2021•Vietnam Journal of Science and Technology/Science and TechnologyOpen access

Phenolic glycosides from the stems of Clerodendrum inerme Gaertn. collected in Vietnam

Trần Thị Minh, Nguyen Thi Minh Thuong, Nguyen Hoai Thu, Nhu Trong Nghia, Ho Khanh Toan, Nguyen Thi Viet Thanh, Trần Thu Hương

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Abstract

Five phenolic glycosides, clerodenoside A (1), seguinoside K (2), cistanoside D (3), verbascoside (4), and isoverbacoside (5) were isolated from the ethyl acetate soluble fraction of methanolic extract of the Clerodendrum inerme stems. Their structures were determined by spectroscopic analysis and comparison of spectral data with those reported in the literature. Compound 3 was isolated from this plant for the first time.

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What this paper is about

Five phenolic glycosides, clerodenoside A (1), seguinoside K (2), cistanoside D (3), verbascoside (4), and isoverbacoside (5) were isolated from the ethyl acetate soluble fraction of methanolic extract of the Clerodendrum inerme stems. Their structures were determined by spectroscopic analysis and comparison of spectral data with those reported in the literature. Compound 3 was isolated from this plant for the first time.

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Available abstract

Five phenolic glycosides, clerodenoside A (1), seguinoside K (2), cistanoside D (3), verbascoside (4), and isoverbacoside (5) were isolated from the ethyl acetate soluble fraction of methanolic extract of the Clerodendrum inerme stems. Their structures were determined by spectroscopic analysis and comparison of spectral data with those reported in the literature. Compound 3 was isolated from this plant for the first time.

Key concepts: Verbascoside, Glycoside, Chemistry, Traditional medicine, Phenylethanoid, Spectral analysis, Botany, Biology

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