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Pterocarpans from Bituminaria
morisiana and Bituminaria bituminosa.
Pistelli
L, Noccioli
C, Appendino
G, Bianchi
F, Sterner
O, Ballero
M.
Dipartimento di Chimica Bioorganica e Biofarmacia,
56126 Pisa, Italy. luipi@gamma.farm.unipi.it
The aerial parts of
Mediterranean papilionaceous plants Bituminaria morisiana and B.
bituminosa afforded, along with known phenolics, the prenylated
pterocarpans bitucarpin A and B, whose structure was elucidated by
spectroscopic techniques. A known isoflavonoid (8-prenyldaidzein) was
also obtained for the first time as a genuine plant constituent. The
accumulation of pterocarpans at the expense of biogenetically more
primitive shikimate metabolites like furanocoumarins or isoflavonoids
supports the inclusion of this plant, once part of the genus Psoralea,
into the distinct genus Bituminaria.
PMID: 12943781 [PubMed -
indexed for MEDLINE]
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