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1-(3-Bromopyridin-4-yl)ethanone

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1-(3-Bromopyridin-4-yl)ethanone Basic information
Product Name:1-(3-Bromopyridin-4-yl)ethanone
Synonyms:1-(3-BROMOPYRIDIN-4-YL)ETHANONE;ETHANAONE, 1-(3-BROMO-4-PYRIDINYL)-;1-(3-broMo-4-pyridinyl)ethanone;4-Acetyl-3-broMopyridine;1-(2-BroMo-pyridin-4-yl)-ethanone;Ethanone, 1-(3-bromo-4-pyridinyl)-;1-(3-BROMOPYRIDIN-4-YL)ETHANONE ISO 9001:2015 REACH;1-(3-Bromopyridin-4-yl)ethan-1-one
CAS:111043-06-2
MF:C7H6BrNO
MW:200.03
EINECS:
Product Categories:
Mol File:Mol File
1-(3-Bromopyridin-4-yl)ethanone Structure
1-(3-Bromopyridin-4-yl)ethanone Chemical Properties
Boiling point 265.0±25.0 °C(Predicted)
density 1.534±0.06 g/cm3(Predicted)
storage temp. 2-8°C
pka1.17±0.18(Predicted)
form liquid
color Clear, dark yellow
InChIInChI=1S/C7H6BrNO/c1-5(10)6-2-3-9-4-7(6)8/h2-4H,1H3
InChIKeyJCSJIVMVXJQSDE-UHFFFAOYSA-N
SMILESC(=O)(C1C=CN=CC=1Br)C
Safety Information
HS Code 2933399990
MSDS Information
1-(3-Bromopyridin-4-yl)ethanone Usage And Synthesis
Uses1-(3-Bromopyridin-4-yl)ethanone can be used as a synthetic intermediate. To a suspension of 1-(3-Bromopyridin-4-yl)ethanone (1.00 g, 5.00 mmol) and 1,3- dimethyl-2,3-dihydro-2-oxopyrimidinium sulfate (0.909 g, 5.25 mmol) in CH3CN (4 mL) was added Et3N (1.05 mL, 7.55 mmol) at 0 °C. The mixture was allowed to warm up to 45 °C. After being stirred at the same temperature for 1.5 h, the mixture was concentrated in vacuo. To the residue was added AcOH (4 mL) and NH4OAc (2.11 g, 27.35 mmol), and then the mixture was stirred at 120 °C for 4 h. After being cooled to room temperature, the mixture was poured into 8 M NaOH (35 mL) at 0 °C and extracted with EtOAc. The organic layer was separated, washed with water and brine, dried over Na2SO4, and concentrated in vacuo. The residue was purified by column chromatography (NH silica gel, eluted with 0− 20% EtOAc in hexane) to give 3′-Bromo-2,4′-bipyridine (548 mg, 2.33 mmol, 47%) as a pale yellow oil.[1]
References[1] YUICHI KAJITA. Discovery of Novel 3-Piperidinyl Pyridine Derivatives as Highly Potent and Selective Cholesterol 24-Hydroxylase (CH24H) Inhibitors[J]. Journal of Medicinal Chemistry, 2022, 65 4: 3343-3358. DOI:10.1021/acs.jmedchem.1c01898.
1-(3-Bromopyridin-4-yl)ethanone Preparation Products And Raw materials
Raw materials2-Bromo-N-methoxy-N-methylpyridine-4-carboxamide-->Methylmagnesium iodide-->Methylmagnesium Bromide
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