Thieno[2,3-b]pyridin-4-ol

Base Information

• Chemical Name: Thieno[2,3-b]pyridin-4-ol
• CAS No.: 65075-96-9
• Molecular Formula: C7H5NOS
• Molecular Weight: 151.18600
• Hs Code.: 2934999090

Synonyms:7H-s-triazolo[3,4-i]purine-3(2H)-thione;thieno[2,3-b]pyridin-4-ol;4-hydroxythieno<2,3-b>pyridine;Tetrazolo<1,5-i>-purin;7H-Tetrazolo<5,1-i>purin;7H-thieno[2,3-b]pyridin-4-one;Tetrazolo<5,1-i>purin;7(9)H-tetrazolo[5,1-i]purine;

Chemical Property of Thieno[2,3-b]pyridin-4-ol

Chemical Property:

• PSA: 61.36000
• LogP: 2.00190
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

97% ^*data from raw suppliers

thieno[2,3-b]pyridin-4-ol ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Thieno[2,3-b]pyridin-4-ol

There total 3 articles about Thieno[2,3-b]pyridin-4-ol 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:

ethyl α-carboethoxy-β-(N-2-thienylammonium) acrylate (59713-52-9) → 4-hydroxythieno<2,3-b>pyridine (65075-96-9)

Guidance literature:

Multi-step reaction with 3 steps

1: diphenyl ether / 1.5 h / Heating

2: aq. NaOH / 0.5 h / Heating

3: 1 h / Heating

With sodium hydroxide; In diphenylether;

Reference yield:

ethyl 4-hydroxythieno[2,3-b]pyridine-5-carboxylate (55503-31-6) → 4-hydroxythieno<2,3-b>pyridine (65075-96-9)

Guidance literature:

Multi-step reaction with 2 steps

1: aq. NaOH / 0.5 h / Heating

2: 1 h / Heating

With sodium hydroxide;

Reference yield:

4-hydroxythieno<2,3-b>pyridine-5-carboxylic acid (55503-32-7) → 4-hydroxythieno<2,3-b>pyridine (65075-96-9)

Guidance literature:

for 1h; Heating;

upstream raw materials:

4-hydroxythieno<2,3-b>pyridine-5-carboxylic acid

ethyl α-carboethoxy-β-(N-2-thienylammonium) acrylate

ethyl 4-hydroxythieno[2,3-b]pyridine-5-carboxylate

Downstream raw materials:

4-chlorothieno<2,3-b>pyridine

tert-butyl {(3S)-1-[5-({[5-[(tert-butoxycarbonyl)amino]-2-(2,6-difluorophenyl)-1,3-thiazol-4-yl]carbonyl}amino)thieno[2,3-b]pyridin-4-yl]piperidin-3-yl}carbamate

5-amino-N-{4-[(3S)-3-aminopiperidin-1-yl]thieno[2,3-b]pyridin-5-yl}-2-(2,6-difluorophenyl)-1,3-thiazole-4-carboxamide

tert-butyl {(3S)-1-[5-({[2-(2,6-difluorophenyl)-1,3-thiazol-4-yl]carbonyl}amino)thieno[2,3-b]pyridin-4-yl]piperidin-3-yl}carbamate

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