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New C 19 ‐Diterpenoid Alkaloids from the Roots of Delphinium Giraldii
Author(s) -
Zhou XianLi,
Chen QiaoHong,
Chen DongLin,
Wang FengPeng
Publication year - 2003
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.20030210730
Subject(s) - chemistry , terpenoid , delphinium , stereochemistry , botany , biology
Three new C 19 ‐diterpenoid alkaloids, giraldines A (1), B (3) and C (4), were isolated from the roots of Delphinium giraldii Diels, together with three known C 19 ‐diterpenoid alkaloids, dihydrogadesine (5), tatsiensine (6) and siwanine A (7), as well as their structures were elucidated by chemical evidence and spectral analyses, including m, MS, 1D NMR and 2D NMR.