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Two New Phenylethanoid Glycosides from Callicarpa longissima
Author(s) -
Yuan JingQuan,
Qiu Li,
Zou LuHui,
Wei Qian,
Miao JianHua,
Yao XinSheng
Publication year - 2015
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.201400206
Subject(s) - phenylethanoid , chemistry , glycoside , stereochemistry , hydrolysis , acid hydrolysis , organic chemistry
Two new phenylethanoid glycosides, longissimosides A and B ( 1 and 2 , resp.), together with eight structurally related known compounds, were isolated from the EtOH extract of leaves and stems of Callicarpa longissima ( Hemsl .) Merr . The structures of 1 and 2 were elucidated as 2‐(3,4‐dihydroxyphenyl)ethyl O ‐( α ‐ L ‐rhamnopyranosyl)‐(1→3)‐ O ‐(2‐ O ‐syringoyl‐ β ‐ D ‐xylopyranosyl)‐(1→6)‐ 4‐ O ‐[( E )‐caffeoyl]‐ β ‐ D ‐glucopyranoside ( 1 ) and 2‐(3‐hydroxy‐4‐methoxyphenyl)ethyl O ‐( α ‐ L ‐rhamnopyranosyl)‐(1→3)‐ O ‐( β ‐ D ‐apiofuranosyl)‐(1→6)‐4‐ O ‐[( E ) ‐ isoferuloyl]‐ β ‐ D ‐glucopyranoside ( 2 ) on the basis of spectroscopic data and acid hydrolysis.