Abstract
In the title compound, C30H52O5, the three six-membered rings are in chair conformations, the five-membered ring is in an envelope form and the tetrahydrofuran ring has a conformation intermediate between half-chair and sofa. Intramolecular O—H⋯O hydrogen bonds may influence the conformation of the molecule. In the crystal, molecules are linked by intermolecular O—H⋯O hydrogen bonds, forming a three-dimensional network.
Highlights
C30H52O5, the three six-membered rings are in chair conformations, the five-membered ring is in an envelope form and the tetrahydrofuran ring has a conformation intermediate between half-chair and sofa
Intramolecular O—HÁ Á ÁO hydrogen bonds may influence the conformation of the molecule
Molecules are linked by intermolecular O—HÁ Á ÁO hydrogen bonds, forming a three-dimensional network
Summary
C30H52O5, the three six-membered rings are in chair conformations, the five-membered ring is in an envelope form and the tetrahydrofuran ring has a conformation intermediate between half-chair and sofa. Intramolecular O—HÁ Á ÁO hydrogen bonds may influence the conformation of the molecule. Molecules are linked by intermolecular O—HÁ Á ÁO hydrogen bonds, forming a three-dimensional network. Related literature The title compound was prepared from 20(S)-protopanaxatriol which was degraded from Panax quinquefolium saponin. For background to and the medicinal properties of Panax ginseng and Panax quinquefolium, see: Shibata et al (1985); Takano et al (1999); Yu et al (2007); Wang et al (2010). See: Shi et al (1992); Meng et al (2010)
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