二甲基{2-[(1S,5R,7R)-10,10-二甲基-3,3-二氧代-3-硫杂-4-氮杂三环[5.2.1.01,5]癸-4-基]-2-氧代乙基}碳o二硫代亚氨酸酯合成路线 (共 2 条)
反应条件
1: 93 percent / 1) BuLi / 1) THF, hexane, -78 deg C, 1 h, 2) THF, HMPA, -78 deg C, 2 h 2: 1 N aq. HCl / tetrahydrofuran / 24 h / Ambient temperature 3: Na2CO3 / tetrahydrofuran / 3 h / Ambient temperature 4: 78 percent / Ti(OEt)4 / 1 h / 130 °C View Scheme
参考文献
Oppolzer, Wolfgang; Lienard, Philippe
Helvetica Chimica Acta, 1992 , vol. 75, # 8 p. 2572 - 2582
反应条件
1: aq. HCl 2: 15 percent / 4 Angstroem MS / toluene / 80 - 85 °C View Scheme
参考文献
Tetrahedron, , vol. 57, # 1 p. 71 - 85