3-benzyl-2-(2-bromo-3,4,5-trimethoxyphenyl)-8-hydroxy-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one

Base Information

• Chemical Name: 3-benzyl-2-(2-bromo-3,4,5-trimethoxyphenyl)-8-hydroxy-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one
• CAS No.: 845514-71-8
• Molecular Formula: C₂₆H₂₁BrN₂O₅S
• Molecular Weight: 553.433

Synonyms:3-benzyl-2-(2-bromo-3,4,5-trimethoxyphenyl)-8-hydroxy-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one

Chemical Property of 3-benzyl-2-(2-bromo-3,4,5-trimethoxyphenyl)-8-hydroxy-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one

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Technology Process of 3-benzyl-2-(2-bromo-3,4,5-trimethoxyphenyl)-8-hydroxy-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one

There total 3 articles about 3-benzyl-2-(2-bromo-3,4,5-trimethoxyphenyl)-8-hydroxy-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-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:

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-2-(2-bromo-3,4,5-trimethoxyphenyl)-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one + 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) + acetic acid 3-benzyl-2-(2-bromo-3,4,5-trimethoxyphenyl)-4-oxo-3,4-dihydro-benzo[4,5]thieno[2,3-d]pyrimidin-8-yl ester + 3-benzyl-7-bromo-2-(2-bromo-3,4,5-trimethoxyphenyl)-8-hydroxy-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one

Guidance literature:

With sodium acetate; In acetic acid; at 180 ℃; for 1h; Irradiation;

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-2-(2-bromo-3,4,5-trimethoxyphenyl)-8-hydroxy-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one (845514-71-8)

Guidance literature:

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

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