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Synlett 2000; 2000(8): 1119-1122
DOI: 10.1055/s-2000-6764
DOI: 10.1055/s-2000-6764
letter
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Diels-Alder Reactions of 4,4-Disubstituted 2-Cyano-2,5-cyclohexadienones. A Facile Approach to the Angularly Substituted cis-Decalin System
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Publikationsverlauf
Publikationsdatum:
31. Dezember 2000 (online)
4,4-Disubstituted 2-cyano-2,5-cyclohexadienones 1 and 2 were found to add efficiently to a variety of conjugated dienes under zinc chloride catalysis. On exposure to lithium naphthalenide, the adducts thus obtained were shown to undergo facile reductive decyanation, and the ensuing enolate ions readily trapped with a variety of alkylating agents to provide angularly substituted, highly functionalized cis-decalin derivatives.
cycloaddition - reduction - alkylation - cyano compounds - ketones