6-Chloro-3-fluoronicotinaldehyde

Base Information

• Chemical Name: 6-Chloro-3-fluoronicotinaldehyde
• CAS No.: 950691-52-8
• Molecular Formula: C6H3ClFNO
• Molecular Weight: 159.5455
• Hs Code.: 2933399990
• Mol file: 950691-52-8.mol

Synonyms:3-pyridinecarboxaldehyde, 6-chloro-5-fluoro-;6-Chloro-5-fluoronicotinaldehyde;LogP

Chemical Property of 6-Chloro-3-fluoronicotinaldehyde

Chemical Property:

• Vapor Pressure: 0.0507mmHg at 25°C
• Boiling Point: 235.2°C at 760 mmHg
• PKA: -2.04±0.10(Predicted)
• Flash Point: 96°C
• PSA: 29.96000
• Density: 1.444g/cm³
• LogP: 1.68660
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C

Purity/Quality:

99% ^*data from raw suppliers

6-Chloro-5-fluoropyridine-3-carbaldehyde ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 6-Chloro-3-fluoronicotinaldehyde

There total 3 articles about 6-Chloro-3-fluoronicotinaldehyde 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: 36.0%

5-bromo-2-chloro-3-fluoro-pyridine (831203-13-5) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → 6-chloro-5-fluoro-3-pyridinecarbaldehyde (950691-52-8)

Guidance literature:

5-bromo-2-chloro-3-fluoro-pyridine; With n-butyllithium; In diethyl ether; hexane; for 0.833333h; Cooling with acetone-dry ice;

N,N-dimethyl-formamide; In diethyl ether; hexane; for 0.666667h;

Reference yield:

2-chloro-5-(dibromomethyl)-3-fluoropyridine (1369256-86-9) → 6-chloro-5-fluoro-3-pyridinecarbaldehyde (950691-52-8)

Guidance literature:

With silver nitrate; In ethanol; water; at 100 ℃; for 1h;

Reference yield:

2-chloro-3-fluoro-5-methyl pyridine (34552-15-3) → 6-chloro-5-fluoro-3-pyridinecarbaldehyde (950691-52-8)

Guidance literature:

Multi-step reaction with 2 steps

1: dibenzoyl peroxide; N-Bromosuccinimide / tetrachloromethane / Reflux

2: silver nitrate / ethanol; water / 1 h / 100 °C

With N-Bromosuccinimide; silver nitrate; dibenzoyl peroxide; In tetrachloromethane; ethanol; water;

upstream raw materials:

2-chloro-3-fluoro-5-methyl pyridine

2-chloro-5-(dibromomethyl)-3-fluoropyridine

5-bromo-2-chloro-3-fluoro-pyridine

N,N-dimethyl-formamide

Downstream raw materials:

ethyl (4-{4-[5-(5-chloro-1H-benzimidazol-2-yl)-3-fluoropyridin-2-yl]piperazin-1-yl}phenyl)acetate

(4-{4-[5-(5-chloro-1H-benzimidazol-2-yl)-3-fluoropyridin-2-yl]piperazin-1-yl}phenyl)acetic acid

5-fluoro-6-methylpyridine-3-carbaldehyde

Refernces

• 1、 -. "GPR139 RECEPTOR MODULATORS". Page/Page column 208-209. . Retrieved 2020/06/01.
• 2、 -. "COMPOUNDS". . . Retrieved 2016/02/12.