Uptake of benzoic and salicylic acid by soybean cell suspension cultures is diffusion-mediated and exclusively leads to glucose-esters. - Veratric acid is para-demethylated to vanillic acid which is conjugated to a monoglucoside. - Nitrobenzoic acids are scarcely taken up by cell cultures with glucose-esters as sole products. - Ring-labelled derivatives of vanillylalcohol and creosol are mainly polymerized to insoluble structures, ring cleavage reactions could not be observed.
Part of these studies were presented at the Annual Meeting of the Gesellschaft fur Arznei-rying ratios [4, 131. Type and extent of pflanzenforschung, Miinster 1978 (see Planta. seem On plant rnedica 33, 302 [1978]). species and chemical strucmre of the Abbreviations: N A A = a-naphthylacetic acid, acid involved. IAA = 8-indoleacetic acid, 234 D = 2,4-Plant cell svspension cultures are suidichlorophenoxyacetic acid; 'H-NMR = proton nuclear magnetic resonance spectroscopy, table experimental systems to elucidate DMSO-d, = hexadeuteratcd dirnethylsulfoxide, bxic aspects of reactions rn = multiplett, d = doublett, sh = shoulder. in ~l a n t s [lo-131. In continuation of
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