ChemicalBook CAS DataBase List 17 alpha-cyanomethyl-19-nortestosterone

17 alpha-cyanomethyl-19-nortestosterone synthesis

3synthesis methods

Product Name:17 alpha-cyanomethyl-19-nortestosterone
CAS Number:67473-36-3
Molecular formula:C20H27NO2
Molecular Weight:313.43

17976-34-0
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67473-36-3
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Yield:67473-36-3 74%

Steps:

11 13-Methyl-17α-cyanomethyl-17β-hydroxy-4-gonen-3-one

EXAMPLE 11 13-Methyl-17α-cyanomethyl-17β-hydroxy-4-gonen-3-one 3.0 g 3-methoxy-13-methyl-3,5-gonadiene-17-one are converted in a manner analogous to that in Example 6. Yield: 74% of theory Flame point: 243° to 246° C. ¹ H-NMR spectrum: (80 MHz, CDCl₃, δ against TMS as inner standard) 0.84 ppm (s, 3H, 18--CH₃); 2.63 ppm (2d, 2H 17α--CH₂ CN); 5.75 ppm (s, 1H, 4--CH).

References:

US5438134,1995,A

19-Norpregna-2,5(10)-diene-21-nitrile, 17-hydroxy-3-methoxy-, (17α)-

65928-64-5
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67473-36-3
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References

Spiro[estra-2,5(10)-diene-17,2'-oxirane], 4-methoxy-, (17β)- (9CI)

30925-89-4
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67473-36-3
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References

17 alpha-cyanomethyl-19-nortestosterone Related Search:

Dienogestrel Sts 64 3,3-DiMethoxyestra-5(10),9(11)-dien-17-one Estra-4,9-diene-3,17-dione Estradiene dione-3-keta