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Polyoxygenated seco-cyclohexenes derivatives from flower and leaf extracts of Desmos cochinchinensis and their ?-glucosidase inhibitory activity.


ABSTRACT: Phytochemical investigations from the flower and leaf extracts of D. cochinchinensis resulted in the isolation and structural elucidation of five new polyoxygenated seco-cyclohexene derivatives, desmoscochinchinenes A-E (1-5), together with 11 known compounds (6-16). The structures on the new compounds were elucidated from their spectroscopic data, including UV, IR, NMR, and HRESITOFMS. Some of the isolated compounds were evaluated for their ?-glucosidase inhibitory activities. Chrysin (9), pinocembrin 7-O-benzoate (12), and (-)-(5R)-desmoscochinoxepinone B (16) inhibited ?-glucosidase better than the standard control (acarbose, IC50 = 83.5 ?M) with IC50 values of 5.7, 33.8, 53.3 ?M, respectively.

SUBMITTER: Suthiphasilp V 

PROVIDER: S-EPMC7772550 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Polyoxygenated <i>seco</i>-cyclohexenes derivatives from flower and leaf extracts of <i>Desmos cochinchinensis</i> and their <i>α</i>-glucosidase inhibitory activity.

Suthiphasilp Virayu V   Maneerat Tharakorn T   Duangyod Thidarat T   Charoensup Rawiwan R   Andersen Raymond J RJ   Pyne Stephen G SG   Laphookhieo Surat S  

Heliyon 20201223 12


Phytochemical investigations from the flower and leaf extracts of <i>D. cochinchinensis</i> resulted in the isolation and structural elucidation of five new polyoxygenated <i>seco</i>-cyclohexene derivatives, desmoscochinchinenes A-E (<b>1</b>-<b>5</b>), together with 11 known compounds (<b>6</b>-<b>16</b>). The structures on the new compounds were elucidated from their spectroscopic data, including UV, IR, NMR, and HRESITOFMS. Some of the isolated compounds were evaluated for their <i>α</i>-glu  ...[more]

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