3-(4-bromo-phenyl)-2,2-dimethyl-3-oxo-propionic acid methyl ester

Base Information

• Chemical Name: 3-(4-bromo-phenyl)-2,2-dimethyl-3-oxo-propionic acid methyl ester
• CAS No.: 644985-25-1
• Molecular Formula: C₁₂H₁₃BrO₃
• Molecular Weight: 285.137
• Mol file: 644985-25-1.mol

Synonyms:3-(4-bromo-phenyl)-2,2-dimethyl-3-oxo-propionic acid methyl ester

Chemical Property of 3-(4-bromo-phenyl)-2,2-dimethyl-3-oxo-propionic acid methyl ester

Chemical Property:

Purity/Quality:

Safty Information:

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MSDS Files:

Useful:

Technology Process of 3-(4-bromo-phenyl)-2,2-dimethyl-3-oxo-propionic acid methyl ester

There total 4 articles about 3-(4-bromo-phenyl)-2,2-dimethyl-3-oxo-propionic acid methyl ester 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: 34.0%

1-methoxy-2-methyl-1-trimethylsiloxy-1-propene (31469-15-5) + 4-bromo-benzaldehyde (1122-91-4) → methyl 3-(4-bromophenyl)-3-hydroxy-2,2-dimethylpropionate (290370-47-7) + 3-(4-bromo-phenyl)-2,2-dimethyl-3-oxo-propionic acid methyl ester (644985-25-1)

Guidance literature:

1-methoxy-2-methyl-1-trimethylsiloxy-1-propene; 4-bromo-benzaldehyde; With mischmetall tribromide*(thf)2.6; In dichloromethane; at 20 ℃; for 3h;

With hydrogenchloride; In tetrahydrofuran; for 2h;

DOI:10.1016/j.tet.2003.07.017

Reference yield:

methyl 3-(4-bromophenyl)-3-oxopropanoate (126629-81-0) + methyl iodide (74-88-4) → 3-(4-bromo-phenyl)-2,2-dimethyl-3-oxo-propionic acid methyl ester (644985-25-1)

Guidance literature:

methyl 3-(4-bromophenyl)-3-oxopropanoate; With potassium carbonate; In N,N-dimethyl-formamide; at 20 ℃; for 0.5h;

methyl iodide; In N,N-dimethyl-formamide; at 20 ℃;

DOI:10.1021/acs.orglett.1c04322

Reference yield:

methyl 3-(4-bromophenyl)-3-hydroxy-2,2-dimethylpropionate (290370-47-7) → 3-(4-bromo-phenyl)-2,2-dimethyl-3-oxo-propionic acid methyl ester (644985-25-1)

Guidance literature:

With Dess-Martin periodane; In dichloromethane;

DOI:10.1016/j.bmcl.2003.08.056

upstream raw materials:

methyl 3-(4-bromophenyl)-3-hydroxy-2,2-dimethylpropionate

1-methoxy-2-methyl-1-trimethylsiloxy-1-propene

4-bromo-benzaldehyde

Methyl isobutyrate

Downstream raw materials:

[4-(4,4-dimethyl-5-oxo-4,5-dihydro-1H-pyrazol-3-yl)-phenyl]-carbamic acid benzyl ester

3-(4-aminophenyl)-4,4-dimethyl-1H-pyrazol-5(4H)-one