TY - JOUR
T1 - Tannins and Related Compounds. LXI.1) Isolation and Structures of Novel Bi- and Triflavanoids from the Leaves of Cassia fistula L.
AU - Morimoto, Satoshi
AU - Nonaka, Gen Ichiro
AU - Chen, Rong Fu
AU - Nishioka, Itsuo
PY - 1988/1/1
Y1 - 1988/1/1
N2 - Together with (—)-epiafzelechin (1) and its 3-0-glucoside (4), (—)-epicatechin (2) and procyanidin B-2 (3), seven new biflavanoids (5—7, 9—12) and two triflavanoids (8, 13) have been isolated from the leaves of Cassia fistula L. (Leguminosae). On the basis of chemical and spectroscopic evidence, the structures of 5—8 were established to be proanthocyanidins each having (—)-epiafzelechin unit(s) in the molecule, while 9—13 were shown to consist of (2S)-7, 4’-dihydroxyflavan and (—)-epiafzelechin units.
AB - Together with (—)-epiafzelechin (1) and its 3-0-glucoside (4), (—)-epicatechin (2) and procyanidin B-2 (3), seven new biflavanoids (5—7, 9—12) and two triflavanoids (8, 13) have been isolated from the leaves of Cassia fistula L. (Leguminosae). On the basis of chemical and spectroscopic evidence, the structures of 5—8 were established to be proanthocyanidins each having (—)-epiafzelechin unit(s) in the molecule, while 9—13 were shown to consist of (2S)-7, 4’-dihydroxyflavan and (—)-epiafzelechin units.
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U2 - 10.1248/cpb.36.39
DO - 10.1248/cpb.36.39
M3 - Article
AN - SCOPUS:85010163059
SN - 0009-2363
VL - 36
SP - 39
EP - 47
JO - Chemical and Pharmaceutical Bulletin
JF - Chemical and Pharmaceutical Bulletin
IS - 1
ER -