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. 2019 Jun 4;7:365. doi: 10.3389/fchem.2019.00365

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Copyright © 2019 Goodman, Mei and Gianetti.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Chromium-stabilized carbocations. (B) Selected stabilizing orbital interactions between Cr(CO)₃ and benzylic cation. (C) Two resonance forms of Chromium-stabilized benzylic cations according to DFT calculation. (D) pK_R⁺ values of different Cr-stabilized benzylic cations.