Acta Cryst. (2006). E62, o542-o544 [ doi:10.1107/S1600536806000560 ]
Abstract: The title compound, C17H17NO, is one of the diastereoisomers formed as result of a Diels-Alder reaction catalysed by zirconium tetrachloride. The compound crystallizes with two crystallographically independent molecules in the asymmetric unit. The N-heterocyclic ring adopts a half-chair conformation for both molecules. Only one molecule forms a hydrogen bond; for the other, no acceptor for the NH group is found.
Online 11 January 2006
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