Organometallics p. 821 - 823 (1984)
Update date:2022-08-05
Topics:
Fackler Jr., John P.
Murray
Basil, John D.
In addition to establishing the reversible nature of the oxidative addition of RX (R = CH3, CD3; X = Br, I) to [Au(CH2)2PPh2]2, we have observed that [Au(CH2)2PPh2]2 catalyzes halogen exchange between CH3Br and CD3I as well as between [Au(CH2)2PPh2]2Br2 and CH3I in CDCl3. The results of attempted halogen exchange with a variety of alkyl halides suggests that a SN2 process is likely via the formation of [[Au(CH2)2PPh2]2CH3] +I-; thus the dinuclear gold(I) complex effects exchange by ionization of CH3I.
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