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ChemInform Abstract: 1,5‐Annelated 4‐Methylenecyclopentenes by Intramolecular Type I Zinc‐Ene Reactions Followed by Pd(0)‐Catalyzed Cyclization.

1990; Wiley; Volume: 21; Issue: 12 Linguagem: Inglês

10.1002/chin.199012060

1431-5890

J. Van Der Louw, C.M.D. Komen, Adri Knol, Frans J. J. de Kanter, J. L. VAN DER BAAN, F. Matthias Bickelhaupt, G. W. Klumpp,

Cyclopropane Reaction Mechanisms

Abstract The branched methoxyalkenynylmagnesium chlorides (VI), prepared via the key steps outlined in the reaction scheme, are transmetallated with zinc dibromide (VII) to generate the organozinc analogues (VIII).