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Relative Stereochemistry and Absolute Configuration of Farinosin, a Eudesmanolide From Encelia farinosa
Author(s) -
Ortega Alfredo R.,
SánchezCastellanos Mariano,
PérezHernández Nury,
RoblesZepeda Ramón E.,
JosephNathan Pedro,
Quijano Leovigildo
Publication year - 2016
Publication title -
chirality
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.43
H-Index - 77
eISSN - 1520-636X
pISSN - 0899-0042
DOI - 10.1002/chir.22595
Subject(s) - chemistry , chirality (physics) , absolute configuration , circular dichroism , vibrational circular dichroism , stereochemistry , solid state , absolute (philosophy) , chiral symmetry , nambu–jona lasinio model , quark , philosophy , physics , epistemology , quantum mechanics
The naturally occurring eudesmanolide farinosin ( 1 ) is now fully characterized for the first time despite its original isolation almost half a century ago. The early assumed relative stereochemistry and absolute configuration were confirmed by vibrational circular dichroism together with evaluation of the Hooft X‐ray parameters. The molecular conformation is very similar in the gas stage and in the solid state. Chirality 28:415–419, 2016 . © 2016 Wiley Periodicals, Inc.