Chemical constituents of the twigs and leaves of Erythrina strica

doi:10.5246/jcps.2021.12.083

Journal of Chinese Pharmaceutical Sciences ›› 2021, Vol. 30 ›› Issue (12): 969-975.DOI: 10.5246/jcps.2021.12.083

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Chemical constituents of the twigs and leaves of Erythrina strica

Fengqiu Li, Dewen Bi, Xuesong Liang, Ruilong Luo, Hongdan Zhuang, Liqin Wang^*()

School of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, China

Received:2021-06-28 Revised:2021-07-15 Accepted:2021-09-04 Online:2021-12-24 Published:2021-12-20
Contact: Liqin Wang

Abstract

Abstract:

A total of 15 compounds were extracted from the ethyl acetate extraction of the twigs and leaves of Erythrina strica. Based on NMR spectral data, their structures were identified as loliolide (1), phaseic acid (2), pinnatififidanoid A (3), soyasapogenol E (4), soyasapogenol B (5), 2α,3α,19α,23-tetrahydroxyurs-12-en-28-oic acid (6), 3β,22β,24-trihydroxyolean-12-en-29-oic acid (oxytrogenin) (7), (23Z)-9,19-cycloart-23-ene-3β,25-diol (8), 3,4-dihydroxybenzoic acid (9), syringaresinol (10), (E)-4-hydroxy-dodec-2-enedioic acid (11), lutein (12), ergosterol-5,8-peroxide (13), β-sitosterol (14), and daucosterol (15). Except for compounds 13–15, all the compounds were isolated from this plant for the first time. Moreover, sesquiterpenoids were isolated from Erythrina genus for the first time.

Key words: Erythrina, Erythrina strica, Sesquiterpenoid

Supporting:

Fengqiu Li, Dewen Bi, Xuesong Liang, Ruilong Luo, Hongdan Zhuang, Liqin Wang. Chemical constituents of the twigs and leaves of Erythrina strica[J]. Journal of Chinese Pharmaceutical Sciences, 2021, 30(12): 969-975.

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References 18

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Chemical constituents of the twigs and leaves of Erythrina strica

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