Journal of Organometallic Chemistry p. 353 - 358 (1994)
Update date:2022-09-26
Topics:
Miyashita, Akira
Hotta, Masatoshi
Saida, Yoshiko
Facile sp3 C-H bond activation of toluene, p-xylene and mesitylene, was photochemically promoted by trans-Pt(CH2CMe2Et)Br(PPh3)2 leading to trans-Pt(CH2Ar)Br(PPh3)2 quantitatively, while regioselective sp3 C-H bond cleavage at the benzylic position of ethylbenzene and cumene readily took place to yield styrene and α-methylstyrene, respectively.A possible reaction mechanism involving radical process is discussed on the basis of isotope and radical-trap experiments. Key words: Platinum; Benzyl; Bond activation; Radical; Photochemistry
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