1: 1) NaH / 1) toluene, reflux, 30 min, 2) reflux, 1 h 2: 51.4 percent / NaBH4 / ethanol / 6 h 4: NaBH4 / methanol / Ambient temperature 5: toluene-p-sulfonic acid / toluene / 4 h / Heating 6: 96 percent / diisobutylaluminium hydride / diethyl ether; hexane / 1) -78 deg C to room temperature, 2) room temperature, 8 h View Scheme
参考文献
Murphy, John A.; Patterson, Christopher W.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1993 , # 4 p. 405 - 410