3-amino-6-methyl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxylic acid

Base Information

• Chemical Name: 3-amino-6-methyl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxylic acid
• CAS No.: 610259-30-8
• Molecular Formula: C₁₀H₇F₃N₂O₂S
• Molecular Weight: 276.239
• Hs Code.: 2933399990
• Mol file: 610259-30-8.mol

Synonyms:3-amino-6-methyl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxylic acid

Chemical Property of 3-amino-6-methyl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxylic acid

Chemical Property:

Purity/Quality:

99%, ^*data from raw suppliers

3-Amino-6-methyl-4-(trifluoromethyl)thieno-[2,3-b]pyridine-2-carboxylic acid ^*data from reagent suppliers

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Technology Process of 3-amino-6-methyl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxylic acid

There total 4 articles about 3-amino-6-methyl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxylic acid 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: 94.0%

ethyl 3-amino-6-methyl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxylate (299198-61-1) → 3-amino-6-methyl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxylic acid (610259-30-8)

Guidance literature:

ethyl 3-amino-6-methyl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxylate; With methanol; potassium hydroxide; water; for 4.5h; Heating / reflux;

With hydrogenchloride; In water; pH=2;

Reference yield:

2-mercapto-6-methyl-4-(trifluoromethyl)nicotinonitrile → 3-amino-6-methyl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxylic acid (610259-30-8)

Guidance literature:

Multi-step reaction with 2 steps

1: sodium ethanolate / ethanol / 2 h / Reflux

2: sodium hydroxide; water / tetrahydrofuran / 5 h / 60 °C

With water; sodium ethanolate; sodium hydroxide; In tetrahydrofuran; ethanol;

Reference yield:

6-methyl-2-thioxo-4-(trifluoromethyl)-1,2-dihydropyridine-3-carbonitrile (182127-92-0) → 3-amino-6-methyl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxylic acid (610259-30-8)

Guidance literature:

Multi-step reaction with 2 steps

1: sodium ethanolate / ethanol / 80 °C

2: sodium hydroxide; water / methanol / 2 h / 60 °C

With water; sodium ethanolate; sodium hydroxide; In methanol; ethanol;

upstream raw materials:

ethyl 3-amino-6-methyl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxylate

6-methyl-2-thioxo-4-(trifluoromethyl)-1,2-dihydropyridine-3-carbonitrile

1,1,1-Trifluoro-2,4-pentanedione

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