371289

2-Bromo-3-methyl-2-butene

96%

• Formule linéaire : (CH₃)₂C=C(Br)CH₃
• CAS Number: 3017-70-7
• Poids moléculaire : 149.03
• Numéro MDL: MFCD00191852
• Code UNSPSC : 12352100
• ID de substance PubChem : 24863097
• Nomenclature NACRES : NA.22

Propriétés

• Essai: 96%
• Forme: liquid
• Contient: copper pellets as stabilizer
• Indice de réfraction: n20/D 1.474 (lit.)
• pb: 40 °C/75 mmHg (lit.)
• Densité: 1.284 g/mL at 25 °C (lit.)
• Groupe fonctionnel: alkyl halide; bromo
• Chaîne SMILES: C\C(C)=C(\C)Br
• InChI: 1S/C5H9Br/c1-4(2)5(3)6/h1-3H3
• Clé InChI: DBELOSOZLGEZBM-UHFFFAOYSA-N

Description

Description générale

2-Bromo-3-methyl-2-butene is a vinylic bromide compound. Palladium/di-1-adamantyl-n-butylphosphine-catalyzed reductive carbonylation of 2-bromo-3-methyl-2-butene has been reported. Cross-coupling reaction of 2-bromo-3-methyl-2-butene with potassium 6-(benzoyloxy)hexyltrifluoroborate and 3-(benzoyloxy)propyltrifluoroborate has been investigated.

Application

2-Bromo-3-methyl-2-butene may be used in the preparation of:

• 2,3,4,5-tetramethyl-2,4-hexadiene
• 2-iodo-3-methyl-2-butene
• diastereomers of 2-amino-3-hydroxy-4,5-dimethylhexanoic acid
• lithium reagent, 2-lithio-3-methylbut-2-ene
• D-allo-(2R,3R,4R)-2-amino-3-hydroxy-4,5-dimethylhexanoic acid-containing peptide, pipecolidepsin A.

Informations sur la sécurité

• Pictogrammes: GHS02,GHS06
• Mention d'avertissement: Danger
• Mentions de danger: H226,H301
• Conseils de prudence: P210 - P233 - P240 - P241 - P242 - P301 + P310
• Classification des risques: Acute Tox. 3 Oral - Flam. Liq. 3
• Code de la classe de stockage: 3 - Flammable liquids
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): 77.0 °F
• Point d'éclair (°C): 25 °C