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associable to an (octyl)3MeN+Cl−−NO2 adduct of indeterminate
structure that easily loses NO2.
(23) The dependence on O2 is real and not an artifact due to mass
transfer. From O2 solubility in acetonitrile, O2 is in 3−5-fold excess in
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(25) Q′8{α2-Cu(NO2)P2W17O61} and Q′8{α2-Co(NO2)P2W17O61}
were compared in stoichiometric oxidations of 4,4′-dimethoxystilbene,
1,1,2-triphenylethene, and 1,1,2,2-tetraphenylethene. Reaction con-
ditions: 0.078 M substrate, 0.156 M Q′8{α2-M(NO2)P2W17O61} in
DCM/acetone (80/20, vol%), Ar, 295 K, 10 min. For M = Co,
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