Three new quinazolines from Evodia rutaecarpa and their biological activity.

Fitoterapia

Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, People's Republic of China. Electronic address:

Published: June 2018

AI Article Synopsis

  • The study focused on isolating and analyzing quinazoline alkaloids from the unripe fruit of Evodia rutaecarpa, highlighting their diverse biological functions.
  • Three new alkaloids, evodiamide A, B, and C, were discovered along with eight previously known quinazolines in the methanol extract.
  • The compound rhetsinine was particularly noted for its strong pesticide potential, showing effective inhibition against several harmful bacteria with specific EC values.

Article 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 EC values of 3.13, 14.32, and 32.72 nmol.

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Source
http://dx.doi.org/10.1016/j.fitote.2018.02.003DOI Listing

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