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Eupomatenoids from Caryodaphnosis tonkinensis and their complete NMR assignment
Author(s) -
Himmelreich Uwe,
Ripperger Helmut,
Adam Günter,
Anh Nguyen Hoang,
van Sung Tran
Publication year - 1995
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.1260330409
Subject(s) - chemistry , carbon 13 nmr , two dimensional nuclear magnetic resonance spectroscopy , chemical shift , spectral line , stereochemistry , proton nmr , physics , astronomy
Eupomatenoids 3–6 and 13 were isolated from Caryodaphnosis tonkinensis and their 1 H and 13 C NMR spectra were assigned using 1D and 2D NMR techniques. Different assignment strategies are presented for the 1 H and 13 C chemical shifts. 1D NOE difference spectra, 1D APT, HMQC, HMBC, H,H‐COSY‐90 and delayed H,H‐COSY‐45 were used.