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Quadrangulosides A-F: new pregnane glycosides from Caralluma quadrangula.

ABSTRACT: The phytochemical investigation of Caralluma quadrangula aerial parts yielded six new pregnane glycosides, quadrangulosides A-F (1-6), in addition to nine known pregnane glycosides and three known flavone glycosides. Structures of isolated phyto-constituents were elucidated via spectroscopic 1D-, 2D-NMR and spectrometric ESI-MS spectra.

SUBMITTER: Ismail GA 

PROVIDER: S-EPMC10106976 | biostudies-literature | 2023 Apr

REPOSITORIES: biostudies-literature

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Quadrangulosides A-F: new pregnane glycosides from <i>Caralluma quadrangula</i>.

Ismail Ghada A GA   Mostafa Mohamed E ME   Mubarak Ahmed Y AY   Dawidar AbelAziz M AM   Abdel-Mogib Mamdouh M  

RSC advances 20230417 17

The phytochemical investigation of <i>Caralluma quadrangula</i> aerial parts yielded six new pregnane glycosides, quadrangulosides A-F (1-6), in addition to nine known pregnane glycosides and three known flavone glycosides. Structures of isolated phyto-constituents were elucidated <i>via</i> spectroscopic 1D-, 2D-NMR and spectrometric ESI-MS spectra. ...[more]

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