hydride / 1.) THF, 0 deg C, 1 h, 2.) reflux, 12 h 2: 75 percent / 6M HCl / 36 h / Heating 3: 1.) TEOF, 2.) potassium tert-butoxide / 1.) CH2Cl2, 12h, 2.) THF, 0 deg C View Scheme
参考文献
Garst, M. E.; Johnson, A. T.
Tetrahedron Letters, 1980 , vol. 21, p. 4811 - 4814