3a-hydroxy-N-(3-hydroxypropyl)-5b-cholan-24-amide
Valkonen, A., Koivukorpi, J., Lahtinen, M., & Kolehmainen, E. (2009). 3a-hydroxy-N-(3-hydroxypropyl)-5b-cholan-24-amide. Acta Crystallographica Section E, E65, o650.
Julkaistu sarjassa
Acta Crystallographica Section EPäivämäärä
2009Oppiaine
Epäorgaaninen ja analyyttinen kemiaOrgaaninen kemiaInorganic and Analytical ChemistryOrganic ChemistryTekijänoikeudet
© the Authors, 2009. This is an open access article distributed under the Creative Commons Attribution (CC-BY) Licence.
The title compound, C27H47NO3, is a (3-hydroxypropyl)amide
derivative of naturally occurring enantiopure lithocholic acid
(3-hydroxy-5-cholan-24-oic acid). The molecule contains
four fused rings: three six-membered rings in chair conformations
and one five-membered ring in a half-chair form. The
two terminal six-membered rings are cis-fused, while other
rings are trans-fused. The structure contains an intramolecular
O—H O hydrogen bond and a similar hydrogen-bond
framework to the corresponding deoxycholic and
chenodeoxycholic acid derivatives. Intermolecular O—
H O and N—H O interactions are also present in the
crystal. This compound seems to have at least two polymorphic
forms from a comparison of the X-ray powder
pattern simulated from the present structure of the title
compound and that previously obtained for the powder
sample.
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