2-(4-Chlorophenyl)-2,5-dihydro-6-methyl-7-(4-nitrophenyl]pyrazolo[4,3-c]pyridin-3-one

Base Information

• Chemical Name: 2-(4-Chlorophenyl)-2,5-dihydro-6-methyl-7-(4-nitrophenyl]pyrazolo[4,3-c]pyridin-3-one
• CAS No.: 244638-72-0
• Molecular Formula: C₁₉H₁₃ClN₄O₃
• Molecular Weight: 380.79

Synonyms:2-(4-Chlorophenyl)-2,5-dihydro-6-methyl-7-(4-nitrophenyl]pyrazolo[4,3-c]pyridin-3-one

Chemical Property of 2-(4-Chlorophenyl)-2,5-dihydro-6-methyl-7-(4-nitrophenyl]pyrazolo[4,3-c]pyridin-3-one

Chemical Property:

Purity/Quality:

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Technology Process of 2-(4-Chlorophenyl)-2,5-dihydro-6-methyl-7-(4-nitrophenyl]pyrazolo[4,3-c]pyridin-3-one

There total 4 articles about 2-(4-Chlorophenyl)-2,5-dihydro-6-methyl-7-(4-nitrophenyl]pyrazolo[4,3-c]pyridin-3-one 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:

Ethyl 4-chloro-2-methyl-3-(4-nitrophenyl)-5-pyridinecarboxylate (244638-71-9) + 4-chlorophenylhydrazine hydrochloride (1073-70-7) → 2-(4-Chlorophenyl)-2,5-dihydro-6-methyl-7-(4-nitrophenyl]pyrazolo[4,3-c]pyridin-3-one (244638-72-0)

Guidance literature:

In butan-1-ol; Heating;

DOI:10.1016/j.bmcl.2005.08.006

Reference yield:

Ethyl 1,4-dihydro-2-methyl-3-(4-nitrophenyl)-4-oxo-5-pyridinecarboxylate (244638-70-8) → 2-(4-Chlorophenyl)-2,5-dihydro-6-methyl-7-(4-nitrophenyl]pyrazolo[4,3-c]pyridin-3-one (244638-72-0)

Guidance literature:

Multi-step reaction with 2 steps

1: phosphorus oxychloride / Heating

2: butan-1-ol / Heating

With trichlorophosphate; In butan-1-ol;

DOI:10.1016/j.bmcl.2005.08.006

Reference yield:

2-{[(Z)-1-Methyl-2-(4-nitro-phenyl)-vinylamino]-methylene}-malonic acid diethyl ester (868363-14-8) → 2-(4-Chlorophenyl)-2,5-dihydro-6-methyl-7-(4-nitrophenyl]pyrazolo[4,3-c]pyridin-3-one (244638-72-0)

Guidance literature:

Multi-step reaction with 3 steps

1: diphenyl ether; various solvent(s) / Heating

2: phosphorus oxychloride / Heating

3: butan-1-ol / Heating

With trichlorophosphate; In diphenylether; butan-1-ol;

DOI:10.1016/j.bmcl.2005.08.006

upstream raw materials:

Ethyl 4-chloro-2-methyl-3-(4-nitrophenyl)-5-pyridinecarboxylate

4-chlorophenylhydrazine hydrochloride

Ethyl 1,4-dihydro-2-methyl-3-(4-nitrophenyl)-4-oxo-5-pyridinecarboxylate

2-{[(Z)-1-Methyl-2-(4-nitro-phenyl)-vinylamino]-methylene}-malonic acid diethyl ester

Downstream raw materials:

methanesulfonic acid 3-{4-[2-(4-chloro-phenyl)-6-methyl-3-oxo-3,5-dihydro-2H-pyrazolo[4,3-c]pyridin-7-yl]-phenyl}-prop-2-ynyl ester

7-[4-(3-azido-prop-1-ynyl)-phenyl]-2-(4-chloro-phenyl)-6-methyl-2,5-dihydro-pyrazolo[4,3-c]pyridin-3-one

2-(4-chlorophenyl)-2,5-dihydro-7-[4-(3-hydroxyprop-1-yn-1-yl)phenyl]-6-methylpyrazolo[4,3-c]pyridin-3-one

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