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14340-04-6

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Basic Information
CAS No.: 14340-04-6
Name: 17α-Acetoxy-19-norpregna-4,9-diene-3,20-dione
Article Data: 3
Molecular Structure:
Molecular Structure of 14340-04-6 (17α-Acetoxy-19-norpregna-4,9-diene-3,20-dione)
Formula: C22H28O4
Molecular Weight: 356.462
Synonyms: 17α-Acetoxy-19-norpregna-4,9-diene-3,20-dione;Gestadienol acetate;17-Hydroxy-19-norpregna-4,9-diene-3,20-dione acetate
Melting Point: 119℃ (ethyl ether )
PSA: 60.44000
LogP: 4.08330
Related products
Synthetic route
64-19-7

acetic acid

42982-49-0

3,3-[1,2-ethanediylbis(oxy)]-17α-hydroxy-19-norpregna-5(10),9(11)-diene-20-one

14340-04-6

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione

Conditions
ConditionsYield
With toluene-4-sulfonic acid; trifluoroacetic anhydride In dichloromethane at 0℃; for 0.166667h;99%
With toluene-4-sulfonic acid; trifluoroacetic anhydride In dichloromethane at 0℃; for 0.166667h;99%
64-19-7

acetic acid

14340-01-3

17α-hydroxy-19-norpregna-4(5),9(10)-diene-3,20-dione

14340-04-6

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione

Conditions
ConditionsYield
With toluene-4-sulfonic acid; trifluoroacetic anhydride In dichloromethane at 0℃; for 0.25h;62.3%

3,3-(ethylene-dioxy)-17β-cyano-17α-hydroxy-19-norpregna-5(10),9(11)-diene

14340-04-6

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: PYRIMIDINE / toluene / 20 - 60 °C
2: tetrahydrofuran / toluene / 16 h / Inert atmosphere; Reflux
3: toluene-4-sulfonic acid; trifluoroacetic anhydride / dichloromethane / 0.17 h / 0 °C
View Scheme
5571-36-8

ethylene deltenone

14340-04-6

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: acetic acid / methanol / 6 h / 20 °C
2: PYRIMIDINE / toluene / 20 - 60 °C
3: tetrahydrofuran / toluene / 16 h / Inert atmosphere; Reflux
4: toluene-4-sulfonic acid; trifluoroacetic anhydride / dichloromethane / 0.17 h / 0 °C
View Scheme
54690-63-0

17β-cyano-3,3-[1,2-ethanediylbis(oxy)]-17α-trimethylsilyloxyestra-5(10),9(11)-diene

14340-04-6

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: tetrahydrofuran / toluene / 16 h / Inert atmosphere; Reflux
2: toluene-4-sulfonic acid; trifluoroacetic anhydride / dichloromethane / 0.17 h / 0 °C
View Scheme
107-21-1

ethylene glycol

14340-04-6

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione

240806-31-9

17α-acetoxy-3,3[1,2-ethanediylbis(oxy)]-19-norpregna-5(10),9(11)-diene-20-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid; orthoformic acid triethyl ester In dichloromethane at 20℃; for 0.5h;100%
In toluene Reflux;54 g
14340-04-6

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione

240806-31-9

17α-acetoxy-3,3[1,2-ethanediylbis(oxy)]-19-norpregna-5(10),9(11)-diene-20-one

Conditions
ConditionsYield
Stage #1: ethylene glycol; toluene-4-sulfonic acid In toluene Heating / reflux;
Stage #2: 17α-acetoxy-19-norpregna-4,9-diene-3,20-dione In toluene Heating / reflux;
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