1: 82 percent / KOH / methanol / 0.5 h / Ambient temperature 2: 87 percent / camphorsulphonic acid / acetone / 22 h / Ambient temperature View Scheme
参考文献
Francesconi, Kevin A.; Edmonds, John S.; Stick, Robert V.; Skelton, Brian W.; White, Allan H.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1991 , # 11 p. 2707 - 2716