Bond-making in the 1,5-sigmatropic migration of unsaturated groups |
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| Authors: | Roger W Alder Wolfram Grimme |
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| Institution: | School of Chemistry, University of Bristol, Bristol BS8 1TS, England;Institut für Organische Chemie der Universitat, Greinstrasse 4, D5000 Köln 41, West Germany |
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| Abstract: | 1,5-Shifts of vinyl and related groups occur by a mechanism in which σ-bond-making is almost complete before bond-breaking begins; in at least one case (the rearrangement of cis-9,10-dihydronaphthalenes) a discrete intermediate is involved. |
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