Intramolecular reactions of acyclic N-acyliminium ions I propargyl silanes as nucleophiles |
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| Authors: | Henk Hiemstra Hendrikus P. Fortgens Sander Stegenga W.Nico Speckamp |
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| Affiliation: | Laboratory of Organic Chemistry, University of Amsterdam, Nieuwe Achtergracht 129, 1018 WS Amsterdam, The Netherlands. |
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| Abstract: | Intramolecular reactions of acyclic N-acyliminium ions with propargyl silanes, induced by protic or Lewis acid, lead to α-allenic amides or carbamates, i.e. derivatives of 3-vinylidene-pyrrolidine, 3-vinylidene-piperidine or 1-amino-2- -vinylidenecyclopentane. |
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