233277
2,6-Difluoropyridine
99%
Synonym(s):
2,6-Difluoropyridine
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About This Item
Empirical Formula (Hill Notation):
C5H3F2N
CAS Number:
Molecular Weight:
115.08
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
216-152-8
Beilstein/REAXYS Number:
1422549
MDL number:
Assay:
99%
Form:
liquid
InChI key
MBTGBRYMJKYYOE-UHFFFAOYSA-N
InChI
1S/C5H3F2N/c6-4-2-1-3-5(7)8-4/h1-3H
SMILES string
Fc1cccc(F)n1
assay
99%
form
liquid
refractive index
n20/D 1.437 (lit.)
bp
124.5 °C/743 mmHg (lit.)
density
1.268 g/mL at 25 °C (lit.)
functional group
fluoro
Quality Level
General description
Lithium diisopropylamide (LDA)-mediated ortholithiations of 2,6-difluoropyridine in tetrahydrofuran at -78°C has been studied using a combination of IR and NMR spectroscopic and computational methods. Polycondensation of bistrimethylsilyl derivatives of various diphenols with 2,6-difluoropyridine in N-methylpyrrolidone in the presence of K2CO3 has been investigated.
Application
2,6-Difluoropyridine has been used in the preparation of poly(pyridine ether)s via polycondensation with silylated 1,1,1-tris(4-hydroxyphenyl)ethane.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
91.4 °F - closed cup
flash_point_c
33 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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Lekha Gupta et al.
The Journal of organic chemistry, 78(9), 4214-4230 (2012-12-29)
Lithium diisopropylamide (LDA)-mediated ortholithiations of 2-fluoropyridine and 2,6-difluoropyridine in tetrahydrofuran at -78 °C were studied using a combination of IR and NMR spectroscopic and computational methods. Rate studies show that a substrate-assisted deaggregation of LDA dimer occurs parallel to an
Multicyclic polyethers derived from 1, 1, 1-tris (4-hydroxyphenyl) ethane and 2, 6-dihalopyridines.
Kricheldorf HR, et al.
Journal of Polymer Science Part A: Polymer Chemistry, 42(22), 5725-5735 (2004)
Cyclic poly (pyridine ether) s by the polycondensation of 2, 6-difluoropyridine with various diphenols.
Kricheldorf HR, et al.
Journal of Polymer Science Part A: Polymer Chemistry, 430(20), 4781-4789 (2005)
Qianglu Lin et al.
Journal of the American Chemical Society, 139(19), 6644-6653 (2017-04-22)
The use of semiconductor nanocrystal quantum dots (QDs) in optoelectronic devices typically requires postsynthetic chemical surface treatments to enhance electronic coupling between QDs and allow for efficient charge transport in QD films. Despite their importance in solar cells and infrared
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