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17β-methoxyestra-1,3,5(10)-trien-3-ol
propyl bromide
3-propoxy-17β-methoxyestra-1,3,5(10)-triene
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In methanol at 64℃; for 24h; Williamson Ether Synthesis; | 92% |
methyl iodide
3-propoxy-17β-methoxyestra-1,3,5(10)-triene
Conditions | Yield |
---|---|
Stage #1: 13-methyl-3-propoxy-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol With sodium hydroxide In tetrahydrofuran for 1h; Stage #2: methyl iodide In tetrahydrofuran for 5h; | 90.7% |
estradiol
3-propoxy-17β-methoxyestra-1,3,5(10)-triene
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: hydrogen bromide / acetone / 24 h / 55 °C / Inert atmosphere 2: methanol / 12 h / 64 °C / Inert atmosphere 3: potassium iodide; potassium carbonate / methanol / 24 h / 64 °C View Scheme |
3-propoxy-17β-methoxyestra-1,3,5(10)-triene
5-phenyl-2H-1,2,3,4-tetrazole
Conditions | Yield |
---|---|
In acetonitrile at 80℃; for 13h; Electrochemical reaction; Green chemistry; | 46% |
Molecular structure of Promestriene (CAS NO.39219-28-8) is:
Product Name: Promestriene
CAS Registry Number: 39219-28-8
IUPAC Name: (8R,9S,13S,14S,17S)-17-methoxy-13-methyl-3-propoxy-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene
Molecular Weight: 328.48828 [g/mol]
Molecular Formula: C22H32O2
XLogP3: 4.5
H-Bond Donor: 0
H-Bond Acceptor: 2
EINECS: 254-361-6
Melting Point: 64-660 °C
Surface Tension: 40.5 dyne/cm
Density: 1.06 g/cm3
Flash Point: 153.3 °C
Enthalpy of Vaporization: 66.66 kJ/mol
Boiling Point: 436.8 °C at 760 mmHg
Vapour Pressure: 2.01E-07 mmHg at 25°C
Product Categories: APIs;Intermediates & Fine Chemicals;Pharmaceuticals;Steroids
Promestriene (CAS NO.39219-28-8) can be used as an estrogen.
Promestriene , its cas register number is 39219-28-8. It also can be called Promestriano ; Promestriano [INN-Spanish] ; Promestrienum ; Promestrienum [INN-Latin] ; 17beta-Methoxy-3-propoxyestra-1,3,5(10)-triene .It is a white solid.