2-Amino-5-oxo-6-phenyl-5,6,7,8-tetrahydro-3H-5λ⁴-pyrimido[5,4-b][1,4]thiazin-4-one

Base Information

• Chemical Name: 2-Amino-5-oxo-6-phenyl-5,6,7,8-tetrahydro-3H-5λ⁴-pyrimido[5,4-b][1,4]thiazin-4-one
• CAS No.: 84099-82-1
• Molecular Formula: C₁₂H₁₂N₄O₂S
• Molecular Weight: 276.319

Synonyms:2-Amino-5-oxo-6-phenyl-5,6,7,8-tetrahydro-3H-5λ⁴-pyrimido[5,4-b][1,4]thiazin-4-one

Chemical Property of 2-Amino-5-oxo-6-phenyl-5,6,7,8-tetrahydro-3H-5λ⁴-pyrimido[5,4-b][1,4]thiazin-4-one

Chemical Property:

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Technology Process of 2-Amino-5-oxo-6-phenyl-5,6,7,8-tetrahydro-3H-5λ⁴-pyrimido[5,4-b][1,4]thiazin-4-one

There total 4 articles about 2-Amino-5-oxo-6-phenyl-5,6,7,8-tetrahydro-3H-5λ⁴-pyrimido[5,4-b][1,4]thiazin-4-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: 95.0%

2-Amino-6-phenyl-7,8-dihydro-3H,6H-pyrimido[5,4-b][1,4]thiazin-4-one (84099-73-0) → 2-Amino-5-oxo-6-phenyl-5,6,7,8-tetrahydro-3H-5λ4-pyrimido[5,4-b][1,4]thiazin-4-one (84099-82-1)

Guidance literature:

With 3-chloro-benzenecarboperoxoic acid; In ethanol; for 3h; Ambient temperature;

DOI:10.1021/jm00358a019

Reference yield:

2-amino-1-phenylethane-1-thiol hydrochloride (3852-66-2) → 2-Amino-5-oxo-6-phenyl-5,6,7,8-tetrahydro-3H-5λ4-pyrimido[5,4-b][1,4]thiazin-4-one (84099-82-1)

Guidance literature:

Multi-step reaction with 4 steps

1: 52 percent / sodium ethoxide / ethanol / 20 h / Ambient temperature

2: CH₂Cl₂ / 20 h / Ambient temperature

3: 34 percent / sodium ethoxide / ethanol / 20 h / Heating

4: 95 percent / m-chloroperoxybenzoic acid / ethanol / 3 h / Ambient temperature

With sodium ethanolate; 3-chloro-benzenecarboperoxoic acid; In ethanol; dichloromethane;

DOI:10.1021/jm00358a019

Reference yield:

3-Oxo-6-phenyl-thiomorpholine-2-carboxylic acid ethyl ester (84099-76-3) → 2-Amino-5-oxo-6-phenyl-5,6,7,8-tetrahydro-3H-5λ4-pyrimido[5,4-b][1,4]thiazin-4-one (84099-82-1)

Guidance literature:

Multi-step reaction with 3 steps

1: CH₂Cl₂ / 20 h / Ambient temperature

2: 34 percent / sodium ethoxide / ethanol / 20 h / Heating

3: 95 percent / m-chloroperoxybenzoic acid / ethanol / 3 h / Ambient temperature

With sodium ethanolate; 3-chloro-benzenecarboperoxoic acid; In ethanol; dichloromethane;

DOI:10.1021/jm00358a019

upstream raw materials:

2-Amino-6-phenyl-7,8-dihydro-3H,6H-pyrimido[5,4-b][1,4]thiazin-4-one

2-amino-1-phenylethane-1-thiol hydrochloride

3-Oxo-6-phenyl-thiomorpholine-2-carboxylic acid ethyl ester

3-Ethoxy-6-phenyl-5,6-dihydro-2H-[1,4]thiazine-2-carboxylic acid ethyl ester

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