Verbesserte präparative Darstellung von Polyisopropyl- und Poly-tert-butylcyclopentadienen / Improved Preparation of Polyisopropyl- and -tert-butylcyclopentadienes
Open Access
- 1 April 1993
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 48 (4) , 457-460
- https://doi.org/10.1515/znb-1993-0410
Abstract
Phase transfer catalytic isopropylation or tert-butylation of cyclopentadiene yields 1-6 in efficient one-pot procedures. Powdered potassium hydroxide or solid sodium hydride are the prefered bases, Aliquat 336 or dibenzo-18-crown-6 are the PT catalysts.Keywords
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