[3-(4-Bromo-2-fluoro-benzyl)-2,4-dioxo-3,4-dihydro-2H-benzo[4,5]thieno[3,2-d]pyrimidin-1-yl]-acetic acid ethyl ester

Base Information

• Chemical Name: [3-(4-Bromo-2-fluoro-benzyl)-2,4-dioxo-3,4-dihydro-2H-benzo[4,5]thieno[3,2-d]pyrimidin-1-yl]-acetic acid ethyl ester
• CAS No.: 128695-83-0
• Molecular Formula: C₂₁H₁₆BrFN₂O₄S
• Molecular Weight: 491.337

Synonyms:[3-(4-Bromo-2-fluoro-benzyl)-2,4-dioxo-3,4-dihydro-2H-benzo[4,5]thieno[3,2-d]pyrimidin-1-yl]-acetic acid ethyl ester

Chemical Property of [3-(4-Bromo-2-fluoro-benzyl)-2,4-dioxo-3,4-dihydro-2H-benzo[4,5]thieno[3,2-d]pyrimidin-1-yl]-acetic acid ethyl ester

Chemical Property:

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Technology Process of [3-(4-Bromo-2-fluoro-benzyl)-2,4-dioxo-3,4-dihydro-2H-benzo[4,5]thieno[3,2-d]pyrimidin-1-yl]-acetic acid ethyl ester

There total 4 articles about [3-(4-Bromo-2-fluoro-benzyl)-2,4-dioxo-3,4-dihydro-2H-benzo[4,5]thieno[3,2-d]pyrimidin-1-yl]-acetic acid ethyl ester 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-Amino-benzo[b]thiophene-2-carboxylic acid methyl ester (35212-85-2) → [3-(4-Bromo-2-fluoro-benzyl)-2,4-dioxo-3,4-dihydro-2H-benzo[4,5]thieno[3,2-d]pyrimidin-1-yl]-acetic acid ethyl ester (128695-83-0)

Guidance literature:

Multi-step reaction with 3 steps

1: 1.) dioxane, RT, 1 h, 2.) dioxane, RT, 12 h

2: CH₃ONa / methanol / 2 h / Heating

3: 1.) NaH / 1.) RT, 5 h, 2.) RT, 17 h

With sodium methylate; sodium hydride; In methanol;

DOI:10.1016/0223-5234(93)90112-R

Reference yield:

4-bromo-2-fluorobenzylamine (112734-22-2) → [3-(4-Bromo-2-fluoro-benzyl)-2,4-dioxo-3,4-dihydro-2H-benzo[4,5]thieno[3,2-d]pyrimidin-1-yl]-acetic acid ethyl ester (128695-83-0)

Guidance literature:

Multi-step reaction with 3 steps

1: 1.) dioxane, RT, 1 h, 2.) dioxane, RT, 12 h

2: CH₃ONa / methanol / 2 h / Heating

3: 1.) NaH / 1.) RT, 5 h, 2.) RT, 17 h

With sodium methylate; sodium hydride; In methanol;

DOI:10.1016/0223-5234(93)90112-R

Reference yield:

3-[3-(4-Bromo-2-fluoro-benzyl)-ureido]-benzo[b]thiophene-2-carboxylic acid methyl ester (1026561-43-2) → [3-(4-Bromo-2-fluoro-benzyl)-2,4-dioxo-3,4-dihydro-2H-benzo[4,5]thieno[3,2-d]pyrimidin-1-yl]-acetic acid ethyl ester (128695-83-0)

Guidance literature:

Multi-step reaction with 2 steps

1: CH₃ONa / methanol / 2 h / Heating

2: 1.) NaH / 1.) RT, 5 h, 2.) RT, 17 h

With sodium methylate; sodium hydride; In methanol;

DOI:10.1016/0223-5234(93)90112-R

upstream raw materials:

ethyl bromoacetate

3-(4-Bromo-2-fluoro-benzyl)-1H-benzo[4,5]thieno[3,2-d]pyrimidine-2,4-dione

3-Amino-benzo[b]thiophene-2-carboxylic acid methyl ester

4-bromo-2-fluorobenzylamine

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