66226-29-7Relevant academic research and scientific papers
RADIKALISCHE REAKTIONSWEGE BEI THERMISCH INDUZIERTEN UMSETZUNGEN VON ZIRCONOCENKOMPLEXEN
Erker, G.,Rosenfeldt, F.
, p. 1285 - 1292 (2007/10/02)
The formation of products 2, 3 and 4(a-l) from both the reaction of εta2-bezophenone zirconocene 1 with alkyl halides and the thermolysis of the α-(Cp2ZrCl)-substituted benzhydrylmethylether 9, the latter proceeding with anchimeric assistance of the metal, can be understood assuming a stepwise reaction path through radical intermediates.The proposed intermediate transition-metal benzophenone ketyl 12 exhibits a reaction pattern differing from analogous main-group-metal ketyls.
REVERSAL OF THE BENZOPHENONE REACTIVITY UPON η2 -COMPLEXATION TO BIS( η5 -CYCLOPENTADIENYL)ZIRCONIUM
Rosenfeldt, Frank,Erker, Gerhard
, p. 1637 - 1640 (2007/10/02)
Reversal of the carbonyl activity of benzophenone, serving as electron donor in single-electron transfer processes and acting as a proton acceptor through the 'carbonyl'carbon atom, is observed upon η2 -complexation to zirconocene.
Regio- and Stereo-selectivity Correlation of the Wittig Rearrangement
Hebert, Eric,Welvart, Zoltan
, p. 1035 - 1036 (2007/10/02)
The - and -rearrangements of s-octyl benzhydryl ether gave products in equal amounts whose formation occured with 20percent retention of configuration, and with complete racemization, for the - and the -products respectively; these results can be rationalized either by the formation of different non-equilibrating singlet radical pair intermediates, or by an important product formation after diffusion of the intermediate radical pairs.
