17-Methyl-18-norandrosta-4,13(17)-dien-3-one

Base Information

• Chemical Name: 17-Methyl-18-norandrosta-4,13(17)-dien-3-one
• CAS No.: 38978-06-2
• Molecular Formula: C19H26 O
• Molecular Weight: 270.415
• NSC Number: 50919
• DSSTox Substance ID: DTXSID30287403
• Nikkaji Number: J1.175.735I
• Wikidata: Q27148727

Synonyms:17-Methyl-18-norandrosta-4,13(17)-dien-3-one;(8S,9S,10R,14S)-10,17-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one;38978-06-2;MLS002667411;SCHEMBL5973214;CHEBI:79604;DTXSID30287403;NSC50919;NSC-50919;51005-67-5;Q27148727

Chemical Property of 17-Methyl-18-norandrosta-4,13(17)-dien-3-one

Chemical Property:

• Vapor Pressure: 7.91E-07mmHg at 25°C
• Boiling Point: 406.8°Cat760mmHg
• Flash Point: 185.5°C
• Density: 1.07g/cm³
• XLogP3: 3.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 270.198365449
• Heavy Atom Count: 20
• Complexity: 524

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Canonical SMILES: CC1=C2CCC3C(C2CC1)CCC4=CC(=O)CCC34C
• Isomeric SMILES: CC1=C2CC[C@H]3[C@H]([C@@H]2CC1)CCC4=CC(=O)CC[C@]34C

Technology Process of 17-Methyl-18-norandrosta-4,13(17)-dien-3-one

There total 4 articles about 17-Methyl-18-norandrosta-4,13(17)-dien-3-one 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: 30.0%

17-epitestosterone 2-(prenyloxymethyl)benzoate (958883-18-6) → 3,3-dimethyl acrylaldehyde (107-86-8) + epitestosterone (481-30-1) + 17-methyl-18-norandrosta-4,13(17)-dien-3-one (38978-06-2) + 17β-Methyl-18-norandrosta-4,13-dien-3-on

Guidance literature:

17-epitestosterone 2-(prenyloxymethyl)benzoate; With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In dichloromethane; water; at 20 ℃; for 6h;

In dichloromethane; at 20 ℃; for 24h; Further stages.;

DOI:10.1016/j.tet.2007.08.065

Reference yield:

testosterone triflate (159949-15-2) → 17-methyl-18-norandrosta-4,13(17)-dien-3-one (38978-06-2) + 4,16-androstadien-3-one (4075-07-4) + 17β-Methyl-18-norandrosta-4,13-dien-3-on

Guidance literature:

With sodium azide; In N,N-dimethyl-formamide; at 90 ℃; for 0.0833333h;

DOI:10.1055/s-1999-3541

Reference yield:

testosterone triflate (159949-15-2) → 17α-Azido-androst-4-en-3-on + 17-methyl-18-norandrosta-4,13(17)-dien-3-one (38978-06-2) + 4,16-androstadien-3-one (4075-07-4) + 17β-Methyl-18-norandrosta-4,13-dien-3-on

Guidance literature:

With lithium azide; In N,N-dimethyl-formamide; at 25 ℃; for 0.5h;

DOI:10.1055/s-1999-3541

upstream raw materials:

testosterone triflate

Chloro-methanesulfonic acid (8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl ester

17-epitestosterone 2-(prenyloxymethyl)benzoate

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