5-BroMo-1-Methyl-1H-benzo[d][1,2,3]triazole

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5-BroMo-1-Methyl-1H-benzo[d][1,2,3]triazole Basic information
Uses
Product Name:5-BroMo-1-Methyl-1H-benzo[d][1,2,3]triazole
Synonyms:5-BroMo-1-Methyl-1H-benzo[d][1,2,3]triazole;5-bromo-1-methyl-1H-1,2,3-benzotriazole;1H-Benzotriazole, 5-bromo-1-methyl-;5-bromo-1-methyl-1,2,3-benzotriazole;5-Bromo-1-methylbenzo[d][1,2,3]triazole;5-Bromo-1-methylbenzotriazole
CAS:944718-31-4
MF:C7H6BrN3
MW:212.05
EINECS:
Product Categories:
Mol File:944718-31-4.mol
5-BroMo-1-Methyl-1H-benzo[d][1,2,3]triazole Structure
5-BroMo-1-Methyl-1H-benzo[d][1,2,3]triazole Chemical Properties
Boiling point 332.6±15.0 °C(Predicted)
density 1.76±0.1 g/cm3(Predicted)
storage temp. 2-8°C
pka0.40±0.30(Predicted)
AppearanceBrown to reddish brown Solid
Safety Information
MSDS Information
5-BroMo-1-Methyl-1H-benzo[d][1,2,3]triazole Usage And Synthesis
Uses5-Bromo-1-methyl-1H-benzo[D][1,2,3]triazole is an aromatic hydrocarbon derivative that can be used as a pharmaceutical intermediate.
Synthesis
4-broMo-N1-Methylbenzene-1,2-diaMine

69038-76-2

5-BroMo-1-Methyl-1H-benzo[d][1,2,3]triazole

944718-31-4

General procedure for the synthesis of 5-bromo-1-methyl-1H-benzo[d][1,2,3]triazole from 4-bromo-N1-methylbenzene-1,2-diamine: 5-bromo-1-methyl-7H-benzo[2 (1.52 g, 22 mmol) was dissolved in water (5 ml) at 0 °C. The resulting solution was stirred at 0-10°C for 4 h. The pH was adjusted to 8 with potassium hydroxide (3N) and extracted with dichloromethane (2 x 200 ml). The organic layers were combined and concentrated in vacuum to give the residue. The residue was purified by silica gel chromatography (eluent: petroleum ether solution of 50% dichloromethane) to afford 5-bromo-1-methyl-1H-benzo[d][1,2,3]triazole as a red solid (1.5 g, 31% yield).LC/MS (ESI, m/z): [M + H]+ 213.1.1.1H-NMR (300 MHz, CDCl3) δ 8.24-8.25 (m, 1H), 7.60-7.63 (m, 1H), 7.42-7.46 (m, 1H), 4.32 (d, J = 5.4 Hz, 3H).

References[1] Patent: WO2012/119046, 2012, A2. Location in patent: Page/Page column 207-208
Tag:5-BroMo-1-Methyl-1H-benzo[d][1,2,3]triazole(944718-31-4) Related Product Information
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