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ChemicalBook > Product Catalog >Pharmaceutical intermediates >Heterocyclic compound >Pyridine compound >Pyridine derivatives >6-BROMO-3H-IMIDAZO[4,5-B]PYRIDINE

6-BROMO-3H-IMIDAZO[4,5-B]PYRIDINE

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Company Name: Capot Chemical Co.,Ltd.
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Products Intro: Product Name:6-Bromo-3H-imidazo[4,5-b]pyridine
CAS:28279-49-4
Purity:98%(Min,HPLC) Package:100g;1kg;5kg,10kg,25kg,50kg
Company Name: ATK CHEMICAL COMPANY LIMITED
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Products Intro: CAS:28279-49-4
Purity:98% Package:10MG;50MG;100MG,1G,5G,10G
Company Name: Zhejiang ZETian Fine Chemicals Co. LTD
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Products Intro: Product Name:6-Bromo-3H-imidazo[4,5-b]pyridine
CAS:28279-49-4
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Company Name: Hubei Jusheng Technology Co.,Ltd.
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Products Intro: Product Name:6-BROMO-4H-IMIDAZO[4,5-B]PYRIDINE
CAS:28279-49-4
Purity:0.99 Package:5KG;1KG
Company Name: Alchem Pharmtech,Inc.
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Products Intro: Product Name:6-Bromo-4H-imidazo[4,5-b]pyridine
CAS:28279-49-4
Purity:97+% Package:1g;10g;100g;;1kg Remarks:Z-01449

6-BROMO-3H-IMIDAZO[4,5-B]PYRIDINE manufacturers
6-BROMO-3H-IMIDAZO[4,5-B]PYRIDINE Basic information
Product Name:6-BROMO-3H-IMIDAZO[4,5-B]PYRIDINE
Synonyms:6-Bromo-3H-imidazo[4,5-b]pyridine 96%;1H-Imidazo[4,5-b]pyridine,6-bromo-(8CI,9CI);6-BROMO-4H-IMIDAZO[4,5-B]PYRIDINE;6-Bromoimidazo[4,5-b]pyridine;6-Bromo-4H-imidazo[4,5-b]...;6-Bromo-4-azabenzimidazole;3H-IMidazo[4,5-b]pyridine, 6-broMo-;6-Bromo-1H-imidazo[4,5-b]pyridine 6-Bromo-3H-imidazo[4,5-b]pyridine
CAS:28279-49-4
MF:C6H4BrN3
MW:198.02
EINECS:
Product Categories:Heterocycle-Pyridine series;PYRIDINE;Halides;Fused Ring Systems
Mol File:28279-49-4.mol
6-BROMO-3H-IMIDAZO[4,5-B]PYRIDINE Structure
6-BROMO-3H-IMIDAZO[4,5-B]PYRIDINE Chemical Properties
Melting point 227-228℃ (water )
Boiling point 218.4±50.0 °C(Predicted)
density 2.00±0.1 g/cm3(Predicted)
storage temp. Keep in dark place,Inert atmosphere,Room temperature
form solid
pka7.02±0.20(Predicted)
color Light brown
InChIInChI=1S/C6H4BrN3/c7-4-1-5-6(8-2-4)10-3-9-5/h1-3H,(H,8,9,10)
InChIKeyXPHWCAKVRKUXLK-UHFFFAOYSA-N
SMILESC12NC=NC1=CC(Br)=CN=2
Safety Information
Hazard Codes Xn
Risk Statements 22-36/37/38
Safety Statements 26
WGK Germany 3
HS Code 2933599590
MSDS Information
6-BROMO-3H-IMIDAZO[4,5-B]PYRIDINE Usage And Synthesis
Synthesis
2,3-Diamino-5-bromopyridine

38875-53-5

Formic acid

64-18-6

6-BROMO-3H-IMIDAZO[4,5-B]PYRIDINE

28279-49-4

The reaction was carried out with 2,3-diamino-5-bromopyridine (1.00 g, 5.32 mmol) and formic acid (0.5 mL) in 15 mL of triethyl orthoformate with stirring for 3 h at 100 °C. The reaction was carried out by LC-MS. The reaction progress was monitored by LC-MS, and after confirming the completion of the reaction, the reaction mixture was concentrated under reduced pressure. The crude product was purified by column chromatography (eluent: 10% methanol/dichloromethane) to afford 6-bromo-4H-imidazo[4,5-B]pyridine (1.01 g, 96% yield) as a beige solid.1H NMR (400 MHz, DMSO-d6) δ 8.46 (s, 1H), 8.41 (d, 1H), 8.27 (d, 1H).

References[1] Patent: WO2008/82487, 2008, A2. Location in patent: Page/Page column 107
[2] Patent: WO2016/142310, 2016, A1. Location in patent: Page/Page column 86-87
[3] Patent: EP2766359, 2016, B1. Location in patent: Paragraph 0737
[4] Patent: WO2009/42607, 2009, A1. Location in patent: Page/Page column 72
[5] Patent: WO2007/127183, 2007, A1. Location in patent: Page/Page column 140-141
6-BROMO-3H-IMIDAZO[4,5-B]PYRIDINE Preparation Products And Raw materials
Raw materials2,3-Diamino-5-bromopyridine-->Formic acid-->Triethyl orthoformate
Tag:6-BROMO-3H-IMIDAZO[4,5-B]PYRIDINE(28279-49-4) Related Product Information
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