7-Ethoxy-4-oxo-9-phenyl-2-p-tolyl-1,2,3,4-tetrahydro-pyrido[3',2':4,5]thieno[3,2-d]pyrimidine-8-carbonitrile

Base Information

Chemical Name:7-Ethoxy-4-oxo-9-phenyl-2-p-tolyl-1,2,3,4-tetrahydro-pyrido[3',2':4,5]thieno[3,2-d]pyrimidine-8-carbonitrile
CAS No.:146630-21-9
Molecular Formula:C₂₅H₂₀N₄O₂S
Molecular Weight:440.525
Hs Code.:

Synonyms:7-Ethoxy-4-oxo-9-phenyl-2-p-tolyl-1,2,3,4-tetrahydro-pyrido[3',2':4,5]thieno[3,2-d]pyrimidine-8-carbonitrile

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Chemical Property of 7-Ethoxy-4-oxo-9-phenyl-2-p-tolyl-1,2,3,4-tetrahydro-pyrido[3',2':4,5]thieno[3,2-d]pyrimidine-8-carbonitrile

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Technology Process of 7-Ethoxy-4-oxo-9-phenyl-2-p-tolyl-1,2,3,4-tetrahydro-pyrido[3',2':4,5]thieno[3,2-d]pyrimidine-8-carbonitrile

There total 4 articles about 7-Ethoxy-4-oxo-9-phenyl-2-p-tolyl-1,2,3,4-tetrahydro-pyrido[3',2':4,5]thieno[3,2-d]pyrimidine-8-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: 70.0%

: 104-87-0
4-methyl-benzaldehyde

: 146630-15-1
3-Amino-5-cyano-6-ethoxy-4-phenyl-thieno[2,3-b]pyridine-2-carboxylic acid amide

: 146630-21-9
7-Ethoxy-4-oxo-9-phenyl-2-p-tolyl-1,2,3,4-tetrahydro-pyrido[3',2':4,5]thieno[3,2-d]pyrimidine-8-carbonitrile

Guidance literature:: With toluene-4-sulfonic acid; In toluene; for 2h; Heating;
DOI:10.1002/jhet.5570290704

Reference yield:

: 2-chloro-6-ethoxy-4-phenylpyridine-3,5-dicarbonitrile

: 146630-21-9
7-Ethoxy-4-oxo-9-phenyl-2-p-tolyl-1,2,3,4-tetrahydro-pyrido[3',2':4,5]thieno[3,2-d]pyrimidine-8-carbonitrile

Guidance literature:: Multi-step reaction with 3 steps

1: 80 percent / Na₂S / ethanol / 3 h / Heating

2: 70 percent / K₂CO₃ / ethanol / 3 h / Heating

3: 70 percent / p-TsOH / toluene / 2 h / Heating

With sodium sulfide; potassium carbonate; toluene-4-sulfonic acid; In ethanol; toluene;
DOI:10.1002/jhet.5570290704

Reference yield:

: 146630-13-9
3,5-dicyano-6-ethoxy-4-phenylpyridine-2-(1H)-thione

: 146630-21-9
7-Ethoxy-4-oxo-9-phenyl-2-p-tolyl-1,2,3,4-tetrahydro-pyrido[3',2':4,5]thieno[3,2-d]pyrimidine-8-carbonitrile

Guidance literature:: Multi-step reaction with 2 steps

1: 70 percent / K₂CO₃ / ethanol / 3 h / Heating

2: 70 percent / p-TsOH / toluene / 2 h / Heating

With potassium carbonate; toluene-4-sulfonic acid; In ethanol; toluene;
DOI:10.1002/jhet.5570290704