title: Migration of methylethynyl group in a long-lived carbocation.
abstract: Degenerate 1,2-shift of methylethynyl group in long-lived 9,10-dimethyl-9-methylethynyl-phenanthrenium ion has been detected by NMR. This is the first example of ethynyl migration in a long-lived carbocation.
authors: N N Vorozhtsov Novosibirsk Institute of Organic Chemistry, Novosibirsk, Russian Federation.
authors: George E
authors: GE
authors: Salnikov
authors: Alexander M
authors: AM
authors: Genaev
authors: Vladimir A
authors: VA
authors: Bushmelev
authors: Vyacheslav G
authors: VG
authors: Shubin