A new interpretation of the reaction pathway of deprotonative metalation with TMP-Zn-ate/TMEDA Complex [TMEDA.Na(micro-tBu)(micro-TMP)Zn(tBu) |
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Authors: | Nobuto Daisuke Uchiyama Masanobu |
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Affiliation: | Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033, Japan. |
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Abstract: | Density functional theory (DFT) calculations of possible reaction pathways and mechanisms for the deprotonation of benzene with Mulvey's reagent, TMEDA.Na(micro-R)(micro-TMP)Zn(R) (TMEDA=N,N,N',N'-tetramethylethylenediamine, R = alkyl, TMP = 2,2,6,6-tetramethylpiperidide) indicate that the deprotonation of benzene with Mulvey's reagent proceeds through a stepwise mechanism, not a one-step mechanism. In the first step, deprotonation involving the TMP ligand on the reagent is kinetically more favorable than that involving the alkyl ligand. |
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