528226
5-溴-2(1H)-吡啶酮
97%
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经验公式（希尔记法）:
C5H4BrNO
化学文摘社编号:
分子量:
174.00
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
MDL number:
产品名称
5-溴-2(1H)-吡啶酮, 97%
InChI
1S/C5H4BrNO/c6-4-1-2-5(8)7-3-4/h1-3H,(H,7,8)
SMILES string
BrC1=CNC(=O)C=C1
InChI key
NDMZZQRNZFWMEZ-UHFFFAOYSA-N
assay
97%
mp
180-183 °C (lit.)
functional group
bromo
Quality Level
General description
5-Bromo-2(1H)-pyridone undergoes difluormethylation in the presence of sodium chlorodifluoroacetate (ClCF2COONa) and methyl cyanide.
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Makoto Ando et al.
Organic letters, 8(17), 3805-3808 (2006-08-11)
[reaction: see text] A novel one-pot synthesis of N-difluoromethyl-2-pyridones is described. N-(Pyridin-2-yl)acetamide derivatives were excellent precursors for the preparation of N-difluoromethyl-2-pyridone derivatives. Difluoromethylation of 2-acetaminopyridine derivatives was achieved with sodium chlorodifluoroacetate as a difluorocarbene source in the presence of a
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