5-(α-Brombenzyliden)-4-hydroxy-2-oxo-3-pyrrolin-3-carbonsaeuremethylester

Base Information

• Chemical Name: 5-(α-Brombenzyliden)-4-hydroxy-2-oxo-3-pyrrolin-3-carbonsaeuremethylester
• CAS No.: 97066-42-7
• Molecular Formula: C₁₃H₁₀BrNO₄
• Molecular Weight: 324.131

Synonyms:5-(α-Brombenzyliden)-4-hydroxy-2-oxo-3-pyrrolin-3-carbonsaeuremethylester

Chemical Property of 5-(α-Brombenzyliden)-4-hydroxy-2-oxo-3-pyrrolin-3-carbonsaeuremethylester

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Technology Process of 5-(α-Brombenzyliden)-4-hydroxy-2-oxo-3-pyrrolin-3-carbonsaeuremethylester

There total 1 articles about 5-(α-Brombenzyliden)-4-hydroxy-2-oxo-3-pyrrolin-3-carbonsaeuremethylester 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: 90.0%

4-Hydroxy-2-oxo-5-[1-phenyl-meth-(E)-ylidene]-2,5-dihydro-1H-pyrrole-3-carboxylic acid ethyl ester (79208-18-7) → 5-(α-Brombenzyliden)-4-hydroxy-2-oxo-3-pyrrolin-3-carbonsaeuremethylester (97066-42-7)

Guidance literature:

With bromine; In acetic acid;

DOI:10.1002/ardp.19853180406

Reference yield: 85.0%

diazomethane (186581-53-3,908094-01-9,334-88-3) + 5-(α-Brombenzyliden)-4-hydroxy-2-oxo-3-pyrrolin-3-carbonsaeuremethylester (97066-42-7) → methyl 5-[bromo(phenyl)methylidene]-2,5-dihydro-4-methoxy-2-oxo-1H-1H-pyrrole-3-carboxylate (97066-53-0)

Guidance literature:

In diethyl ether;

DOI:10.1002/ardp.19853180406

Reference yield: 80.0%

5-(α-Brombenzyliden)-4-hydroxy-2-oxo-3-pyrrolin-3-carbonsaeuremethylester (97066-42-7) → (Z)-2-(bromo(phenyl)methylene)-3-hydroxy-1H-pyrrol-5-one (97066-41-6)

Guidance literature:

With water; In ethyl acetate; for 2h; Heating;

DOI:10.1002/ardp.19853180406

upstream raw materials:

4-Hydroxy-2-oxo-5-[1-phenyl-meth-(E)-ylidene]-2,5-dihydro-1H-pyrrole-3-carboxylic acid ethyl ester

Downstream raw materials:

methyl 5-[bromo(phenyl)methylidene]-2,5-dihydro-4-methoxy-2-oxo-1H-1H-pyrrole-3-carboxylate

4-hydroxy-5-(methoxyphenyl-methylene)-1,5-dihydropyrrol-2-one

1,2-Dihydro-4-hydroxy-5-methoxy-2-oxo-6-phenylpyridin-3-carbonsaeure-methylester

(Z)-2-(bromo(phenyl)methylene)-3-hydroxy-1H-pyrrol-5-one

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