NMR Characterization of 7-oxo-aporphine Alkaloids

Chinese Journal of Magnetic Resonance ›› 2009, Vol. 26 ›› Issue (3): 400-407.

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NMR Characterization of 7-oxo-aporphine Alkaloids

LI Ning; ZHANG Peng; LIANG Dong; XIAO Wan; LI Xian

1.School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China; 2.School of Pharmacy, Zhejiang University, Hangzhou 310058, China

Received:2008-11-14 Revised:2009-01-15 Online:2009-09-05 Published:2010-01-04
Contact: LI Ning

Abstract

Abstract: Aporphine alkaloids found in plants have good antihypertensive and antibacterial activities. In this study, three 7-oxo-aporphine alkaloids were isolated from Liriodendron Chinese and characterized by ¹H and ¹³C NMR and 2D NMR techniques (including ¹H-¹H COSY, HSQC, HMBC and NOESY). The chemical shifts of the three compounds were assigned. Assignment mistakes found in the literature were corrected.

Key words: NMR, assignment, 2D NMR, 7-oxo-aporphine alkaloids, literature correction

CLC Number:

O641

LI Ning; ZHANG Peng; LIANG Dong; XIAO Wan; LI Xian. NMR Characterization of 7-oxo-aporphine Alkaloids[J]. Chinese Journal of Magnetic Resonance, 2009, 26(3): 400-407.

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NMR Characterization of 7-oxo-aporphine Alkaloids

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