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ChemicalBook CAS DataBase List 17 alpha-cyanomethyl-19-nortestosterone
67473-36-3

17 alpha-cyanomethyl-19-nortestosterone synthesis

3synthesis methods
-

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

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