2-phenylamino-5,6,7,8-tetrahydro<1>benzothieno<2,3-d>pyrimidin-4(3H)-one

Base Information

• Chemical Name: 2-phenylamino-5,6,7,8-tetrahydro<1>benzothieno<2,3-d>pyrimidin-4(3H)-one
• CAS No.: 66607-51-0
• Molecular Formula: C₁₆H₁₅N₃OS
• Molecular Weight: 297.381

Synonyms:2-phenylamino-5,6,7,8-tetrahydro<1>benzothieno<2,3-d>pyrimidin-4(3H)-one

Chemical Property of 2-phenylamino-5,6,7,8-tetrahydro<1>benzothieno<2,3-d>pyrimidin-4(3H)-one

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Technology Process of 2-phenylamino-5,6,7,8-tetrahydro<1>benzothieno<2,3-d>pyrimidin-4(3H)-one

There total 5 articles about 2-phenylamino-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: 67.0%

ethyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (4506-71-2) + 1-phenylcyanamide (622-34-4) → 2-phenylamino-5,6,7,8-tetrahydro<1>benzothieno<2,3-d>pyrimidin-4(3H)-one (66607-51-0)

Guidance literature:

With hydrogenchloride; water-bath;

Reference yield: 51.0%

aniline (62-53-3) + 5,6,7,8-tetrahydro-2-(methylthio)<1>benzothieno<2,3-d>pyrimidin-4(1H)-one (51550-17-5) → 2-phenylamino-5,6,7,8-tetrahydro<1>benzothieno<2,3-d>pyrimidin-4(3H)-one (66607-51-0)

Guidance literature:

With hydrogenchloride; at 180 - 200 ℃; for 18h;

DOI:10.1002/jhet.5570290435

Reference yield: 20.0%

ethyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (4506-71-2) + 1-phenylcyanamide (622-34-4) → 2-phenylamino-5,6,7,8-tetrahydro<1>benzothieno<2,3-d>pyrimidin-4(3H)-one (66607-51-0) + 2-amino-3-phenyl-5,6,7,8-tetrahydrobenzothieno<2,3-d>pyrimidin-4(3H)-one (91225-65-9)

Guidance literature:

With hydrogenchloride; In 1,4-dioxane; for 4h; Heating;

upstream raw materials:

aniline

5,6,7,8-tetrahydro-2-(methylthio)<1>benzothieno<2,3-d>pyrimidin-4(1H)-one

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

1-phenylcyanamide

Downstream raw materials:

4-chloro-2-phenylamino-5,6,7,8-tetrahydro<1>benzothieno<2,3-d>pyrimidine

4-amino-2-phenylamino-5,6,7,8-tetrahydro<1>benzothieno<2,3-d>pyrimidine

5-phenylamino-8,9,10,11-tetrahydro<1>benzothieno<3,2-e>tetrazolo<1,5-c>pyrimidine

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