5-ethyl-3-oxo-2-(p-tolyl)-6-(p-tolylazo)-2,3-dihydropyridazine-4-carbonitrile

Base Information

• Chemical Name: 5-ethyl-3-oxo-2-(p-tolyl)-6-(p-tolylazo)-2,3-dihydropyridazine-4-carbonitrile
• CAS No.: 1022906-72-4
• Molecular Formula: C₂₁H₁₉N₅O
• Molecular Weight: 357.415

Synonyms:5-ethyl-3-oxo-2-(p-tolyl)-6-(p-tolylazo)-2,3-dihydropyridazine-4-carbonitrile

Chemical Property of 5-ethyl-3-oxo-2-(p-tolyl)-6-(p-tolylazo)-2,3-dihydropyridazine-4-carbonitrile

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Technology Process of 5-ethyl-3-oxo-2-(p-tolyl)-6-(p-tolylazo)-2,3-dihydropyridazine-4-carbonitrile

There total 2 articles about 5-ethyl-3-oxo-2-(p-tolyl)-6-(p-tolylazo)-2,3-dihydropyridazine-4-carbonitrile 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: 64.0%

1-[2-(4-methylphenyl)-1-diazenyl]-1-[2-(4-methylphenyl)hydrazono]butan-2-one (825633-13-4) + ethyl 2-cyanoacetate (105-56-6) → 5-ethyl-3-oxo-2-(p-tolyl)-6-(p-tolylazo)-2,3-dihydropyridazine-4-carbonitrile (1022906-72-4)

Guidance literature:

With ammonium acetate; at 200 ℃; for 0.25h;

DOI:10.3987/COM-07-11301

Reference yield: 64.0%

1-[2-(4-methylphenyl)-1-diazenyl]-1-[2-(4-methylphenyl)hydrazono]butan-2-one + ethyl 2-cyanoacetate (105-56-6) → 5-ethyl-3-oxo-2,6-di-p-tolyl-2,3-dihydropyridazine-4-carbonitrile (1022906-74-6) + 5-ethyl-3-oxo-2-(p-tolyl)-6-(p-tolylazo)-2,3-dihydropyridazine-4-carbonitrile (1022906-72-4)

Guidance literature:

With ammonium acetate; at 200 ℃; for 0.25h; microwave irradiation;

DOI:10.1002/jhet.5570450210

Reference yield: 89.0%

5-ethyl-3-oxo-2-(p-tolyl)-6-(p-tolylazo)-2,3-dihydropyridazine-4-carbonitrile (1022906-72-4) → 7-amino-5-methyl-2-(p-tolyl)-4-(p-tolylazo)-2H-thieno[3,4-d]pyridazin-1-one (1022906-76-8)

Guidance literature:

With piperidine; sulfur; In 1,4-dioxane; for 4h; Reflux;

DOI:10.3390/molecules18067081

upstream raw materials:

ethyl 2-cyanoacetate

1-[2-(4-methylphenyl)-1-diazenyl]-1-[2-(4-methylphenyl)hydrazono]butan-2-one

Downstream raw materials:

7-amino-5-methyl-2-(p-tolyl)-4-(p-tolylazo)-2H-thieno[3,4-d]pyridazin-1-one

8-methyl-3-p-tolyl-1-(p-tolyldiazenyl)pyrido[3,4-d]pyridazine-4,5(3H,6H)-dione

9-amino-5-methyl-7-phenyl-2-(p-tolyl)-4-(p-tolylazo)-2H-pyrrolo[3,4-g]phthalazine-1,6,8-trione

N,N-dimethyl-N'-(7-methyl-4-oxo-3-p-tolyl-1-p-tolylazo-3,4-dihydrothieno[3,4-d]pyridazin-5-yl)-formamidine

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