demegestone synthesis

3synthesis methods

Product Name:demegestone
CAS Number:10116-22-0
Molecular formula:C21H28O2
Molecular Weight:312.45

19-Norpregna-1,3,5(10),16-tetraen-20-one, 3-methoxy-

21321-91-5
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10116-22-0
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-

Yield:-

Steps:

Multi-step reaction with 5 steps
1: Li, liq. NH₃ / diethyl ether
2: NaBH₄ / aq. ethanol
3: (i) Li, liq. NH₃, (ii) AcOH
4: Py*HBr₃ / pyridine
5: CrO₃, H₂SO₄ / acetone

References:

Joly,R. et al. [Bulletin de la Societe Chimique de France,1973,p. 2694 - 2697]

19-Norpregna-4,9-dien-3-one, 20-hydroxy-17-methyl- (9CI)

51267-70-0
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10116-22-0
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19-Norpregna-1,3,5(10)-trien-20-ol, 3-methoxy-17-methyl- (9CI)

51228-42-3
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10116-22-0
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References

demegestone Related Search:

Progesterone (+)-CITRONELLAL

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