Novel Phosphonium Cations. 2. Electrophilic Chemistry of Tetraphosphacubane: Novel Monophosphonium Ions of Ethylation, Benzylation, Acylation, and …

…, B Geissler, M Regitz, JJ Houser

Index: Laali, Kenneth K.; Geissler, Bernhard; Regitz, Manfred; Houser, John J. Journal of Organic Chemistry, 1995 , vol. 60, # 1 p. 47 - 52

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Citation Number: 10

Abstract

Thermal cyclooligomerization of tBuCEP is nonselective yielding a mixture containing 2a in low yield (-10%). Chemoselective synthesis of 2a and 2b was subsequently achieved using the tricyclic zirconium complex 3 by reaction with hexachloroethane (Figure l), providing gram quantitites (3a, b-2a, b) for further studies.'S2 Photoelectron spectroscopy, 3 ab initio~ alculations,~ and NMR spectroscopy support the notion that nP-u PC delocalization ...

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