ARYNIC SPECIES; EFFECT OF SUBSTITUENTS ON THE REACTIVITY OF MONOSUBSTITUTED DEHYDROBENZENES
Evidence is presented demonstrating the existence of free dehydrobenzenes in the thermal decomposition of diaryliodonium-2-carboxylates, and that o-benzyne itself and its 4-methyl-, 4-chloro-, 4-bromo- and 4-nitro-derivatives are generated from insoluble polymer-bound precursors and trapped by a second solid phase in Diels-Alder reactions.Lifetimes for these elusive species are determined.
Gavina, F.,Luis, S. V.,Costero, A. M.
p. 155 - 166
(2007/10/02)
GENERATION OF MONOSUBSTITUTED o-BENZYNES FROM POLYMERIC REAGENTS VIA HETEROLYTIC FRAGMENTATIONS
Generation of four 4-substituted o-benzynes by heterolytic fragmentation reactions is demonstrated.
Gavina, F.,Luis, S.V.,Gil, P.,Costero, A.M.
p. 779 - 782
(2007/10/02)
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