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Synlett 2000; 2000(12): 1793-1797
DOI: 10.1055/s-2000-8685
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Intermolecular Pauson-Khand Reactions with N-Alkynylamides - Electronically Tuned Variants of Ynamines

Bernhard Witulski* , Matthias Gößmann
  • *Fachbereich Chemie, Universität Kaiserslautern, Erwin-Schrödinger-Straße, 67663 Kaiserslautern, Germany; Fax +49(0)631 205 3921; E-mail: witulski@rhrk.uni-kl.de
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Publication Date:
31 December 2000 (online)

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A set of variously protected N-alkynylamides (ynamides) undergoes efficient intermolecular Pauson-Khand reactions with a variety of olefins to give α-amidocyclopentenones with a high degree of molecular diversity. The obtained cycloaddition products can be transformed through deprotection to synthetically useful enamines or enamides.

Pauson-Khand reactions - cycloaddition - ynamides - cyclopentenone - dicobalt octacarbonyl