Structural and theoretical study of four novel norcantharidine derivatives: two new cases of conditional isomorphism.
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DOI: 10.1107/s2053229619016164
Abstract: Structural and theoretical studies of four novel 5,6-dehydronorcantharidine (DNCA)/norcantharidine (NCA) derivatives, namely (3aR,4S,7R,7aS)-2-phenyl-3a,4,7,7a-tetrahydro-4,7-epoxy-1H-isoindole-1,3(2H)-dione, C14H11NO3 (DNCA-A), (3aR,4S,7R,7aS)-2-(4-nitrophenyl)-3a,4,7,7a-tetrahydro-4,7-epoxy-1H-isoindole-1,3(2H)-dione, C14H10N2O5 (DNCA-NA), (3aR,4S,7R,7aS)-2-(4-nitrophenyl)-3a,4,5,6,7,7a-hexahydro-1H-4,7-epoxyisoindole-1,3(2H)-dione, C14H12N2O5 (NCA-NA), and (3aR,4S,7R,7aS)-2-(2-hydroxyethyl)-3a,4,5,6,7,7a-hexahydro-1H-4,7-epoxyisoindole-1,3(2H)-dione, C10H13NO4 (NCA-AE), are reported. The supramolecular interactions and single-crystal structural characteristics of… read more here.
Keywords: crystal structures; four novel; 3ar 7as; structural theoretical ... See more keywords