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- W2038993852 abstract "Abstract Cobalt(II)-Schiff base complexes [Co II (SB)] catalyzed the oxidation of amines with t-butyl hydroperoxide (TBHP) as the terminal oxidant resulting selectively in dehydrogenation to imines. In the oxidation of substituted N-benzylanilines, the reaction rate was independent of the p-substituent in the benzyl moiety but dependent on the p-substituent in the aniline part with a P value of -1.1 against the σ+ constant. p-Substituted N-t-butyl benzyl amines also undergo the dehydrogenation by the TBHP-Con II (SB) system, where no substituent effect was observed on the reaction rate. Addition of 2,4,6-tri-t-butylphenol, a radical scavenger, to the oxidation system accelerated the reaction unexpectedly. Proposed mechanism involves electron transfer from the nitrogen atom in the substrate to t-butyloxyl or t-butylperoxyl radical generated by the decomposition of t-butylperoxocobalt(III) complex formed in situ ." @default.
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- W2038993852 date "1991-01-01" @default.
- W2038993852 modified "2023-09-27" @default.
- W2038993852 title "Cobalt-Schiff Base Complex Catalyzed Dehydrogenation of Amines with T-Butyl Hydroperoxide" @default.
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- W2038993852 doi "https://doi.org/10.1016/s0167-2991(08)62868-2" @default.
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