Eupomatenoids from Caryodaphnosis tonkinensis and their complete NMR assignment
Himmelreich, Uwe Ripperger, Helmut × Adam, Günter Anh, Nguyen Hoang Sung, Tran Van #
Magnetic resonance in chemistry vol:33 issue:4 pages:280-282
Eupomatenoids 3-6 and 13 were isolated from Caryodaphnosis tonkinensis and their H-1 and C-13 NMR spectra were assigned using 1D and 2D NMR techniques. Different assignment strategies are presented for the H-1 and C-13 chemical shifts. 1D NOE difference spectra, 1D APT, HMQC, HMBC, H,H-COSY-90 and delayed H,H-COSY-45 were used.