4-(2,4-difluoro-phenyl)-2-methoxy-6-methyl-1,4-dihydro-pyrimidine-5-carboxylic acid methyl ester

Base Information

• Chemical Name: 4-(2,4-difluoro-phenyl)-2-methoxy-6-methyl-1,4-dihydro-pyrimidine-5-carboxylic acid methyl ester
• CAS No.: 251930-55-9
• Molecular Formula: C₁₄H₁₄F₂N₂O₃
• Molecular Weight: 296.274

Synonyms:4-(2,4-difluoro-phenyl)-2-methoxy-6-methyl-1,4-dihydro-pyrimidine-5-carboxylic acid methyl ester

Chemical Property of 4-(2,4-difluoro-phenyl)-2-methoxy-6-methyl-1,4-dihydro-pyrimidine-5-carboxylic acid methyl ester

Chemical Property:

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Technology Process of 4-(2,4-difluoro-phenyl)-2-methoxy-6-methyl-1,4-dihydro-pyrimidine-5-carboxylic acid methyl ester

There total 3 articles about 4-(2,4-difluoro-phenyl)-2-methoxy-6-methyl-1,4-dihydro-pyrimidine-5-carboxylic 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:

O-methylisourea hemisulfate (29427-58-5,24285-39-0) + 2-[1-(2,4-Difluoro-phenyl)-meth-(Z)-ylidene]-3-oxo-butyric acid methyl ester (251930-48-0) → 4-(2,4-difluoro-phenyl)-2-methoxy-6-methyl-1,4-dihydro-pyrimidine-5-carboxylic acid methyl ester (251930-55-9)

Guidance literature:

With sodium hydrogencarbonate; In N,N-dimethyl-formamide; at 70 ℃; for 16h;

DOI:10.1021/jm990200p

Reference yield:

2,4-difluorobenzaldehyde (1550-35-2) → 4-(2,4-difluoro-phenyl)-2-methoxy-6-methyl-1,4-dihydro-pyrimidine-5-carboxylic acid methyl ester (251930-55-9)

Guidance literature:

Multi-step reaction with 2 steps

1: piperidine; AcOH / benzene / 8 h / Heating

2: NaHCO₃ / dimethylformamide / 16 h / 70 °C

With piperidine; sodium hydrogencarbonate; acetic acid; In N,N-dimethyl-formamide; benzene; 1: Condensation / 2: Condensation;

DOI:10.1021/jm990200p

Reference yield:

acetoacetic acid methyl ester (105-45-3) → 4-(2,4-difluoro-phenyl)-2-methoxy-6-methyl-1,4-dihydro-pyrimidine-5-carboxylic acid methyl ester (251930-55-9)

Guidance literature:

Multi-step reaction with 2 steps

1: piperidine; AcOH / benzene / 8 h / Heating

2: NaHCO₃ / dimethylformamide / 16 h / 70 °C

With piperidine; sodium hydrogencarbonate; acetic acid; In N,N-dimethyl-formamide; benzene; 1: Condensation / 2: Condensation;

DOI:10.1021/jm990200p

upstream raw materials:

O-methylisourea hemisulfate

2-[1-(2,4-Difluoro-phenyl)-meth-(Z)-ylidene]-3-oxo-butyric acid methyl ester

2,4-difluorobenzaldehyde

acetoacetic acid methyl ester

Downstream raw materials:

6-(2,4-difluorophenyl)-1,6-dihydro-2-methoxy-5-methoxycarbonyl-4-methyl-1-[(4-nitrophenyloxy)carbonyl]pyrimidine

6-(2,4-difluoro-phenyl)-2-methoxy-1-[3-(4-methoxycarbonyl-4-phenyl-piperidin-1-yl)-propylcarbamoyl]-4-methyl-1,6-dihydro-pyrimidine-5-carboxylic acid methyl ester

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