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Terpenes and Terpene Derivatives, XXXI. New Bisabolene Derivatives and a Salsolene Ketone from Artemisia sieberi Bess.
Author(s) -
Weyerstahl Peter,
Schneider Sabina,
Marschall Helga,
Rustaiyan Abdolhossein
Publication year - 1993
Publication title -
liebigs annalen der chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 0170-2041
DOI - 10.1002/jlac.199319930120
Subject(s) - terpene , chemistry , ketone , essential oil , stereochemistry , acetal , broad spectrum , sesquiterpene , organic chemistry , combinatorial chemistry , food science
From the essential oil of Artemisia sieberi growing near Tehran some new bisabolene derivatives could be isolated. The structures of (−)‐dehydro‐1,8‐sesquicineole ( 1 ), ( E )‐dehydro‐1,8‐sesquicineol‐12‐yl acetate ( 4 ), bisabola‐2,11‐dien‐10‐one inner 1,7‐acetal ( 14 ) and salsolene ketone 15 could be established by their 1 H‐ and 13 C‐NMR spectra. Sesquiphellandren‐7‐ol ( 11 ), a trace constituent of the oil, was identified by a comparison of its 1 H‐NMR spectrum with that of sesquiphellandren‐9‐ol (bisacurol).