4-Bromocholest-4-en-3-one

Base Information

• Chemical Name: 4-Bromocholest-4-en-3-one
• CAS No.: 3702-37-2
• Molecular Formula: C27H43BrO
• Molecular Weight: 463.542
• DSSTox Substance ID: DTXSID80190519
• Nikkaji Number: J1.402.324K
• Wikidata: Q83062905
• ChEMBL ID: CHEMBL70087
• Mol file: 3702-37-2.mol

Synonyms:4-bromocholest-4-en-3-one

Chemical Property of 4-Bromocholest-4-en-3-one

Chemical Property:

• Vapor Pressure: 1.15E-10mmHg at 25°C
• Boiling Point: 513.7°Cat760mmHg
• Flash Point: °C
• Density: 1.14g/cm³
• XLogP3: 9.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 5
• Exact Mass: 462.24973
• Heavy Atom Count: 29
• Complexity: 678

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC(C)CCCC(C)C1CCC2C1(CCC3C2CCC4=C(C(=O)CCC34C)Br)C
• Isomeric SMILES: C[C@H](CCCC(C)C)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=C(C(=O)CC[C@]34C)Br)C

Technology Process of 4-Bromocholest-4-en-3-one

There total 1 articles about 4-Bromocholest-4-en-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: 25.8%

2α,4,6β-tribromocholest-4-en-3-one (65065-45-4) → Cholest-4-en-3-one (601-57-0) + 4-bromocholest-4-en-3-one (3702-37-2) + 2α,4-dibromocholest-4-en-3-one (22211-71-8)

Guidance literature:

With hydrogen; Lindlar's catalyst; In benzene; for 7.5h; under 650.3 Torr; Ambient temperature;

Reference yield: 78.0%

2,2-difluoro-2-(fluorosulfonyl)acetate (680-15-9) + 4-bromocholest-4-en-3-one (3702-37-2) → (8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-4-trifluoromethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one

Guidance literature:

With copper(l) iodide; In N,N-dimethyl-formamide; at 75 ℃; for 7h;

DOI:10.1039/a706552c

Reference yield: 26.0%

4-bromocholest-4-en-3-one (3702-37-2) + silver(I) acetate (563-63-3) → cholesta-4,6-dien-3-one (566-93-8) + 6β-acetoxy-Δ4-cholestene-3-one (18883-26-6,97274-97-0,2326-51-4) + 3-oxocholest-4-en-6α-yl acetate (18883-26-6)

Guidance literature:

In acetic acid; for 65h; Heating;

DOI:10.1016/S0040-4039(01)81831-1

upstream raw materials:

2α,4,6β-tribromocholest-4-en-3-one

Downstream raw materials:

cholesta-4,6-dien-3-one

6β-acetoxy-Δ⁴-cholestene-3-one

3-oxocholest-4-en-6α-yl acetate

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