Electronic Configuration and Reactivity: First Semi-Quantitative Assessment of Relative Reactivities for the 3d Transition Metal Vapors Toward p-Bromotoluene in a Methylcyclohexane Solution | Zendy

JeanClaude Négrel | Zendy; Robert W. Zoellner | Zendy; Michel Cha | Zendy

Open Access

Electronic Configuration and Reactivity: First Semi-Quantitative Assessment of Relative Reactivities for the 3d Transition Metal Vapors Toward p-Bromotoluene in a Methylcyclohexane Solution

Author(s) -

JeanClaude Négrel,

Robert W. Zoellner,

Michel Cha

Publication year - 1990

Publication title -

chimia international journal for chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.387

H-Index - 55

eISSN - 2673-2424

pISSN - 0009-4293

DOI - 10.2533/chimia.1990.59

Subject(s) - methylcyclohexane , reactivity (psychology) , chemistry , substrate (aquarium) , transition metal , metal , coupling (piping) , coupling reaction , chemical physics , photochemistry , materials science , organic chemistry , catalysis , metallurgy , medicine , oceanography , alternative medicine , pathology , geology

A specifically designed metal vapor synthesis apparatus makes possible the semi-quantitative assessment of the reactivities for the elements of the first transition series toward p-bromotoluene kept in a ?118°C solution of methylcyclohexane. In all cases, the two main processes are coupling and reduction of the substrate. The intrinsic reactivity of the substrate displays a behavior highly dependent upon the metal electronic configuration, suggesting a direct importance of the 18e rule in ruling these phenomena. Zn and Mn are the less reactive of the studied metals. In a way reminiscent of Rieke coupling of haloaromatics by metal powders, Ni vapor displays the highest ability in mediating the coupling of the substrate.

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