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260517

Sigma-Aldrich

2-Quinoxalinol

99% (HPLC)

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About This Item

Fórmula empírica (notación de Hill):
C8H6N2O
Número de CAS:
1196-57-2
Peso molecular:
146.15
EC Number:
214-815-6
MDL number:
MFCD00006722
UNSPSC Code:
12352100
PubChem Substance ID:
24855756
NACRES:
NA.22

assay

99% (HPLC)

mp

271-272 °C (lit.)

SMILES string

Oc1cnc2ccccc2n1

InChI

1S/C8H6N2O/c11-8-5-9-6-3-1-2-4-7(6)10-8/h1-5H,(H,10,11)

InChI key

FFRYUAVNPBUEIC-UHFFFAOYSA-N

General description

Epitaxial crystallization of syndiotactic polypropylene on 2-quinoxalinol yields isochiral form II of syndiotactic polypropylene. 2-Quinoxalinol participates in direct dehydrative cross-coupling of 2-quinoxalinone with p-tolylacetylene via Pd/Cu-catalyzed phosphonium coupling.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Fu-An Kang et al.
Chemical communications (Cambridge, England), 46(8), 1347-1349 (2010-05-08)
The first chemoselective direct dehydrative cross-coupling of tautomerizable heterocycles with alkynes has been achieved via C-H/C-OH bond activations with direct C(sp(2))-C(sp) bond formation, which is in line with ideal synthesis using readily available materials.
Isochiral form II of syndiotactic polypropylene produced by epitaxial crystallization.
Zhang J, et al.
Macromolecules, 34(18), 6261-6267 (2001)
Pramila Menon et al.
Chemosphere, 53(8), 1023-1031 (2003-09-25)
The dissipation of 14C carbaryl in undisturbed soil cores, and of quinalphos (25EC and 20AF) after seed and soil treatments, was investigated under field use conditions, in a semi-arid groundnut field. Residues were analyzed by TLC and HPLC and additionally
Andreas Behrends et al.
Redox report : communications in free radical research, 9(5), 279-288 (2004-12-21)
Toxicity of the pesticide quinalphos may comprise secondary, delayed effects by its main metabolite 2-hydroxyquinoxaline (HQO). We demonstrate that HQO can destroy photocatalytically vitamins C and E, catecholamines, serotonin, melatonin, the melatonin metabolite AMK (N(1)-acetyl-5-methoxykynuramine), and unsubstituted and substituted anthranilic
R Q He et al.
Biochemistry and molecular biology international, 37(3), 447-457 (1995-10-01)
A procedure for transaminating proteins and removing the transaminated N-terminal residue has been used for studying structure-function relationship of protein (Dixon and Fields 1972, Meth. Enzymol. 25, 409-419). We show that it is convenient for measuring the relative molecular masses
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