N,N-DIMETHYL-5-NITRO-1-BENZOTHIOPHENE-2-CARBOXAMIDE

Base Information

• Chemical Name: N,N-DIMETHYL-5-NITRO-1-BENZOTHIOPHENE-2-CARBOXAMIDE
• CAS No.: 20532-45-0
• Molecular Formula: C11H10N2O3S
• Molecular Weight: 250.27400
• Mol file: 20532-45-0.mol

Synonyms:5-nitro-benzo[b]thiophene-2-carboxylic acid dimethylamide;5-Nitro-benzothiophen-2-carbonsaeure-;5-Nitro-2-dimethylaminocarbonyl-benzothiophen;

Chemical Property of N,N-DIMETHYL-5-NITRO-1-BENZOTHIOPHENE-2-CARBOXAMIDE

Chemical Property:

• Melting Point: 141 - 142 °C
• PSA: 94.37000
• LogP: 3.03450

Purity/Quality:

97% ^*data from raw suppliers

N,N-Dimethyl-5-nitro-1-benzothiophene-2-carboxamide ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of N,N-DIMETHYL-5-NITRO-1-BENZOTHIOPHENE-2-CARBOXAMIDE

There total 4 articles about N,N-DIMETHYL-5-NITRO-1-BENZOTHIOPHENE-2-CARBOXAMIDE 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:

5-nitrobenzo[b]thiophene-2-carboxylic acid (6345-55-7) + dimethyl amine (124-40-3) → N,N-dimethyl-5-nitro-1-benzothiophene-2-carboxamide (20532-45-0)

Guidance literature:

With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; N-ethyl-N,N-diisopropylamine; In dichloromethane; at 20 ℃; for 16h;

DOI:10.1021/jm060814b

Reference yield:

methyl 5-nitrobenzo[b]thiophene-2-carboxylate (20699-86-9) → N,N-dimethyl-5-nitro-1-benzothiophene-2-carboxamide (20532-45-0)

Guidance literature:

Multi-step reaction with 2 steps

1: lithium hydroxide / tetrahydrofuran / 16 h / 20 °C

2: benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; N-ethyl-N,N-diisopropylamine / dichloromethane / 16 h / 20 °C

With lithium hydroxide; benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; dichloromethane;

DOI:10.1021/jm060814b

Reference yield:

2-chloro-5-nitrobenzaldehyde (6361-21-3) → N,N-dimethyl-5-nitro-1-benzothiophene-2-carboxamide (20532-45-0)

Guidance literature:

Multi-step reaction with 3 steps

1: potassium hydroxide / N,N-dimethyl-formamide / 1 h / 20 °C

2: lithium hydroxide / tetrahydrofuran / 16 h / 20 °C

3: benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; N-ethyl-N,N-diisopropylamine / dichloromethane / 16 h / 20 °C

With potassium hydroxide; lithium hydroxide; benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;

DOI:10.1021/jm060814b

upstream raw materials:

5-nitrobenzo[b]thiophene-2-carboxylic acid

dimethyl amine

methyl 5-nitrobenzo[b]thiophene-2-carboxylate

2-chloro-5-nitrobenzaldehyde

Downstream raw materials:

5-amino-N,N-dimethyl-benzo[b]thiophene-2-carboxamide

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