ChemInform Abstract: NMR‐SPEKTREN UND KONSTANTEN DER SPIN‐SPIN‐WECHSELWIRKUNG DER RINGPROTONEN VON 2,6‐DIALKYL‐PHENOLEN

Kuts, V. S.; Sandul, G. V.; Gurvich, A. Ya.; Grinberg, A. E.; Sorokin, E. S.; Pokhodenko, V. D.

doi:10.1002/chin.197217079

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2007

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“…The assignment of 13 C NMR resonances was confirmed by DEPT, HSQC, and HMBC techniques. This is the first report of the occurrence of 3 in a natural source, although it has been synthesized by Kuts et al…”

Section: Resultsmentioning

confidence: 98%

New Phenylpropenoids, Bis(1-phenylethyl)phenols, Bisquinolinone Alkaloid, and Anti-inflammatory Constituents from Zanthoxylum integrifoliolum

Chen

Liao

et al. 2007

J. Nat. Prod.

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Five new compounds, including two new phenylpropenoids, (R,E)-1-[4-(3-hydroxyprop-1-enyl)phenoxy]-3-methylbutane-2,3-diol (1) and 4-hydroxy-3-(3-methyl-2-butenyl)cinnamyl alcohol (2), two new bis(1-phenylethyl)phenols, 2,6-bis(1-phenylethyl)phenol (3) and 2,4-bis(1-phenylethyl)phenol (4), and a new bisquinolinone alkaloid, 18-demethylparaensidimerin C (5), together with 17 known compounds have been isolated from the stem wood of Zanthoxylum integrifoliolum. The structures of these new compounds were determined through spectral analyses including extensive 2D nuclear magnetic resonance data. Among the isolates, N-methylflindersine (7), (-)-simulanol (10), and evofolin-C (16) exhibited potent inhibition against N-formylmethionylleucylphenylalanine-induced superoxide production with IC(50) values less than 12 microM.

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Section: Resultsmentioning

confidence: 98%