Structure assignment of natural quinic a
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G. F. Pauli; F. Poetsch; A. Nahrstedt
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Article
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1998
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John Wiley and Sons
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English
β 361 KB
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The proton nuclear magnetic resonances (NMR) of seven naturally occurring hydroxycinnamoylquinic acids were analysed in order to obtain full sets of shift values and spin-spin coupling constants, as well as information about solution conformation. Based on this study, specific rules for proton subst