Ethyl 3-(4-Carbamoyl-2-phenyl-3-pyrazoloamino)methylene-2,4-dioxovalerate

Base Information

• Chemical Name: Ethyl 3-(4-Carbamoyl-2-phenyl-3-pyrazoloamino)methylene-2,4-dioxovalerate
• CAS No.: 76164-73-3
• Molecular Formula: C₁₈H₁₈N₄O₅
• Molecular Weight: 370.365

Synonyms:Ethyl 3-(4-Carbamoyl-2-phenyl-3-pyrazoloamino)methylene-2,4-dioxovalerate

Chemical Property of Ethyl 3-(4-Carbamoyl-2-phenyl-3-pyrazoloamino)methylene-2,4-dioxovalerate

Chemical Property:

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Technology Process of Ethyl 3-(4-Carbamoyl-2-phenyl-3-pyrazoloamino)methylene-2,4-dioxovalerate

There total 2 articles about Ethyl 3-(4-Carbamoyl-2-phenyl-3-pyrazoloamino)methylene-2,4-dioxovalerate 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: 96.0%

5-amino-1-phenyl-1H-pyrazole-4-carboxamide (50427-77-5) + ethyl 3-(ethoxymethylene)-2,4-dioxovalerate (57397-70-3) → Ethyl 3-(4-Carbamoyl-2-phenyl-3-pyrazoloamino)methylene-2,4-dioxovalerate (76164-73-3)

Guidance literature:

In ethanol; at 0 ℃;

Reference yield:

→ Ethyl 3-(4-Carbamoyl-2-phenyl-3-pyrazoloamino)methylene-2,4-dioxovalerate (76164-73-3)

Guidance literature:

3-Amino-pyrazol-4-carboxamid (1b), 2,4-Dioxovalerat (2);

Reference yield: 42.6%

Ethyl 3-(4-Carbamoyl-2-phenyl-3-pyrazoloamino)methylene-2,4-dioxovalerate (76164-73-3) → 3-Acetyl-3a,4-dihydro-2-hydroxy-8-phenylpyrrolo<1,2-a>pyrazolo<4,3-e>pyrimidine-1,5-dione (70169-87-8) + 1-phenyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (21314-17-0)

Guidance literature:

With acetic acid; for 3h; Heating;

upstream raw materials:

5-amino-1-phenyl-1H-pyrazole-4-carboxamide

ethyl 3-(ethoxymethylene)-2,4-dioxovalerate

Downstream raw materials:

3-Acetyl-3a,4-dihydro-2-hydroxy-8-phenylpyrrolo<1,2-a>pyrazolo<4,3-e>pyrimidine-1,5-dione

1-phenyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

3-Acetyl-3a,4-dihydro-2-methoxy-8-phenylpyrrolo<1,2-a>pyrazolo<4,3-e>pyrimidine-1,5-dione

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