3-Methyl-19-nor-17alpha-pregna-1,3,5(10)-trien-17-ol

Base Information

• Chemical Name: 3-Methyl-19-nor-17alpha-pregna-1,3,5(10)-trien-17-ol
• CAS No.: 2626-11-1
• Molecular Formula: C₂₁H₃₀O
• Molecular Weight: 298.469
• NSC Number: 76989
• Nikkaji Number: J2.793.047F
• Wikidata: Q27148758
• Mol file: 2626-11-1.mol

Synonyms:3-Methyl-19-nor-17alpha-pregna-1,3,5(10)-trien-17-ol;(8R,9S,13S,14S,17S)-17-ethyl-3,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-ol;2626-11-1;CHEBI:79636;NSC76989;NSC-76989;Q27148758;(8R,13R,17S)-17-ethyl-3,13-dimethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclo-penta[a]phenanthren-17-ol

Chemical Property of 3-Methyl-19-nor-17alpha-pregna-1,3,5(10)-trien-17-ol

Chemical Property:

• Vapor Pressure: 8.48E-08mmHg at 25°C
• Boiling Point: 419.8°Cat760mmHg
• Flash Point: 173.8°C
• Density: 1.041g/cm³
• XLogP3: 5.3
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 1
• Exact Mass: 298.229665576
• Heavy Atom Count: 22
• Complexity: 432

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCC1(CCC2C1(CCC3C2CCC4=C3C=CC(=C4)C)C)O
• Isomeric SMILES: CC[C@@]1(CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=C3C=CC(=C4)C)C)O

Technology Process of 3-Methyl-19-nor-17alpha-pregna-1,3,5(10)-trien-17-ol

There total 5 articles about 3-Methyl-19-nor-17alpha-pregna-1,3,5(10)-trien-17-ol which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

17α-Aethinyl-3-methyl-oestra-1,3,5(10)-trien-17β-ol (2529-55-7) → 17α-Ethyl-3-methyl-oestra-1,3,5(10)-trien-17β-ol (2626-11-1)

Guidance literature:

With hydrogen; palladium on activated charcoal;

DOI:10.1021/jm00328a001

Reference yield:

19-nortestosterone (434-22-0) → 17α-Ethyl-3-methyl-oestra-1,3,5(10)-trien-17β-ol (2626-11-1)

Guidance literature:

Multi-step reaction with 5 steps

1: (i), (ii) Pd-C, AcOH, (iii) /BRN= 385737/, Py

2: aq. KOH

3: CrO₃, H₂SO₄

4: potassium 2-methyl-butan-2-olate

5: H₂ / Pd-C

With chromium(VI) oxide; potassium hydroxide; sulfuric acid; hydrogen; potassium 2-methylbutan-2-olate; palladium on activated charcoal;

DOI:10.1021/jm00328a001

Reference yield:

17-β-estradiol (2529-54-6) → 17α-Ethyl-3-methyl-oestra-1,3,5(10)-trien-17β-ol (2626-11-1)

Guidance literature:

Multi-step reaction with 3 steps

1: CrO₃, H₂SO₄

2: potassium 2-methyl-butan-2-olate

3: H₂ / Pd-C

With chromium(VI) oxide; sulfuric acid; hydrogen; potassium 2-methylbutan-2-olate; palladium on activated charcoal;

DOI:10.1021/jm00328a001

upstream raw materials:

17α-Aethinyl-3-methyl-oestra-1,3,5(10)-trien-17β-ol

19-nortestosterone

17-β-estradiol

(8R,9S,13S,14S)-3,13-dimethyl-6,7,8,9,11,12,13,14,15,16-decahydro-17H-cyclopenta[a]phenanthren-17-one