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ISSN electronic edition: 1336-9075
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Semiquinol and phenol compounds from seven Senecio species

Boris M. Mandić, Dejan M. Gođevac, Ljubodrag V. Vujisić, Snežana S. Trifunović, Vele V. Tesević, Vlatka V. Vajs, and Slobodan M. Milosavljević

Faculty of Chemistry Univesity of Belgrade, Studentski trg 16, 11000 Belgrade, Serbia

 

E-mail: borism@chem.bg.ac.rs

Abstract: In this paper, examination of the aerial parts of seven Senecio species from Serbia and Montenegro is reported. Phytochemical investigation of Senecio erucifolius led to the isolation and characterization of semiquinol butyl 2-(1-hydroxy-4-oxocyclohexa-2,5-dienyl)acetate (I), along with methyl 2-(1-hydroxy-4-oxocyclohexa-2,5-dienyl)acetate (jacaranone, II), and methyl 2-(4-hidroxyphenyl)acetate (III). The structure of I was established based on spectroscopic studies (1H- and 13C-NMR, IR, and CI-MS). Compound II was also isolated from S. carpathicus and S. subalpinus. The presence of jacaranone in the methanol extracts of S. wagneri, S. othonnae, and S. paludosus was confirmed by LC/ESI-TOF MS.

Keywords: Senecio species – semiquinol and phenol compounds – NMR – LC/ESI-TOF MS

Full paper is available at www.springerlink.com.

DOI: 10.2478/s11696-010-0091-x

 

Chemical Papers 65 (1) 90–92 (2011)

Tuesday, November 29, 2022

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