反应条件
1: 78 percent / CHCl3; diethyl ether / 1 h / 0 °C 2: 98 percent / D-Camphor-10-sulfonic acid / benzene / 12 h / Heating 3: 84 percent / LiAlH4 / tetrahydrofuran / 0.25 h / 0 °C 4: 83 percent / DMSO, oxalyl chloride, NEt3 / 1) CH2Cl2, -78 deg C, 1 h, 2) 0 deg C, 1 h 5: 1) n-butyllithium / 1) THF, hexane, -78 deg C, 4 min, 2) -78 deg C, 30 min 6: 72 percent / DMSO, oxalyl chloride, NEt3 / 1) CH2Cl2, -78 deg C, 1 h, 2) 0 deg C, 1 h 7: 75 percent / aq. HCl / methanol / 96 h / Ambient temperature View Scheme
参考文献
Nemoto, Hideo; Matsuhashi, Norikazu; Imaizumi, Mari; Nagai, Mitsuo; Fukumoto, Keiichiro
Journal of Organic Chemistry, 1990 , vol. 55, # 21 p. 5625 - 5631