4.3 Article

Formation of Grignard Reagent-like Complex [CH3-M-I]- via Oxidative Addition of CH3I on Coinage Metal Anions M- (M = Cu, Ag, Au) in the Gas Phase

Journal

CHEMISTRY LETTERS
Volume 46, Issue 5, Pages 676-679

Publisher

CHEMICAL SOC JAPAN
DOI: 10.1246/cl.170108

Keywords

Coinage metal complex; Ion-molecular reaction; Photoelectron spectroscopy

Funding

  1. Elements Strategy Initiative for Catalysts & Batteries (ESICB)
  2. Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan [26248003]
  3. Institute for Quantum Chemical Exploration (IQCE)
  4. IQCE Research Fellowship for Young Scientists
  5. Grants-in-Aid for Scientific Research [26248003] Funding Source: KAKEN

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Gas-phase reactions of coinage metal anions M- (M = Cu, Ag, Au) with methyl iodide (CH3I) yielded the adduct product MCH3I-. Photoelectron spectroscopy and density functional theory (DFT) calculations revealed a Grignard reagent-like structure [CH3-M-I](-) regardless of M. Global reaction route mapping clarified that [CH3-M-I](-) is formed in a highly exothermic process via S(N)2 attack by M- on CH3I followed by I- migration to M.

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