ethyl 4-oxo-3-phenyl-2-thioxo-1,2,3,4,5,8-hexahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(6H)-carboxylate

Base Information

• Chemical Name: ethyl 4-oxo-3-phenyl-2-thioxo-1,2,3,4,5,8-hexahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(6H)-carboxylate
• CAS No.: 724733-05-5
• Molecular Formula: C₁₈H₁₇N₃O₃S₂
• Molecular Weight: 387.483
• Mol file: 724733-05-5.mol

Synonyms:ethyl 4-oxo-3-phenyl-2-thioxo-1,2,3,4,5,8-hexahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(6H)-carboxylate

Chemical Property of ethyl 4-oxo-3-phenyl-2-thioxo-1,2,3,4,5,8-hexahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(6H)-carboxylate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of ethyl 4-oxo-3-phenyl-2-thioxo-1,2,3,4,5,8-hexahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(6H)-carboxylate

There total 3 articles about ethyl 4-oxo-3-phenyl-2-thioxo-1,2,3,4,5,8-hexahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(6H)-carboxylate 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: 92.0%

diethyl 2-({[(phenyl)amino]carbothioyl}amino)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3,6-dicarboxylate (312948-54-2) → ethyl 4-oxo-3-phenyl-2-thioxo-1,2,3,4,5,8-hexahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(6H)-carboxylate (724733-05-5)

Guidance literature:

With sodium ethanolate; In ethanol; for 1h; Heating;

DOI:10.1080/10426500500263748

Reference yield:

aniline (62-53-3) → ethyl 4-oxo-3-phenyl-2-thioxo-1,2,3,4,5,8-hexahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(6H)-carboxylate (724733-05-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 90 percent / CH₂Cl₂ / 2 h / 20 °C

2: 92 percent / EtONa / ethanol / 1 h / Heating

With sodium ethanolate; In ethanol; dichloromethane;

DOI:10.1080/10426500500263748

Reference yield:

diethyl 2-isothiocyanato-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3,6-dicarboxylate (258330-01-7) → ethyl 4-oxo-3-phenyl-2-thioxo-1,2,3,4,5,8-hexahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(6H)-carboxylate (724733-05-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 90 percent / CH₂Cl₂ / 2 h / 20 °C

2: 92 percent / EtONa / ethanol / 1 h / Heating

With sodium ethanolate; In ethanol; dichloromethane;

DOI:10.1080/10426500500263748

upstream raw materials:

diethyl 2-({[(phenyl)amino]carbothioyl}amino)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3,6-dicarboxylate

aniline

diethyl 2-isothiocyanato-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3,6-dicarboxylate

Downstream raw materials:

ethyl 2-(2-hydroxyethylamino)-4-oxo-3-phenyl-3,4,5,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(6H)-carboxylate

ethyl 2-hydrazino-4-oxo-3-phenyl-3,4,5,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(6H)-carboxylate

ethyl 4-oxo-3-phenyl-2-methylthio-3,4,5,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(6H)-carboxylate