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The title compound, C18H22N2O2S, is of interest with respect to antibacterial and anticancer activity and it has shown good trypanocidal activity. The molecular packing lacks classical hydrogen bonds, being mediated only by weak van der Waals forces. [ABSTRACT FROM AUTHOR]

The title compound, C15H16N2O2S, is of interest with respect to antibacterial and anticancer activity and shows some trypanocidal activity. The crystal structure displays O—H...N hydrogen bonding, forming a chain along [001]. A weak non-classical hydrogen bond of type C—H...S connects molecules across an inversion centre. The packing is also mediated by an intermolecular C=O...π ring interaction connecting centrosymmetrically related molecules. Steric effects are responsible for the molecular conformation. [ABSTRACT FROM AUTHOR]

The title compound, C16H18N2O3S, is of interest with respect to antibacterial and anticancer activity and shows some trypanocidal activity. The crystal packing displays O—H...N and C—H...S hydrogen bonds, forming a chain parallel to the [100] direction. The crystal structure also shows a short intermolecular C=O...π-ring interaction connecting centrosymmetrically related molecules. [ABSTRACT FROM AUTHOR]

The absolute configuration of strictosidinic acid, (2 S,3 R,4 S)-3-ethenyl-2-(β- d-glucopyranosyloxy)-4-{[(1 S)-2,3,4,9-tetrahydro-1 H-pyrido[3,4- b]indol-1-yl]methyl}-3,4-dihydro-2 H-pyran-5-carboxylate, was determined from its sodium chloride trihydrate, poly[[diaqua((2 S,3 R,4 S)-3-ethenyl-2-(β- d-glucopyranosyloxy)-4-{[(1 S)-2,3,4,9-tetrahydro-1 H-pyrido[3,4- b]indol-2-ium-1-yl]methyl}-3,4-dihydro-2 H-pyran-5-carboxylate)sodium] chloride monohydrate], {[Na(C26H32N2O9)(H2O)2]Cl·H2O} n. The strictosidinic acid molecule participates in intermolecular hydrogen bonds of the O-H...O and O-H...Cl types. The solid-state conformation was observed as a zwitterion, based on a charged pyridine N atom and a carboxylate group, the latter mediating the packing through coordination with the sodium cation. [ABSTRACT FROM AUTHOR]