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Acta Cryst. (2006). E62, o4775-o4777 [ doi:10.1107/S1600536806035616 ]
Abstract: Sandine, C21H22N2O3, which is a naturally occurring biologically active product derived from plants, is important as a possible starting material for the syntheses of valuable pharmaceuticals. The sandine framework consists of two five- and three six-membered condensed rings. One of the six-membered rings adopts a screw-boat conformation, one adopts an envelope conformation and the third is planar. Both five-membered rings have envelope structures. Molecules are linked into dimers by N-H
O hydrogen bonds. The asymmetric unit contains two molecules.
Online 4 October 2006
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