Five- and six-membered carbocyles 2 and 3 can be obtained from zirconacyclopentanes of type 1 by a novel carbometalation with nonactivated alkynes in the presence of CuCl (see reaction scheme).
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Inter- or Intramolecular Carbometalation of Nonactivated Alkynes by Zirconacyclopentanes in the Presence of Copper Chloride.
Angew Chem Int Ed Engl
April 1999
Catalysis Research Center and Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo 060 (Japan), Fax: (+81) 11-706-3274.
Five- and six-membered carbocyles 2 and 3 can be obtained from zirconacyclopentanes of type 1 by a novel carbometalation with nonactivated alkynes in the presence of CuCl (see reaction scheme).
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