ChemicalBook CAS DataBase List 3-Oxo-4-azaandrosta-1,5,7-triene-17-carboxylic Acid Methyl Ester

3-Oxo-4-azaandrosta-1,5,7-triene-17-carboxylic Acid Methyl Ester synthesis

3synthesis methods

Product Name:3-Oxo-4-azaandrosta-1,5,7-triene-17-carboxylic Acid Methyl Ester
CAS Number:166896-63-5
Molecular formula:C20H25NO3
Molecular Weight:327.42

103335-41-7 Synthesis

METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLATE

103335-41-7
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3-Oxo-4-azaandrosta-1,5,7-triene-17-carboxylic Acid Methyl Ester

166896-63-5
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Yield:-

Steps:

Multi-step reaction with 4 steps
1: lithium trifluoromethanesulfonate / methanol / electrochemical reaction; cathode: stainless steel, anode: carbon felt; constant current of 200 mA
2: 16 h / 100 °C
3: DDQ / CH₂Cl₂; acetonitrile / -40 °C
4: CH₂Cl₂; acetonitrile / 18 h / 20 °C

References:

Williams;Marchesini;Reamer;Dolling;Grabowski [Journal of Organic Chemistry,1995,vol. 60,# 16,p. 5337 - 5340]

166896-62-4 Synthesis

3-Oxo-4-aza-5α-αndrost-1,5-diene-17β-carboxylic Acid Methyl Ester

166896-62-4
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$675.00/10mg

166896-63-5
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References

1026013-15-9 Synthesis

3-Oxo-4-aza-11a-Methoxy-5α-αndrost-1-ene-17β-carboxylic Acid Methyl Ester

1026013-15-9
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166896-63-5
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References