6,7-dimethyl-3-phenyl-5H-thiazolo <3,2-a> thieno <2,3-d> pyrimidine-5-one

Base Information

• Chemical Name: 6,7-dimethyl-3-phenyl-5H-thiazolo <3,2-a> thieno <2,3-d> pyrimidine-5-one
• CAS No.: 52881-22-8
• Molecular Formula: C₁₆H₁₂N₂OS₂
• Molecular Weight: 312.416

Synonyms:6,7-dimethyl-3-phenyl-5H-thiazolo <3,2-a> thieno <2,3-d> pyrimidine-5-one

Chemical Property of 6,7-dimethyl-3-phenyl-5H-thiazolo <3,2-a> thieno <2,3-d> pyrimidine-5-one

Chemical Property:

Purity/Quality:

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Technology Process of 6,7-dimethyl-3-phenyl-5H-thiazolo <3,2-a> thieno <2,3-d> pyrimidine-5-one

There total 5 articles about 6,7-dimethyl-3-phenyl-5H-thiazolo <3,2-a> thieno <2,3-d> pyrimidine-5-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: 83.0%

ethyl 2-<(4-phenylthiazolyl)amino>-4,5-dimethyl-3-thiophenecarboxylate → 6,7-dimethyl-3-phenyl-5H-thiazolo <3,2-a> thieno <2,3-d> pyrimidine-5-one (52881-22-8)

Guidance literature:

With hydrogenchloride; In ethanol; for 4h; Heating;

Reference yield:

5,6-dimethyl-2-thioxo-2,3-dihydro-1H-thieno[2,3-d]pyrimidin-4-one (38201-64-8) → 6,7-dimethyl-3-phenyl-5H-thiazolo <3,2-a> thieno <2,3-d> pyrimidine-5-one (52881-22-8)

Guidance literature:

Multi-step reaction with 2 steps

1: aq. NaOH / ethanol / Ambient temperature

2: H₂SO₄

With sodium hydroxide; sulfuric acid; In ethanol;

DOI:10.1007/BF00909862

Reference yield:

α-bromoacetophenone (70-11-1) → 6,7-dimethyl-3-phenyl-5H-thiazolo <3,2-a> thieno <2,3-d> pyrimidine-5-one (52881-22-8)

Guidance literature:

Multi-step reaction with 2 steps

1: aq. NaOH / ethanol / Ambient temperature

2: H₂SO₄

With sodium hydroxide; sulfuric acid; In ethanol;

DOI:10.1007/BF00909862

upstream raw materials:

2-chloro-4-phenylthiazole

5,6-dimethyl-2-thioxo-2,3-dihydro-1H-thieno[2,3-d]pyrimidin-4-one

α-bromoacetophenone

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