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917-92-0 - 3,3-Dimethyl-1-butyne, 98% - tert-Butylacetylene - A14013 - Alfa Aesar

A14013 3,3-Dimethyl-1-butyne, 98%

CAS-Nummer
917-92-0
Synonyme
tert-Butylacetylene

Größe Preis ($) Menge Verfügbarkeit
5g 55,44
25g 172,00
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3,3-Dimethyl-1-butyne, 98%

MDL
MFCD00008852
EINECS
213-035-3

Chemische Eigenschaften

Formel
C6H10
Molmasse
82.15
Schmelzpunkt
-78°
Siedepunkt
37-38°
Flammpunkt
<-34°(-29°F)
Dichte
0.671
Brechungsindex
1.3745
Löslichkeit
Miscible with chloroform, benzene and toluene. Immiscible with water.

Anwendungen

3,3-Dimethyl-1-butyne is used as an active pharmaceutical intermediate for terbinafine. It is also used in the preparation of 2,2,7,7-tetramethyl-octa-3,5-diyne. Further, it is used in the synthesis of erythro and threo isomers of B-(3,3-dimethyl-1,2-dideuterio-1-butyl)-9-BBN by hydroboration-deuteronolysis-hydroboration sequence.

Bemerkungen

Store in a cool place. Incompatible with strong oxidizing agents.

Literaturverweise

1-Alkynes react with Schwartz's reagent, (Bis(cyclopentadienyl)­zirconium hydridochloride, L15164), to give vinyl zirconium complexes, which undergo conjugate addition to enones in the presence of a nickel catalyst: J. Am. Chem. Soc., 99, 8045 (1977):

Gao, P.; Wang, Z.; Wang, X.; Zhang, W.; Gao, Z. Linear and V-Shaped Alkynyl-1,3,5-tri­azines. Eur. J. Org. Chem. 2015, 2015 (32), 7020-7027.

Liu, D.; Qiu, Z.; Xie, Z. Synthesis, structure, and alkyne insertion of a mixed-sandwich zirconacarborane alkyl. Inorg. Chem. Front. 2015, 2 (5), 467-472.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H225-H304

Highly flammable liquid and vapour. May be fatal if swallowed and enters airways.

Sicherheitshinweise: P210-P273-P233-P243-P301+P330+P331-P315-P403+P235

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid release to the environment. Keep container tightly closed. Take precautionary measures against static discharge. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Get immediate medical advice/attention. Store in a well-ventilated place. Keep cool.

Weitere Referenzen

Beilstein
1697100
Gefahrenklasse
3
Verpackungsgruppe
II
Harmonized Tariff Code
2901.29
TSCA
No

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