3-benzyl-7-bromo-2-(3,4,5-trimethoxyphenyl)-6,7-dihydro-3H,5H-benzo[4,5]thieno[2,3-d]pyrimidine-4,8-dione

Base Information

• Chemical Name: 3-benzyl-7-bromo-2-(3,4,5-trimethoxyphenyl)-6,7-dihydro-3H,5H-benzo[4,5]thieno[2,3-d]pyrimidine-4,8-dione
• CAS No.: 845514-68-3
• Molecular Formula: C₂₆H₂₃BrN₂O₅S
• Molecular Weight: 555.449

Synonyms:3-benzyl-7-bromo-2-(3,4,5-trimethoxyphenyl)-6,7-dihydro-3H,5H-benzo[4,5]thieno[2,3-d]pyrimidine-4,8-dione

Chemical Property of 3-benzyl-7-bromo-2-(3,4,5-trimethoxyphenyl)-6,7-dihydro-3H,5H-benzo[4,5]thieno[2,3-d]pyrimidine-4,8-dione

Chemical Property:

Purity/Quality:

Safty Information:

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MSDS Files:

Useful:

Technology Process of 3-benzyl-7-bromo-2-(3,4,5-trimethoxyphenyl)-6,7-dihydro-3H,5H-benzo[4,5]thieno[2,3-d]pyrimidine-4,8-dione

There total 2 articles about 3-benzyl-7-bromo-2-(3,4,5-trimethoxyphenyl)-6,7-dihydro-3H,5H-benzo[4,5]thieno[2,3-d]pyrimidine-4,8-dione 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:

3-benzyl-6,7-dihydro-2-(3,4,5-trimethoxyphenyl)-3H,5H-benzo[4,5]thieno[2,3-d]pyrimidine-4,8-dione (845514-28-5) + dibenzoyl peroxide (94-36-0) → 3-benzyl-7-bromo-2-(3,4,5-trimethoxyphenyl)-6,7-dihydro-3H,5H-benzo[4,5]thieno[2,3-d]pyrimidine-4,8-dione (845514-68-3)

Guidance literature:

With bromine; In dichloromethane;

Reference yield:

3-benzyl-6,7-dihydro-2-(3,4,5-trimethoxyphenyl)-3H,5H-benzo[4,5]thieno[2,3-d]pyrimidine-4,8-dione (845514-28-5) → 3-benzyl-2-(2-bromo-3,4,5-trimethoxyphenyl)-8-hydroxy-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one (845514-71-8) + 3-benzyl-7-bromo-2-(3,4,5-trimethoxyphenyl)-6,7-dihydro-3H,5H-benzo[4,5]thieno[2,3-d]pyrimidine-4,8-dione (845514-68-3) + 3-benzyl-7-bromo-2-(2-bromo-3,4,5-trimethoxyphenyl)-6,7-dihydro-3H,5H-benzo[4,5]thieno[2,3-d]pyrimidine-4,8-dione + 3-benzyl-7,7-dibromo-2-(2-bromo-3,4,5-trimethoxyphenyl)-6,7-dihydro-3H,5H-benzo[4,5]thieno[2,3-d]pyrimidine-4,8-dione

Guidance literature:

With bromine; dibenzoyl peroxide; In dichloromethane; for 3.5h; Heating / reflux;

Reference yield:

3-benzyl-7-bromo-2-(3,4,5-trimethoxyphenyl)-6,7-dihydro-3H,5H-benzo[4,5]thieno[2,3-d]pyrimidine-4,8-dione (845514-68-3) → 3-benzyl-7-bromo-9-oxo-2-(3,4,5-trimethoxyphenyl)-5,6,7,9-tetrahydro-3H-9lambda*4*-benzo[4,5]thieno[2,3-d]pyrimidine-4,8-dione

Guidance literature:

With sodium hydroxide; In pyridine; water; at 20 ℃; for 1.5h;

upstream raw materials:

3-benzyl-6,7-dihydro-2-(3,4,5-trimethoxyphenyl)-3H,5H-benzo[4,5]thieno[2,3-d]pyrimidine-4,8-dione

dibenzoyl peroxide

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