3-[4-(difluoromethoxy)phenyl]-2-sulfanyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one

Base Information

• Chemical Name: 3-[4-(difluoromethoxy)phenyl]-2-sulfanyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one
• CAS No.: 342779-35-5
• Molecular Formula: C₁₇H₁₄F₂N₂O₂S₂
• Molecular Weight: 380.439

Synonyms:3-(4-difluoromethoxy-phenyl)-2-thioxo-2,3,5,6,7,8-hexahydro-1H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one

Chemical Property of 3-[4-(difluoromethoxy)phenyl]-2-sulfanyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one

Chemical Property:

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Technology Process of 3-[4-(difluoromethoxy)phenyl]-2-sulfanyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one

There total 4 articles about 3-[4-(difluoromethoxy)phenyl]-2-sulfanyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-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:

ethyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (4506-71-2) → 3-(4-difluoromethoxy-phenyl)-2-thioxo-2,3,5,6,7,8-hexahydro-1H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one (342779-35-5)

Guidance literature:

Multi-step reaction with 2 steps

1.1: ethanol / Heating

2.1: KOH / ethanol / Heating

2.2: 94 percent / aq. AcOH

With potassium hydroxide; In ethanol;

DOI:10.1023/B:COHC.0000003515.53486.4d

Reference yield:

4-difluoromethoxyaniline (22236-10-8) → 3-(4-difluoromethoxy-phenyl)-2-thioxo-2,3,5,6,7,8-hexahydro-1H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one (342779-35-5)

Guidance literature:

Multi-step reaction with 2 steps

1.1: 89 percent / ethanol / Heating

2.1: KOH / ethanol / Heating

2.2: 94 percent / aq. AcOH

With potassium hydroxide; In ethanol;

DOI:10.1023/B:COHC.0000003515.53486.4d

Reference yield:

ethyl 2-isothiocyanato-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (85716-87-6) → 3-(4-difluoromethoxy-phenyl)-2-thioxo-2,3,5,6,7,8-hexahydro-1H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one (342779-35-5)

Guidance literature:

Multi-step reaction with 2 steps

1.1: 89 percent / ethanol / Heating

2.1: KOH / ethanol / Heating

2.2: 94 percent / aq. AcOH

With potassium hydroxide; In ethanol;

DOI:10.1023/B:COHC.0000003515.53486.4d

upstream raw materials:

ethyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate

4-difluoromethoxyaniline

ethyl 2-isothiocyanato-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate

1-[(difluoromethyl)oxy]-4-isothiocyanatobenzene

Downstream raw materials:

3-(4-difluoromethoxy-phenyl)-2-[2-(4-fluoro-phenyl)-2-oxo-ethylsulfanyl]-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one

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