1H and 13C NMR data for six [(E)-1-propenyl]trimethoxybenzene isomers are reported. Spectral assignments were made on the basis of chemical shifts, 1H,1H coupling constants and two-dimensional heteronuclear 1H,13C correlation techniques (HETCOR, COLOC).
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Siergiejczyk et al. (2000) studied this question.