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New taxoids from Taxus baccata L.
Author(s) -
Barboni Luciano,
Gariboldi Pierluigi,
Appendino Giovanni,
Enriù Renata,
Gabetta Bruno,
Bombardelli Ezio
Publication year - 1995
Publication title -
liebigs annalen
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 0947-3440
DOI - 10.1002/jlac.199519950243
Subject(s) - chemistry , stereochemistry , taxus , nmr spectra database , organic chemistry , combinatorial chemistry , spectral line , botany , physics , astronomy , biology
A side‐cut of the industrial purification of an extract of yew needles afforded eight new taxoids, including two derivatives of taxine A, the 7‐O‐acetyl‐ (2) and the 2‐deacetyl‐ (3) derivatives. The new structures were established by spectroscopic methods, and some unusual features of the 1 H‐NMR spectra of taxine A and its derivatives are discussed.