ChemicalBook > CAS DataBase List > 8-METHYLIMIDAZO[1,2-A]PYRIDINE

8-METHYLIMIDAZO[1,2-A]PYRIDINE

Product Name
8-METHYLIMIDAZO[1,2-A]PYRIDINE
CAS No.
874-10-2
Chemical Name
8-METHYLIMIDAZO[1,2-A]PYRIDINE
Synonyms
8-methyl-imidazolopyrimidine;8-METHYLIMIDAZO[1,2-A]PYRIDINE;Imidazo[1,2-a]pyridine, 8-methyl-
CBNumber
CB5246663
Molecular Formula
C8H8N2
Formula Weight
132.16
MOL File
874-10-2.mol
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8-METHYLIMIDAZO[1,2-A]PYRIDINE Property

Boiling point:
69°C 0,1mm
Density 
1.11±0.1 g/cm3(Predicted)
storage temp. 
2-8°C
pka
7.33±0.50(Predicted)
Appearance
Brown to black Liquid
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Safety

Risk Statements 
43
Safety Statements 
36/37
HazardClass 
IRRITANT
HS Code 
2933399990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H317May cause an allergic skin reaction

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

Matrix Scientific
Product number
045473
Product name
8-Methylimidazo[1,2-a]pyridine
Purity
95+%
Packaging
500mg
Price
$97
Updated
2021/12/16
Matrix Scientific
Product number
045473
Product name
8-Methylimidazo[1,2-a]pyridine
Purity
95+%
Packaging
1g
Price
$149
Updated
2021/12/16
SynQuest Laboratories
Product number
3H32-1-CH
Product name
8-Methylimidazo[1,2-a]pyridine
Packaging
1g
Price
$176
Updated
2021/12/16
AK Scientific
Product number
3834AC
Product name
8-Methylimidazo[1,2-a]pyridine
Packaging
1g
Price
$195
Updated
2021/12/16
Matrix Scientific
Product number
045473
Product name
8-Methylimidazo[1,2-a]pyridine
Purity
95+%
Packaging
5g
Price
$445
Updated
2021/12/16
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8-METHYLIMIDAZO[1,2-A]PYRIDINE Chemical Properties,Usage,Production

Synthesis

1603-40-3

2032-35-1

874-10-2

General procedure for the synthesis of 8-methyl-imidazo[1,2-A]pyridine from 2-amino-3-methylpyridine and 2-bromo-1,1-diethoxyethane: 2-amino-3-methylpyridine (10 g, 92.5 mmol) and 2-bromo-1,1-diethoxyethane (36.4 g, 185 mmol) were dissolved in ethanol (100 mL). Subsequently, 48% aqueous hydrogen bromide solution (9 mL) was slowly added dropwise to the reaction solution. The reaction system was heated to 90 °C and after 26 h of reaction, the completion of the reaction was confirmed by LC-MS and then cooled to room temperature. The reaction system was first distilled under reduced pressure to remove ethanol, followed by neutralization of excess hydrobromic acid in the reaction with excess saturated aqueous sodium bicarbonate solution (100 mL) and solid sodium bicarbonate (15 g). The remaining mixture was extracted with ethyl acetate (200 mL x 3). All organic phases were combined, washed sequentially with deionized water (100 mL) and saturated brine (100 mL) each, dried with anhydrous sodium sulfate, and the solvent was subsequently removed by rotary evaporation. Finally, the remaining mixture was purified by silica gel column chromatography (eluent: dichloromethane/methanol = 0-10%) to afford 8-methyl-imidazo[1,2-a]pyridine (12 g, 98% yield).

References

[1] Patent: CN106279160, 2017, A. Location in patent: Paragraph 0259; 0263; 0264; 0265
[2] Bulletin of the Chemical Society of Japan, 1999, vol. 72, # 6, p. 1327 - 1334

8-METHYLIMIDAZO[1,2-A]PYRIDINE Preparation Products And Raw materials

Raw materials

Preparation Products

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8-METHYLIMIDAZO[1,2-A]PYRIDINE Suppliers

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