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375098

Sigma-Aldrich

6-Chloroquinoline

99%

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Empirical Formula (Hill Notation):
C9H6ClN
CAS Number:
Molecular Weight:
163.60
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

99%

form

solid

bp

126-127 °C/10 mmHg (lit.)

mp

41-43 °C (lit.)

SMILES string

Clc1ccc2ncccc2c1

InChI

1S/C9H6ClN/c10-8-3-4-9-7(6-8)2-1-5-11-9/h1-6H

InChI key

GKJSZXGYFJBYRQ-UHFFFAOYSA-N

General description

6-Chloroquinoline is a haloquinoline. Pd/C-catalyzed Suzuki-Miyaura coupling of 6-chloroquinoline with 2-(dicyclohexylphosphino)biphenyl is reported. The polarographic behavior of 6-chloroquinoline in DMF solutions and mechanism of its reduction at the dropping mercury electrode has been reported. Stability constants of molecular iodine complexes of 6-chloroquinoline in aliphatic and aromatic hydrocarbons, carbon tetrachloride, bromobenzene and chloro-substituted benzenes was investigated by spectrophotometric methods.
The standard molar enthalpy of formation of 6-chloroquinoline has been derived from the standard molar enthalpy of combustion and was evaluated in terms of molecular structure. Its arylation reaction with diamine derivatives of adamantanes in the presence of palladium catalyst has been reported to afford N,N′-diaryl derivatives.

Application

6-Chloroquinoline may be used in the synthesis of 3-methyl-3H-imidazo[4,5-f]quinolin-2-amine. It may be used as catalyst for high yield preparation of ethoxycarbonyl isothiocyanate.
Catalyst for high yield preparation of ethoxycarbonyl isothiocyanate.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

235.4 °F

Flash Point(C)

113 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Standard molar enthalpies of formation of 2-chloroquinoline, 4-chloroquinoline, 6-chloroquinoline and 4, 7-dichloroquinoline by rotating-bomb calorimetry.
da Silva MAVR, et al.
The Journal of Chemical Thermodynamics, 38(1), 49-55 (2006)
Tsuyoshi Tagata et al.
The Journal of organic chemistry, 68(24), 9412-9415 (2003-11-25)
A phosphine ligand, such as PPh3 or 2-(dicyclohexylphosphino)biphenyl, is essential for the Pd/C-catalyzed Suzuki-Miyaura coupling of halopyridines and haloquinolines, although it has been reported that the reaction of phenyl chlorides can be catalyzed by nonprereduced Pd/C without any additives. In
The Journal of Organic Chemistry, 55, 5230-5230 (1990)
Arylation of adamantanamines: V. Palladium-catalyzed amination of isomeric chloroquinolines with diamines of the adamantane series.
Grigorova OK, et al.
Russ. J. Org. Chem., 48(12), 1495-1508 (2012)
A convenient synthesis of mutagenic 3H-imidazo [4, 5-f] quinolin-2-amines and their 2-14 C-labelled analogues.
Adolfsson LARS and Olsson KJELL.
Acta Chemica Scandinavica, 37, 157-159 (1983)

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