3-phenyl-5,6,7,8-tetrahydro-1H-benzo[4,5]thieno[2,3-d]pyrimidine-2,4-dione

Base Information

• Chemical Name: 3-phenyl-5,6,7,8-tetrahydro-1H-benzo[4,5]thieno[2,3-d]pyrimidine-2,4-dione
• CAS No.: 27285-14-9
• Molecular Formula: C₁₆H₁₄N₂O₂S
• Molecular Weight: 298.365

Synonyms:3-phenyl-5,6,7,8-tetrahydro-1H-benzo[4,5]thieno[2,3-d]pyrimidine-2,4-dione

Chemical Property of 3-phenyl-5,6,7,8-tetrahydro-1H-benzo[4,5]thieno[2,3-d]pyrimidine-2,4-dione

Chemical Property:

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Technology Process of 3-phenyl-5,6,7,8-tetrahydro-1H-benzo[4,5]thieno[2,3-d]pyrimidine-2,4-dione

There total 13 articles about 3-phenyl-5,6,7,8-tetrahydro-1H-benzo[4,5]thieno[2,3-d]pyrimidine-2,4-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: 70.0%

methyl N-phenyldithiocarbamate (701-73-5) + sodium 2-amino-4,5,6,7-tetrahydrobenzothiophene-3-carboxylate (111423-20-2) → 3-phenyl-5,6,7,8-tetrahydro-1H-benzo[4,5]thieno[2,3-d]pyrimidine-2,4-dione (27285-14-9)

Guidance literature:

With mercury(II) oxide; In N,N-dimethyl-formamide; at 100 ℃; for 8h;

Reference yield:

2-(3-phenyl-ureido)-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carboxylic acid ethyl ester (27285-12-7) → 3-phenyl-5,6,7,8-tetrahydro-1H-benzo[4,5]thieno[2,3-d]pyrimidine-2,4-dione (27285-14-9)

Guidance literature:

With potassium hydroxide; In 1,4-dioxane; at 80 - 90 ℃;

DOI:10.1007/BF00910242

Reference yield:

2-(3-phenylurea)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide (27285-13-8) → 3-phenyl-5,6,7,8-tetrahydro-1H-benzo[4,5]thieno[2,3-d]pyrimidine-2,4-dione (27285-14-9)

Guidance literature:

With potassium hydroxide; In 1,4-dioxane; Heating;

DOI:10.1007/BF00910242

upstream raw materials:

2-(3-phenylurea)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide

2-(3-phenyl-ureido)-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carboxylic acid ethyl ester

methyl N-phenyldithiocarbamate

sodium 2-amino-4,5,6,7-tetrahydrobenzothiophene-3-carboxylate

Downstream raw materials:

1-hydroxy-4-phenyl-6,7,8,9-tetrahydro<1,2,4>triazolo<4,3-a>benzothieno<3,2-e>pyrimidin-5(4H)-one

1-Amino-4-phenyl-6,7,8,9-tetrahydro-4H-10-thia-2,3,4,10b-tetraaza-cyclopenta[a]fluoren-5-one

1-benzoylamino-4-phenyl-6,7,8,9-tetrahydro<1,2,4>triazolo<4,3-a>benzothieno<3,2-e>pyrimidin-5(4H)-one

2-(N-benzoyl)hydrazino-3-phenyl-6,7,8,9-tetrahydrobenzothieno<2,3-d>pyrimidin-4-one

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