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Two New Neolignans from the Stems of Syringa pinnatifolia Hemsl . var. alashanensis
Author(s) -
Wang QingHu,
Ao WuLiJi,
Wu Qishishan,
Ying Xin
Publication year - 2012
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.201200118
Subject(s) - chemistry , stereochemistry , traditional medicine , medicine
Two new neolignans, syripinnalignins A and B ( 1 and 2 , resp.), were isolated from the 95% EtOH extract of the stem of Syringa pinnatifolia Hemsl . var. alashanensis. The structures of 1 and 2 were elucidated by spectroscopic methods, including UV, IR, HR‐ESI‐MS, and extensive 1D‐ and 2D‐NMR techniques.