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Die Abspaltung des Triphenylmethylrestes aus dem 2,3,4‐Tri‐O‐benzoyltrityl‐β‐D‐ galaktopyranosid (I) zu (II) wird mit heißer Essigsäure vorgenommen.

The electron transfer reactions of the superoxide ion with benzoquinone, trimethylbenzoquinone, and menadione in dimethylformamide were studied. A procedure of the determination of the relative rate constants of these reactions was developed; the reaction ofO; with butyl bromide was chosen as a standard one. The relative rate constants measured at ZO,", 35", and 5OoC were slightly dependent on the quinone structure.The relationship between the free energy AF* of the electron transfer reactions and the standard free energy AFO was discussed. This relationship is proposed as AF* = aAFo + B,where the proportionality coefficient a is equal to 0.04-0.1 1 for exothermal reactions and to 0.90-0.96 for endothermal reactions.