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Merck

243086

Sigma-Aldrich

Pyridine hydrochloride

98%

Sinónimos:

Pyridinium chloride

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About This Item

Fórmula empírica (notación de Hill):
C5H5N · HCl
Número de CAS:
Peso molecular:
115.56
Beilstein/REAXYS Number:
3615340
EC Number:
MDL number:
UNSPSC Code:
12352100
eCl@ss:
39151701
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

98%

bp

222-224 °C (lit.)

mp

145-147 °C (lit.)

solubility

ethanol: soluble 50 mg/mL, clear, colorless to light yellow

SMILES string

Cl[H].c1ccncc1

InChI

1S/C5H5N.ClH/c1-2-4-6-5-3-1;/h1-5H;1H

InChI key

AOJFQRQNPXYVLM-UHFFFAOYSA-N

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General description

Pyridine hydrochloride is an acidic type demethylating agent used as a catalyst in deprotection of aromatic methyl ethers.

Application

Pyridine hydrochloride (pyridine hydrochloride) was used in the demethylation of 4,5-dimethyl-7-methoxy-1-tetralone.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Microwave Mediated Dearylation of 2-Aryloxy-5-Nitropyridine
Kher S et al.
Research Journal of Chemical Sciences, 2231, 606X-606X (2011)
Demethylation of methyl aryl ethers using pyridine hydrochloride in solvent-free conditions under microwave irradiation.
Kulkarni PP, et al.
J. Chem. Res. Synop., 6, 394-395 (1999)
Tatyana N Sevastyanova et al.
Molecular pharmacology, 86(5), 492-504 (2014-08-13)
Metabotropic glutamate receptors (mGluRs) function as dimers. Recent work suggests that mGluR1 and mGluR5 may physically interact, but the nature and functional consequences of this relationship have not been addressed. In this study, the functional and pharmacological consequences of this
Nathalie Ségaud et al.
Inorganic chemistry, 52(2), 691-700 (2013-01-11)
We report the synthesis, characterization, and solution chemistry of a series of new Fe(II) complexes based on the tetradentate ligand N-methyl-N,N'-bis(2-pyridyl-methyl)-1,2-diaminoethane or the pentadentate ones N,N',N'-tris(2-pyridyl-methyl)-1,2-diaminoethane and N,N',N'-tris(2-pyridyl-methyl)-1,3-diaminopropane, modified by propynyl or methoxyphenyltriazolyl groups on the amino functions. Six of
Harry Adams et al.
Journal of the American Chemical Society, 135(5), 1853-1863 (2013-01-31)
The association constants for a family of 96 closely related zinc porphyrin-pyridine ligand complexes have been measured in two different solvents, toluene and 1,1,2,2-tetrachloroethane (TCE). The zinc porphyrin receptors are equipped with phenol side arms, which can form intramolecular H-bonds

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