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On the Stereochemistry of Natural Irones, Dihydroirones, and their Precursors
Author(s) -
Krick Wolfgang,
Marner FranzJosef,
Janicke Lothar
Publication year - 1984
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19840670138
Subject(s) - chemistry , rhizome , enantiomer , stereochemistry , absolute configuration , terpene , botany , biology
Natural irones from the essential oil of Iris rhizomes develop by oxidative degradation of C 31 ‐triterpenoids produced by the plant. Two enantiomeric forms of irones are found in Iris , oils of different origin. The optical properties and CD spectra of irones, dihydroirones and their C 31 ‐precursors are reported and their absolute stereochemistry is determined.