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131652

Sigma-Aldrich

Pyridine N-oxide

95%

Sinónimos:

Pyridine oxide

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About This Item

Fórmula empírica (notación de Hill):
C5H5NO
Número de CAS:
694-59-7
Peso molecular:
95.10
Beilstein/REAXYS Number:
105257
EC Number:
211-774-6
MDL number:
MFCD00006194
UNSPSC Code:
12352100
PubChem Substance ID:
24848028
NACRES:
NA.22

Quality Level

100

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

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

289.4 °F - closed cup

flash_point_c

143 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Allyn T Londregan et al.
Organic letters, 13(7), 1840-1843 (2011-03-08)
A general and facile one-pot procedure for the synthesis of 2-substituted pyridines from the corresponding pyridine-N-oxides and nucleophiles is presented as a mild alternative to S(N)Ar chemistry. A variety of nucleophiles and heterocyclic-N-oxides participate effectively in this transformation, which uses
Wei Liu et al.
Organic letters, 15(18), 4682-4685 (2013-09-12)
A highly efficient protocol for C-H/C-H cross-coupling has been found to occur between 2-aryl-1,2,3-triazole N-oxides and pyridine N-oxide derivatives. In addition, two homocoupling reactions of 2-substituted 1,2,3-triazole N-oxides and some pyridine N-oxide derivatives were developed. A possible pathway of C-H/C-H
Takahiko Kojima et al.
Journal of the American Chemical Society, 133(44), 17901-17911 (2011-09-29)
Ruthenium(II)-acetonitrile complexes having η(3)-tris(2-pyridylmethyl)amine (TPA) with an uncoordinated pyridine ring and diimine such as 2,2'-bipyridine (bpy) and 2,2'-bipyrimidine (bpm), [Ru(II)(η(3)-TPA)(diimine)(CH(3)CN)](2+), reacted with m-chloroperbenzoic acid to afford corresponding Ru(II)-acetonitrile complexes having an uncoordinated pyridine-N-oxide arm, [Ru(II)(η(3)-TPA-O)(diimine)(CH(3)CN)](2+), with retention of the coordination
Yichen Tan et al.
Journal of the American Chemical Society, 134(8), 3683-3686 (2012-02-09)
Direct arylations of pyridine N-oxide (PyO), a convenient method to prepare 2-arylpyridines, catalyzed by Pd(OAc)(2) and PtBu(3) have been proposed to occur by the generation of a PtBu(3)-ligated arylpalladium acetate complex, (PtBu(3))Pd(Ar)(OAc) (1), and the reaction of this complex with
G Pitsevich et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 120, 585-594 (2014-01-01)
FTIR spectra of pyridine N-oxide and trichloroacetic acid H-bonded complex in acetonitrile were studied at 20 and 50°C. The calculations of equilibrium configurations of the complex and their IR spectra in harmonic- and anharmonic approximations were carried out at the
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