1: 97 percent / diethyl ether 2: Na / xylene / 6 h / Heating View Scheme
参考文献
Crumrine, David S.; Dieschbourg, Thomas A.; O'Toole, James G.; Tassone, Benjamin A.; Vandenburg, Suzanne C.
Journal of Organic Chemistry, 1987 , vol. 52, # 16 p. 3699 - 3701