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131652

Sigma-Aldrich

Pyridine N-oxide

95%

Synonym(s):

Pyridine oxide

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About This Item

Empirical Formula (Hill Notation):
C5H5NO
CAS Number:
Molecular Weight:
95.10
Beilstein:
105257
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

95%

form

solid

bp

270 °C (lit.)

mp

62-67 °C (lit.)

SMILES string

[O-][n+]1ccccc1

InChI

1S/C5H5NO/c7-6-4-2-1-3-5-6/h1-5H

InChI key

ILVXOBCQQYKLDS-UHFFFAOYSA-N

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General description

Pyridine N-oxide axle with [2]rotaxanes was synthesized via an anion templated threading-followed-by-stoppering strategy.

Application

Pyridine N-oxide was used to study the FTIR spectra of pyridine N-oxide in acetonitrile.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

289.4 °F - closed cup

Flash Point(C)

143 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Daniele Sanna et al.
Dalton transactions (Cambridge, England : 2003), 41(24), 7304-7318 (2012-05-12)
The behaviour of the systems formed by VO(2+), 2-hydroxypyridine-N-oxide (Hhpo) and 2-mercaptopyridine-N-oxide (Hmpo) was studied both in solution and in the solid state through the combined application of spectroscopic (EPR and UV-Vis spectroscopy) and DFT methods. The geometry of solid
Palladium-catalyzed (N-oxido-2-pyridinyl)methyl transfer from 2-(2-hydroxyalkyl)pyridine N-oxide to aryl halides by beta-carbon elimination.
Takafumi Suehiro et al.
Chemistry, an Asian journal, 4(8), 1217-1220 (2009-06-09)
James M Mercurio et al.
Chemical communications (Cambridge, England), 49(92), 10793-10795 (2013-10-15)
Four pyridine N-oxide axle containing [2]rotaxanes have been synthesised via an anion templated threading-followed-by-stoppering strategy and shown to be the first examples of neutral interlocked host systems capable of recognising halide anions in aqueous solvent mixtures.
Xue Gong et al.
Organic letters, 13(7), 1766-1769 (2011-03-11)
A Pd(II)-catalyzed oxidative coupling between pyridine N-oxides and N-substituted indoles via 2-fold C-H bond activation was achieved with high selectivity using Ag(2)CO(3) as an oxidant.
Jinshui Chen et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 15(30), 7268-7276 (2009-07-07)
Optically active chiral alkyl chlorides are valuable compounds because of their bioactivity and versatile synthetic utility. Accordingly, the ring opening of epoxides with a chloride nucleophile stands as an important goal in asymmetric catalysis. We describe herein recent advances in

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