crystal structure of 14-methyl-11-(3-methylphenyl)-12-oxa-8,14-diazatetracyclo[8.3.3.01,10.02,7]hexadeca-2(7),3,5-triene-9,13-dione
Abstract
In the title compound, C21H20N2O3, the lactone ring adopts an envelope conformation with the quaternary C atom bonded to two other C atoms as the flap. The fused pyrrolidine ring adopts a twisted conformation about the Cq—N (q = quaternary) bond. In the crystal, inversion dimers linked by pairs of N—H...O hydrogen bonds generate R22(8) loops. The dimers are linked into [110] chains by pairs of C—H...O interactions, which generate R22(14) loops.
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233558
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233558
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10.1107/S2056989015008129
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Scimatic Chain (ID: 481)
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