5,6,7,8-tetrahydro-2-methyl-4H-[1]benzothieno[2,3-d][1,3]oxazin-4-one

Base Information

• Chemical Name: 5,6,7,8-tetrahydro-2-methyl-4H-[1]benzothieno[2,3-d][1,3]oxazin-4-one
• CAS No.: 13130-47-7
• Molecular Formula: C11H11NO2S
• Molecular Weight: 221.28
• Hs Code.: 2934999090
• Mol file: 13130-47-7.mol

Synonyms:5,6,7,8-tetrahydro-2-methyl-4H-[1]benzothieno[2,3-d][1,3]oxazin-4-one

Chemical Property of 5,6,7,8-tetrahydro-2-methyl-4H-[1]benzothieno[2,3-d][1,3]oxazin-4-one

Chemical Property:

• PSA: 71.34000
• LogP: 2.43670

Purity/Quality:

97% ^*data from raw suppliers

5-methyl-4-oxa-8-thia-6-azatricyclo[7.4.0.0,2,7]trideca-1(9),2(7),5-trien-3-one ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
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MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5,6,7,8-tetrahydro-2-methyl-4H-[1]benzothieno[2,3-d][1,3]oxazin-4-one

There total 6 articles about 5,6,7,8-tetrahydro-2-methyl-4H-[1]benzothieno[2,3-d][1,3]oxazin-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: 90.0%

acetic anhydride (108-24-7) + 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid (5936-58-3) → 2-Methyl-5,6,7,8-tetrahydro-4H-<1>benzothieno<2,3-d><1,3>oxazin-4-on (13130-47-7)

Guidance literature:

Heating;

Reference yield: 70.0%

2-acetamido-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid (13130-43-3) → 2-Methyl-5,6,7,8-tetrahydro-4H-<1>benzothieno<2,3-d><1,3>oxazin-4-on (13130-47-7)

Guidance literature:

With acetic anhydride; for 1h; Heating;

Reference yield: 63.0%

ethyl 2-acetylamino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (5919-29-9) → 2-Methyl-5,6,7,8-tetrahydro-4H-<1>benzothieno<2,3-d><1,3>oxazin-4-on (13130-47-7)

Guidance literature:

With hexachloroethane; triethylamine; triphenylphosphine; In dichloromethane; for 2h; Heating;

upstream raw materials:

2-acetamido-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid

acetic anhydride

2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid

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

Downstream raw materials:

2-methyl-3-p-tolyl-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one

3-(4-chloro-phenyl)-2-methyl-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one

3,4,5,6,7,8-Hexahydro-2-methyl-4-oxo-3-(p-methoxyphenyl)benzothieno<2,3-d>pyrimidin

2-methyl-3-phenethyl-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one

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