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2-Butyne is used to synthesize alkylated hydroquinones in the total synthesis of Vitamin E. It is also used as pharmaceutical intermediates.
Dongmin Shen; Lovat V.C Rees. Adsorption and diffusion of n-butane and 2-butyne in silicalite-I. Zeolites.1991, 11 684-689.
Kevin C. Wallace; Andy H. Liu; William M. Davis; Richard R. Schrock. Living polymerization of 2-butyne using a well-characterized tantalum catalyst.Organometallics.1989, 8 (3), 644-654.
With AlCl3, dimerizes to give the complex of the otherwise unstable tetramethylcyclobutadiene, cycloaddition of which with dimethyl acetylenedicarboxylate gives a Dewar benzene: Synthesis, 139 (1971):
With a catalytic amount of AlCl3, hexamethyl Dewar benzene can be produced directly, with the 2-butyne also acting as the dienophile component: Org. Synth. Coll., 7, 256 (1990).
Reacts with chlorine to give 3,4-dichloro,1,2,3,4-tetramethylcyclobutene, a precursor of various cyclobutadienyl complexes: Org. Synth. Coll., 5, 370 (1973).
For use in formation of a Zr metallocycle as an intermediate in the formation of phospholes and analogous heterocycles, see Bis(cyclopentadienyl)zirconium dichloride, 12548.
Gefahrenhinweise (EU): H224-H315-H319-H335
Extremely flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
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