2beta-羟基熊果酸; (2beta,3beta)-2,3-二羟基乌苏-12-烯-28-酸合成路线 (共 9 条)
反应条件
With methanol; potassium hydroxide T=20°C; 2 h; Show Experimental Procedure
参考文献
Use- Techno Corporation Patent: US2005/137259 A1, 2005 ; Location in patent: Page/Page column 5 ;
反应条件
Multi-step reaction with 2 steps 2: LiAlH4
参考文献
Glen,A.T. et al. Journal of the Chemical Society [Section] C: Organic, 1967 , vol. <C>, p. 510 - 515
反应条件
<b>With</b> <a href="#" onclick="return RXDsubstances(event, this, '1098229', constants.ctx, '0')">methanol</a>; <a href="#" onclick="return RXDsubstances(event, this, '11342937', constants.ctx, '0')">potassium hydroxide</a> <br />T=20°C; 2 h; <br /> <br />
参考文献
Use- Techno Corporation Patent: US2005/137259 A1, 2005 ; Location in patent: Page/Page column 5 ;
反应条件
<b>Multi-step reaction with 2 steps<br /> </b>1.1: BH<sub>3</sub>*THF<br />1.2: 55 percent / aq. NaOH; H<sub>2</sub>O<sub>2</sub> <br />2.1: 100 percent / H<sub>2</sub> / Pd/C / tetrahydrofuran / 20 °C<br /> <br />
参考文献
Wen, Xiaoan; Sun, Hongbin; Liu, Jun; Wu, Guanzhong; Zhang, Luyong; Wu, Xiaoming; Ni, Peizhou Bioorganic and Medicinal Chemistry Letters, 2005 , vol. 15, # 22 p. 4944 - 4948
反应条件
<b>Multi-step reaction with 5 steps<br /> </b>1.1: 96 percent / K<sub>2</sub>CO<sub>3</sub> / dimethylformamide / 2 h / 85 °C<br />2.1: 89 percent / PCC / CH<sub>2</sub>Cl<sub>2</sub> / 24 h / 0 °C<br />3.1: 91 percent / H<sub>2</sub>SO<sub>4</sub> / 100 °C<br />4.1: BH<sub>3</sub>*THF<br />4.2: 55 percent / aq. NaOH; H<sub>2</sub>O<sub>2</sub> <br />5.1: 100 percent / H<sub>2</sub> / Pd/C / tetrahydrofuran / 20 °C<br /> <br />
参考文献
Wen, Xiaoan; Sun, Hongbin; Liu, Jun; Wu, Guanzhong; Zhang, Luyong; Wu, Xiaoming; Ni, Peizhou Bioorganic and Medicinal Chemistry Letters, 2005 , vol. 15, # 22 p. 4944 - 4948
反应条件
<b>Multi-step reaction with 3 steps<br /> </b>1.1: 91 percent / H<sub>2</sub>SO<sub>4</sub> / 100 °C<br />2.1: BH<sub>3</sub>*THF<br />2.2: 55 percent / aq. NaOH; H<sub>2</sub>O<sub>2</sub> <br />3.1: 100 percent / H<sub>2</sub> / Pd/C / tetrahydrofuran / 20 °C<br /> <br />
参考文献
Wen, Xiaoan; Sun, Hongbin; Liu, Jun; Wu, Guanzhong; Zhang, Luyong; Wu, Xiaoming; Ni, Peizhou Bioorganic and Medicinal Chemistry Letters, 2005 , vol. 15, # 22 p. 4944 - 4948
反应条件
<b>Multi-step reaction with 4 steps<br /> </b>1.1: 89 percent / PCC / CH<sub>2</sub>Cl<sub>2</sub> / 24 h / 0 °C<br />2.1: 91 percent / H<sub>2</sub>SO<sub>4</sub> / 100 °C<br />3.1: BH<sub>3</sub>*THF<br />3.2: 55 percent / aq. NaOH; H<sub>2</sub>O<sub>2</sub> <br />4.1: 100 percent / H<sub>2</sub> / Pd/C / tetrahydrofuran / 20 °C<br /> <br />
参考文献
Wen, Xiaoan; Sun, Hongbin; Liu, Jun; Wu, Guanzhong; Zhang, Luyong; Wu, Xiaoming; Ni, Peizhou Bioorganic and Medicinal Chemistry Letters, 2005 , vol. 15, # 22 p. 4944 - 4948
反应条件
<b>With</b> <a href="#" onclick="return RXDsubstances(event, this, '11342937', constants.ctx, '0')">potassium hydroxide</a> <b>in</b> <a href="#" onclick="return RXDsubstances(event, this, '1718733', constants.ctx, '0')">ethanol</a> <br />6 h; <br />
参考文献
Das, Manik C.; Mahato, Shashi B. Phytochemistry (Elsevier), 1982 , vol. 21, # 8 p. 2069 - 2074
反应条件
<b>With</b> <a href="#" onclick="return RXDsubstances(event, this, '11342937', constants.ctx, '0')">potassium hydroxide</a> <b>in</b> <a href="#" onclick="return RXDsubstances(event, this, '1098229', constants.ctx, '0')">methanol</a> <br /> <br />
参考文献
Talapatra, Bani; Chaudhuri, Prabir K.; Mallik, Asok K.; Talapatra, Sunil K. Phytochemistry (Elsevier), 1983 , vol. 22, # 11 p. 2559 - 2562