7-chloro-Thieno[3,2-b]pyridine-2-carboxaldehyde

Base Information

• Chemical Name: 7-chloro-Thieno[3,2-b]pyridine-2-carboxaldehyde
• CAS No.: 387819-41-2
• Molecular Formula: C8H4ClNOS
• Molecular Weight: 197.645
• Mol file: 387819-41-2.mol

Synonyms:7-CHLORO-THIENO[3,2-B]PYRIDINE-2-CARBALDEHYDE;THIENO[3,2-B]PYRIDINE-2-CARBOXALDEHYDE,7-CHLORO;7-CHLORO-THIENO[3,2-B]PYRIDINE-2-CARBOXALDEHYDE;7-CHLORO-2-FORMYLTHIENO[3,2-B]PYRIDINE;

Chemical Property of 7-chloro-Thieno[3,2-b]pyridine-2-carboxaldehyde

Chemical Property:

• PSA: 58.20000
• LogP: 2.76220

Purity/Quality:

99%, ^*data from raw suppliers

7-Chloro-thieno[3,2-B]pyridine-2-carbaldehyde ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 7-chloro-Thieno[3,2-b]pyridine-2-carboxaldehyde

There total 3 articles about 7-chloro-Thieno[3,2-b]pyridine-2-carboxaldehyde 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: 100.0%

7-chlorothieno[3,2-b]pyridine (69627-03-8) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → 7-chlorothieno[3,2-b]pyridine-2-carbaldehyde (387819-41-2)

Guidance literature:

7-chlorothieno[3,2-b]pyridine; With n-butyllithium; In tetrahydrofuran; hexanes; at -78 ℃; for 0.333333h;

N,N-dimethyl-formamide; In tetrahydrofuran; hexanes; at -78 ℃; for 2h;

Reference yield: 73.0%

7-chlorothieno[3,2-b]pyridine (69627-03-8) → 7-chlorothieno[3,2-b]pyridine-2-carbaldehyde (387819-41-2)

Guidance literature:

With n-butyllithium; In tetrahydrofuran; at -78 ℃; for 3h; Inert atmosphere;

Reference yield:

thieno[3,2-b]pyridin-7-ol (69627-02-7,107818-20-2) → 7-chlorothieno[3,2-b]pyridine-2-carbaldehyde (387819-41-2)

Guidance literature:

Multi-step reaction with 2 steps

1.1: trichlorophosphate / 1 h / 60 °C

2.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -70 °C

2.2: 1 h / -70 °C

With n-butyllithium; trichlorophosphate; In tetrahydrofuran; hexane;

upstream raw materials:

7-chlorothieno[3,2-b]pyridine

N,N-dimethyl-formamide

thieno[3,2-b]pyridin-7-ol

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