520446
3-Ethynylpyridine
98%
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About This Item
Formule empirique (notation de Hill):
C7H5N
Numéro CAS:
Poids moléculaire :
103.12
Numéro MDL:
Code UNSPSC :
12352100
ID de substance PubChem :
Nomenclature NACRES :
NA.22
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Niveau de qualité
Essai
98%
pb
83-84 °C/30 mmHg (lit.)
Pf
39-40 °C (lit.)
Chaîne SMILES
C#Cc1cccnc1
InChI
1S/C7H5N/c1-2-7-4-3-5-8-6-7/h1,3-6H
Clé InChI
CLRPXACRDTXENY-UHFFFAOYSA-N
Mention d'avertissement
Danger
Mentions de danger
Conseils de prudence
Classification des risques
Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2 - STOT SE 3
Organes cibles
Respiratory system
Code de la classe de stockage
4.1B - Flammable solid hazardous materials
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
134.0 °F - closed cup
Point d'éclair (°C)
56.67 °C - closed cup
Équipement de protection individuelle
dust mask type N95 (US), Eyeshields, Gloves
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The Journal of organic chemistry, 68(13), 5381-5383 (2003-06-21)
A convenient one-pot procedure for the preparation of pyrazoles by 1,3-dipolar cycloaddition of diazo compounds generated in situ has been developed. Diazo compounds derived from aldehydes were reacted with terminal alkynes to furnish regioselectively 3,5-disubstituted pyrazoles. Furthermore, the reaction of
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An experimentally simple sequential one-pot RuAAC reaction, affording 1,5-disubstituted 1H-1,2,3-triazoles in good to excellent yields starting from an alkyl halide, sodium azide, and an alkyne, is reported. The organic azide is formed in situ by treating the primary alkyl halide
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