![](/CAS/GIF/146-48-5.gif)
Yohimbine synthesis
- Product Name:Yohimbine
- CAS Number:146-48-5
- Molecular formula:C21H26N2O3
- Molecular Weight:354.44
![18,19-Didehydroyohimban-17-one](/CAS/20180808/GIF/54725-64-3.gif)
54725-64-3
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Yield:-
Steps:
Multi-step reaction with 4 steps
1: 1.) LDA, HMPA / 1.) THF, hexane, -78 deg C, 1 h, 2.) THF, hexane, -78 deg C, 1.5 h
2: 97 percent / H2 / 10percent Pd/C / methanol / 0.25 h / 760 Torr / Ambient temperature
3: 82 percent / K2CO3, MeOH / 8 h / Ambient temperature
4: 86 percent / L-Selectride / tetrahydrofuran / 0.5 h / -78 °C
References:
Aube;Ghosh;Tanol [Journal of the American Chemical Society,1994,vol. 116,# 20,p. 9009 - 9018]
![Yohimban-16-carboxylic acid, 18,19-didehydro-17-hydroxy-, methyl ester, (16α,17α)-](/CAS/20210305/GIF/1011533-78-0.gif)
1011533-78-0
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![Yohimbine](/CAS/GIF/146-48-5.gif)
146-48-5
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![17-Oxoyohimban-16α-carboxylic acid methyl ester](/CAS/GIF/2671-57-0.gif)
2671-57-0
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![Yohimbine](/CAS/GIF/146-48-5.gif)
146-48-5
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![Yohimban-17-ol, 18,19-didehydro-, (17β)- (9CI)](/CAS/20210305/GIF/158146-68-0.gif)
158146-68-0
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![Yohimbine](/CAS/GIF/146-48-5.gif)
146-48-5
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![Propanoic acid, 2,2-dimethyl-, decahydro-7-hydroxy-2-[2-(1H-indol-3-yl)ethyl]-3-oxo-6-isoquinolinyl ester, [4aS-(4aα,6β,7β,8aβ)]- (9CI)](/CAS/20210305/GIF/158146-59-9.gif)
158146-59-9
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![Yohimbine](/CAS/GIF/146-48-5.gif)
146-48-5
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