Yohimbine synthesis

12synthesis methods

Product Name:Yohimbine
CAS Number:146-48-5
Molecular formula:C21H26N2O3
Molecular Weight:354.44

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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)-

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146-48-5
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References

17-Oxoyohimban-16α-carboxylic acid methyl ester

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146-48-5
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References

Yohimban-17-ol, 18,19-didehydro-, (17β)- (9CI)

158146-68-0
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146-48-5
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References

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)

158146-59-9
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146-48-5
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References

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Yohimbine synthesis