Methyl 4-bromo-2,3-dimethylbenzoate

Base Information

• Chemical Name: Methyl 4-bromo-2,3-dimethylbenzoate
• CAS No.: 6021-32-5
• Molecular Formula: C10H11 Br O2
• Molecular Weight: 399.3988
• Hs Code.: 2916399090
• Mol file: 6021-32-5.mol

Synonyms:

Chemical Property of Methyl 4-bromo-2,3-dimethylbenzoate

Chemical Property:

• Vapor Pressure: 3.27E-15mmHg at 25°C
• Boiling Point: 618.2°Cat760mmHg
• Flash Point: 327.7°C
• PSA: 26.30000
• Density: 1.354g/cm³
• LogP: 2.85250
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

98%Min ^*data from raw suppliers

Methyl4-bromo-2,3-dimethylbenzoate 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Methyl 4-bromo-2,3-dimethylbenzoate

There total 3 articles about Methyl 4-bromo-2,3-dimethylbenzoate 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: 85.0%

methanol (67-56-1) + carbon monoxide (201230-82-2) + 4-bromo-2,3-dimethylphenyl trifluoromethanesulfonate (1427286-55-2) → dimethyl 2,3-dimethylterephthalate (14186-58-4) + methyl 4-bromo-2,3-dimethylbenzoate (6021-32-5)

Guidance literature:

With 1,3-bis-(diphenylphosphino)propane; palladium diacetate; triethylamine; In dimethyl sulfoxide; at 70 ℃; for 1.33333h; Inert atmosphere;

DOI:10.1039/c3cc38676g

Reference yield:

4-bromo-2,3-dimethylphenol (22802-37-5) → dimethyl 2,3-dimethylterephthalate (14186-58-4) + methyl 4-bromo-2,3-dimethylbenzoate (6021-32-5)

Guidance literature:

Multi-step reaction with 2 steps

1: pyridine / dichloromethane / 2 h / 0 - 25 °C / Inert atmosphere

2: triethylamine; palladium diacetate; 1,3-bis-(diphenylphosphino)propane / dimethyl sulfoxide / 1.33 h / 70 °C / Inert atmosphere

With pyridine; 1,3-bis-(diphenylphosphino)propane; palladium diacetate; triethylamine; In dichloromethane; dimethyl sulfoxide;

DOI:10.1039/c3cc38676g

Reference yield:

→ methyl 4-bromo-2,3-dimethylbenzoate (6021-32-5)

Guidance literature:

4-Amino-2,3-dimethyl-benzoesaeure-methylester, 1.) wss. Bromwasserstoffsaeure, Diazotier., 2.) wss. Kupfer(I)-bromid, wss. Bromwasserstoffsaeure, Kaelte;

upstream raw materials:

4-bromo-2,3-dimethylphenol

methanol

carbon monoxide

4-bromo-2,3-dimethylphenyl trifluoromethanesulfonate

Downstream raw materials:

methyl 4-ethynyl-2,3-dimethylbenzoate

methyl (E)-2,3-dimethyl-4-(2-(tributylstannyl)vin-1-yl)benzoate

methyl (Z)-2,3-dimethyl-4-(2-(tributylstannyl)vin-1-yl)benzoate

dimethyl (1E,3E,5E,7E,9E,11E,13E,15E,17E) 4,4'-(3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl)-bis-(2,3-dimethylbenzoate)

Refernces