3,4-Diphenyl-6-p-tolyl-6,7-dihydro-5H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-one

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Chemical Name:3,4-Diphenyl-6-p-tolyl-6,7-dihydro-5H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-one
CAS No.:183382-20-9
Molecular Formula:C₂₇H₂₀N₄OS
Molecular Weight:448.548
Hs Code.:

Synonyms:3,4-Diphenyl-6-p-tolyl-6,7-dihydro-5H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-one

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Chemical Property of 3,4-Diphenyl-6-p-tolyl-6,7-dihydro-5H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-one

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Technology Process of 3,4-Diphenyl-6-p-tolyl-6,7-dihydro-5H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-one

There total 4 articles about 3,4-Diphenyl-6-p-tolyl-6,7-dihydro-5H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-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: 80.0%

: 104-87-0
4-methyl-benzaldehyde

: 135127-78-5
5-amino-3,4-diphenylthieno<2,3-c>pyridazine-6-carboxamide

: 183382-20-9
3,4-Diphenyl-6-p-tolyl-6,7-dihydro-5H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-one

Guidance literature:: With toluene-4-sulfonic acid; In toluene; Heating;
DOI:10.1007/BF00807079

Reference yield:

: 94011-79-7
3-chloro-5,6-diphenylpyridazine-4-carbonitrile

: 183382-20-9
3,4-Diphenyl-6-p-tolyl-6,7-dihydro-5H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-one

Guidance literature:: Multi-step reaction with 4 steps

1: 92 percent / NaHS*H₂O / ethanol / 0.5 h / Ambient temperature

2: 66 percent / K₂CO₃, KI / acetone / 1 h / Ambient temperature

3: 75 percent / K₂CO₃ / ethanol / 0.5 h / Heating

4: 80 percent / p-toluenesulfonic acid / toluene / Heating

With sodium hydrogensulfide; potassium carbonate; toluene-4-sulfonic acid; potassium iodide; In ethanol; acetone; toluene;
DOI:10.1007/BF00807079

Reference yield:

: 112450-34-7
4-cyano-5,6-diphenylpyridazine-3 (2H)-thione

: 183382-20-9
3,4-Diphenyl-6-p-tolyl-6,7-dihydro-5H-pyrimido[4',5':4,5]thieno[2,3-c]pyridazin-8-one

Guidance literature:: Multi-step reaction with 3 steps

1: 66 percent / K₂CO₃, KI / acetone / 1 h / Ambient temperature

2: 75 percent / K₂CO₃ / ethanol / 0.5 h / Heating

3: 80 percent / p-toluenesulfonic acid / toluene / Heating

With potassium carbonate; toluene-4-sulfonic acid; potassium iodide; In ethanol; acetone; toluene;
DOI:10.1007/BF00807079