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3355-28-0 - 1-Bromo-2-butyne, 98% - L20134 - Alfa Aesar

L20134 1-Bromo-2-butyne, 98%

CAS-Nummer
3355-28-0
Synonyme

Größe Preis ($) Menge Verfügbarkeit
5g 101,00
25g 395,00
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1-Bromo-2-butyne, 98%

MDL
MFCD00190233
EINECS
000-000-0

Chemische Eigenschaften

Formel
CH3C≡CCH2Br
Molmasse
132.99
Siedepunkt
123-125°
Flammpunkt
36°(96°F)
Dichte
1.519
Brechungsindex
1.5080
Löslichkeit
Miscible with acetonitrile.

Anwendungen

1-Bromo-2-butyne is used in the preparation of six to eight annulated ring compounds in reaction with indoles and pseudopterane (+/-)-Kallolide B, which is a marine natural product. Further, it acts as a precursor in the preparation of axially chiral teranyl compounds, alkylation of L-tryptophan methyl ester, 4-butynyloxybenzene sulfonyl chloride and mono-propargylated diene derivative. In addition to this, it is also used in the synthesis of isopropylbut-2-ynylamine, allenylcyclobutanol derivatives, allyl-[4-(but-2-ynyloxy)phenyl]sulfane, allenylindium and axially chiral teranyl compounds.

Bemerkungen

Incompatible with strong oxidizing agents.

Literaturverweise

Wells, S. M.; Brummond, K. M. Conditions for a Rh(I)-catalyzed [2+2+1] cycloaddition reaction with methyl substituted allenes and alkynes. Tetrahedron Lett. 2015, 56 (23), 3546-3549.

Mizoguchi, H.; Watanabe, R.; Minami, S.; Oikawa, H.; Oguri, H. Synthesis of multiply substituted 1,6-dihydropyridines through Cu(I)-catalyzed 6-endo cyclization. Org. Biomol. Chem. 2015, 13 (21), 5955-5963.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H226-H315-H319-H335

Flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Sicherheitshinweise: P210-P261-P280-P240-P303+P361+P353-P305+P351+P338-P304+P340-P362-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. Ground/bond container and receiving equipment. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
605306
Gefahrenklasse
3
Verpackungsgruppe
III
Harmonized Tariff Code
2903.39
TSCA
No

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