ethyl 1-cyclopropanecarbonyl-3-(5-methoxy-2-nitrobenzoyl)-Δ²-pyrazoline-5-carboxylate

Base Information

• Chemical Name: ethyl 1-cyclopropanecarbonyl-3-(5-methoxy-2-nitrobenzoyl)-Δ²-pyrazoline-5-carboxylate
• CAS No.: 710300-34-8
• Molecular Formula: C₁₈H₁₉N₃O₇
• Molecular Weight: 389.365

Synonyms:ethyl 1-cyclopropanecarbonyl-3-(5-methoxy-2-nitrobenzoyl)-Δ²-pyrazoline-5-carboxylate

Chemical Property of ethyl 1-cyclopropanecarbonyl-3-(5-methoxy-2-nitrobenzoyl)-Δ²-pyrazoline-5-carboxylate

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Technology Process of ethyl 1-cyclopropanecarbonyl-3-(5-methoxy-2-nitrobenzoyl)-Δ²-pyrazoline-5-carboxylate

There total 3 articles about ethyl 1-cyclopropanecarbonyl-3-(5-methoxy-2-nitrobenzoyl)-Δ²-pyrazoline-5-carboxylate 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: 99.0%

cyclopropanecarboxylic acid chloride (4023-34-1) + ethyl 3-(5-methoxy-2-nitrobenzoyl)-Δ2-pyrazoline-5-carboxylate (710300-07-5) → ethyl 1-cyclopropanecarbonyl-3-(5-methoxy-2-nitrobenzoyl)-Δ2-pyrazoline-5-carboxylate (710300-34-8)

Guidance literature:

With triethylamine; In dichloromethane; at 20 ℃; for 3h;

DOI:10.1016/j.tet.2004.03.013

Reference yield:

5-methoxy-2-nitrobenzoyl chloride (63932-00-3) → ethyl 1-cyclopropanecarbonyl-3-(5-methoxy-2-nitrobenzoyl)-Δ2-pyrazoline-5-carboxylate (710300-34-8)

Guidance literature:

Multi-step reaction with 3 steps

1: 65 percent / diethyl ether / 3 h

2: 80 percent / 16 h

3: 99 percent / triethylamine / CH₂Cl₂ / 3 h / 20 °C

With triethylamine; In diethyl ether; dichloromethane;

DOI:10.1016/j.tet.2004.03.013

Reference yield:

5-methoxy-2-nitrodiazoacetophenone (710299-96-0) → ethyl 1-cyclopropanecarbonyl-3-(5-methoxy-2-nitrobenzoyl)-Δ2-pyrazoline-5-carboxylate (710300-34-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 80 percent / 16 h

2: 99 percent / triethylamine / CH₂Cl₂ / 3 h / 20 °C

With triethylamine; In dichloromethane;

DOI:10.1016/j.tet.2004.03.013

upstream raw materials:

cyclopropanecarboxylic acid chloride

ethyl 3-(5-methoxy-2-nitrobenzoyl)-Δ²-pyrazoline-5-carboxylate

5-methoxy-2-nitrobenzoyl chloride

5-methoxy-2-nitrodiazoacetophenone

Downstream raw materials:

ethyl 3-(2-amino-5-methoxybenzoyl)-1-cyclopropanecarbonyl-Δ²-pyrazoline-5-carboxylate

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