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Synlett 1990; 1990(9): 511-514
DOI: 10.1055/s-1990-21146
DOI: 10.1055/s-1990-21146
letter
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.
A New Route to Compounds Bearing Two Contiguous Quaternary Centres
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Publikationsverlauf
Publikationsdatum:
08. März 2002 (online)
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Benzyllithiums exhibit a high propensity to add to unactivated carbon-carbon double bonds. We report here two original uses of this unusual reaction: the addition of benzyllithium derivatives to ethylene as well as an intramolecular version for the straightforward synthesis of cuparene (1,1,2-trimethyl-2-p-tolylcyclopentane), a natural produce: which possesses two contiguous quaternary centres.