反应条件
1: p-toluene sulfonic acid / 6 h / Ambient temperature 2: tetramethylguanidine 3: LiAlH(Ot-Bu)3 / tetrahydrofuran / 1.) 18 h, RT 2.) 3 h, 60 deg C 4: 70 percent / NH4OAc, 15percent aq. TiCl3 / tetrahydrofuran / Ambient temperature 5: NaBH4 / methanol / 2 h / Ambient temperature View Scheme
参考文献
Baraldi, P. G.; Barco, A.; Benetti, S.; Pollini, G. P.; Simoni, D.; Zanirato, V.
Tetrahedron, 1987 , vol. 43, # 20 p. 4669 - 4678