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The allenic Pauson-Khand cycloaddition. Dependence in π-bond selectivity on substrate structure

✍ Scribed by Kay M. Brummond; Honghe Wan

Book ID: 104258578
Publisher: Elsevier Science
Year: 1998
Tongue: French
Weight: 219 KB
Volume: 39
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(97)10679-7

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✦ Synopsis

Alkynyl allenes undergo intramolecular Pauson-Khand (P-K) cycloaddidons to provide functionalized (x-methylene and 4-alkylidene cyclopentenones in good yields. These studies have demonstrated a dependence of the n-bond selectivity of this cycloaddition on the substitution pattern of the allene.

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