3-(3-bromo-4-fluorophenyl)-5-(3,5-dichlorophenyl)-4,5-dihydro-5-(trifluoromethyl)isoxazole

Base Information

• Chemical Name: 3-(3-bromo-4-fluorophenyl)-5-(3,5-dichlorophenyl)-4,5-dihydro-5-(trifluoromethyl)isoxazole
• CAS No.: 1125812-44-3
• Molecular Formula: C₁₆H₈BrCl₂F₄NO
• Molecular Weight: 457.049
• Mol file: 1125812-44-3.mol

Synonyms:3-(3-bromo-4-fluorophenyl)-5-(3,5-dichlorophenyl)-4,5-dihydro-5-(trifluoromethyl)isoxazole

Chemical Property of 3-(3-bromo-4-fluorophenyl)-5-(3,5-dichlorophenyl)-4,5-dihydro-5-(trifluoromethyl)isoxazole

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3-(3-bromo-4-fluorophenyl)-5-(3,5-dichlorophenyl)-4,5-dihydro-5-(trifluoromethyl)isoxazole

There total 4 articles about 3-(3-bromo-4-fluorophenyl)-5-(3,5-dichlorophenyl)-4,5-dihydro-5-(trifluoromethyl)isoxazole 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: 77.0%

1-(3-bromo-4-fluorophenyl)-3-(3,5-dichlorophenyl)-4,4,4-trifluoro-2-buten-1-one (1125812-39-6) → 3-(3-bromo-4-fluorophenyl)-5-(3,5-dichlorophenyl)-4,5-dihydro-5-(trifluoromethyl)isoxazole (1125812-44-3)

Guidance literature:

With sodium hydroxide; hydroxyammonium sulfate; In tetrahydrofuran; water; at 20 ℃; for 0.333333h;

Reference yield:

1,3-dichloro-5-(3,3,3-trifluoroprop-1-en-2-yl)benzene (864725-22-4) + 3-bromo-4-fluorobenzaldehyde oxime (202865-63-2) → 3-(3-bromo-4-fluorophenyl)-5-(3,5-dichlorophenyl)-4,5-dihydro-5-(trifluoromethyl)isoxazole (1125812-44-3)

Guidance literature:

With sodium hypochlorite; In tetrahydrofuran; at 0 - 25 ℃;

DOI:10.1016/j.bmcl.2013.03.031

Reference yield:

2-(3,5-dichlorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (68716-51-8) → 3-(3-bromo-4-fluorophenyl)-5-(3,5-dichlorophenyl)-4,5-dihydro-5-(trifluoromethyl)isoxazole (1125812-44-3)

Guidance literature:

Multi-step reaction with 2 steps

1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium hydroxide / water; 1,2-dimethoxyethane; tetrahydrofuran / 75 °C

2: sodium hypochlorite / tetrahydrofuran / 0 - 25 °C

With sodium hypochlorite; tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium hydroxide; In tetrahydrofuran; 1,2-dimethoxyethane; water; 1: |Suzuki Coupling;

DOI:10.1016/j.bmcl.2013.03.031

upstream raw materials:

1-(3-bromo-4-fluorophenyl)-3-(3,5-dichlorophenyl)-4,4,4-trifluoro-2-buten-1-one

2-(3,5-dichlorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

1,3-dichloro-5-(3,3,3-trifluoroprop-1-en-2-yl)benzene

3-bromo-4-fluorobenzaldehyde oxime