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  • Title: Three new quinazolines from Evodia rutaecarpa and their biological activity.
    Author: Su XL, Xu S, Shan Y, Yin M, Chen Y, Feng X, Wang QZ.
    Journal: Fitoterapia; 2018 Jun; 127():186-192. PubMed ID: 29454021.
    Abstract:
    In this research, we investigated the profile and bioactivities of quinazoline alkaloids, a class of natural products boasting multiple bioactivities, from the unripe fruit of Evodia rutaecarpa (Juss.) Benth. Three new quinazoline alkaloids, evodiamide A (1), evodiamide B (2), and evodiamide C (3), as well as eight known quinazolines, were isolated from the MeOH extract of E. rutaecarpa. The new compounds are rare quinazolinedione derivatives with linked heterocyclic nuclei. Among these quinazolines, rhetsinine (8) showed potential as a pesticide and exhibited excellent inhibition against Xanthomonas oryzae pv. oryzae, Xanthomonas oryzae pv. oryzicola, and Xanthomonas campestris pv. campestris, with respective EC50 values of 3.13, 14.32, and 32.72 nmol.
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