Complete 1H and 13C NMR assignments of clerodane diterpenoids of Salvia splendens

被引：7
作者：
Fontana, Gianfranco
Savona, Giuseppe
Rodriguez, Benjamin
机构：
[1] CSIC, Inst Quim Organ, E-28006 Madrid, Spain
[2] Univ Palermo, Dipartimento Chim Organ E Paterno, I-90128 Palermo, Italy
来源：
MAGNETIC RESONANCE IN CHEMISTRY | 2006年 / 44卷 / 10期
关键词：
NMR; H-1; C-13; diterpenoids; furoclerodanes; conformational analysis; Salvia splendens;
D O I：
10.1002/mrc.1869
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Unambiguous and complete assignments of H-1 and C-13 NMR chemical shifts for five clerodane diterpenes, four of them isolated from Salvia splendens (salviarin, splendidin and splenolides A and B) and one obtained by acetylation of splenolide A, are presented. The assignments are based on 2D shift-correlated [H-1,H-1-COSY, H-1,C-13-gHSQC-(1)J(C,H) and H-1,C-13-gHMBC-(n)J(C,H) (n = 2 and 3)] and nuclear Overhauser effect (NOE) experiments. The conformation of the rings of these compounds is supported by the 31(H,H) values and NOE results. Copyright (c) 2006 John Wiley & Sons, Ltd.
引用
收藏
页码：962 / 965
页数：4
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