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Reassignment of the Configuration of Several Keto‐cyclolignans Prepared from Podophyllotoxin
Author(s) -
Miguel del Corral José María,
Gordaliza Marina,
López JoséLuis,
Olmo Esther Del,
Angeles Castro M.,
Luisa López M.
Publication year - 1995
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.19950780713
Subject(s) - podophyllotoxin , chemistry , ketone , carbonyl group , stereochemistry , lactone , group (periodic table) , absolute configuration , catalysis , walden inversion , organic chemistry
The configuration of several keto‐cyclolignans related to podophyllotoxin has been reviewed. Under basic catalysis, the configuration at the C‐atom in α‐position to the lactone carbonyl group in podophyllotoxone is inverted instead of the C‐atom in α‐position to the ketone group, as it has been reported.