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乙二醇
甲醛
63148-62-9
MDI
丁酮
二甲基亚砜
碳酸氢钠
471-34-1
洋地黄毒苷
合成路线
(共 50 条)
1054632-09-5
→
反应条件
71-63-6
洋地黄毒苷
反应条件
1: Et3N; DMAP / CH2Cl2 2: PPh3; HBr / CHCl3 3: (NH4)HF2; N-methylpyrrolidine / dimethylformamide / 70 °C 4: NaOMe / methanol View Scheme
参考文献
Angewandte Chemie - International Edition, , vol. 40, # 19 p. 3653 - 3655
389860-87-1
→
反应条件
71-63-6
洋地黄毒苷
反应条件
1: PPh3; HBr / CHCl3 2: (NH4)HF2; N-methylpyrrolidine / dimethylformamide / 70 °C 3: NaOMe / methanol View Scheme
参考文献
Angewandte Chemie - International Edition, , vol. 40, # 19 p. 3653 - 3655
389860-88-2
→
反应条件
71-63-6
洋地黄毒苷
反应条件
1: (NH4)HF2; N-methylpyrrolidine / dimethylformamide / 70 °C 2: NaOMe / methanol View Scheme
参考文献
Angewandte Chemie - International Edition, , vol. 40, # 19 p. 3653 - 3655
912454-82-1
→
反应条件
71-63-6
洋地黄毒苷
反应条件
1: 90 percent / PPh3 / Pd2(DBA)3*CHCl3 / CH2Cl2 / 8 h / 0 °C 2: CeCl3; NaBH4 / methanol / 3 h / -78 °C 3: 89 percent / N-methylmorpholine; Ph3P; diethyl azodicarboxylate / o-nitrobenzenesulfonyl hydrazide / -30 - 20 °C 4: 91 percent / N-methylmorpholine N-oxide; OsO4 / H2O / 3 h / 0 °C 5: 83 percent / LiOH / methanol; H2O / 2 h / 20 °C View Scheme
参考文献
Journal of Organic Chemistry, , vol. 72, # 7 p. 2485 - 2493
912454-95-6
→
反应条件
71-63-6
洋地黄毒苷
反应条件
1.1: 91 percent / N-methylmorpholine N-oxide; OsO4 / H2O / 8 h / 0 °C 2.1: p-TsOH / benzene / 20 °C 2.2: 99 percent / p-TsOH / tetrahydrofuran; H2O 3.1: 90 percent / PPh3 / Pd2(DBA)3*CHCl3 / CH2Cl2 / 8 h / 0 °C 4.1: CeCl3; NaBH4 / methanol / 3 h / -78 °C 5.1: 89 percent / N-methylmorpholine; Ph3P; diethyl azodicarboxylate / o-nitrobenzenesulfonyl hydrazide / -30 - 20 °C 6.1: 91 percent / N-methylmorpholine N-oxide; OsO4 / H2O / 3 h / 0 °C 7.1: 83 percent / LiOH / methanol; H2O / 2 h / 20 °C View Scheme
参考文献
Journal of Organic Chemistry, , vol. 72, # 7 p. 2485 - 2493
30788-61-5
→
反应条件
71-63-6
洋地黄毒苷
反应条件
1.1: p-TsOH / benzene / 20 °C 1.2: 99 percent / p-TsOH / tetrahydrofuran; H2O 2.1: 90 percent / PPh3 / Pd2(DBA)3*CHCl3 / CH2Cl2 / 8 h / 0 °C 3.1: CeCl3; NaBH4 / methanol / 3 h / -78 °C 4.1: 89 percent / N-methylmorpholine; Ph3P; diethyl azodicarboxylate / o-nitrobenzenesulfonyl hydrazide / -30 - 20 °C 5.1: 91 percent / N-methylmorpholine N-oxide; OsO4 / H2O / 3 h / 0 °C 6.1: 83 percent / LiOH / methanol; H2O / 2 h / 20 °C View Scheme
参考文献
Journal of Organic Chemistry, , vol. 72, # 7 p. 2485 - 2493
912454-96-7
→
反应条件
71-63-6
洋地黄毒苷
反应条件
1: 90 percent / PPh3 / Pd2(DBA)3*CHCl3 / CH2Cl2 / 8 h / 0 °C 2: CeCl3; NaBH4 / methanol / 3 h / -78 °C 3: 89 percent / N-methylmorpholine; Ph3P; diethyl azodicarboxylate / o-nitrobenzenesulfonyl hydrazide / -30 - 20 °C 4: 91 percent / N-methylmorpholine N-oxide; OsO4 / H2O / 3 h / 0 °C 5: 83 percent / LiOH / methanol; H2O / 2 h / 20 °C View Scheme
参考文献
Journal of Organic Chemistry, , vol. 72, # 7 p. 2485 - 2493
912454-97-8
→
反应条件
71-63-6
洋地黄毒苷
反应条件
1: CeCl3; NaBH4 / methanol / 3 h / -78 °C 2: 89 percent / N-methylmorpholine; Ph3P; diethyl azodicarboxylate / o-nitrobenzenesulfonyl hydrazide / -30 - 20 °C 3: 91 percent / N-methylmorpholine N-oxide; OsO4 / H2O / 3 h / 0 °C 4: 83 percent / LiOH / methanol; H2O / 2 h / 20 °C View Scheme
参考文献
Journal of Organic Chemistry, , vol. 72, # 7 p. 2485 - 2493
222986-40-5
→
反应条件
71-63-6
洋地黄毒苷
反应条件
1: sodium acetate / benzene / 2 h / 80 °C 2: 90 percent / PPh3 / Pd2(DBA)3*CHCl3 / CH2Cl2 / 8 h / 0 °C 3: CeCl3; NaBH4 / methanol / 3 h / -78 °C 4: 89 percent / N-methylmorpholine; Ph3P; diethyl azodicarboxylate / o-nitrobenzenesulfonyl hydrazide / -30 - 20 °C 5: 91 percent / N-methylmorpholine N-oxide; OsO4 / H2O / 3 h / 0 °C 6: 83 percent / LiOH / methanol; H2O / 2 h / 20 °C View Scheme
参考文献
Journal of Organic Chemistry, , vol. 72, # 7 p. 2485 - 2493
912454-98-9
→
反应条件
71-63-6
洋地黄毒苷
反应条件
1: 91 percent / N-methylmorpholine N-oxide; OsO4 / H2O / 3 h / 0 °C 2: 83 percent / LiOH / methanol; H2O / 2 h / 20 °C View Scheme
参考文献
Journal of Organic Chemistry, , vol. 72, # 7 p. 2485 - 2493
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