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By Reaction between 1-Imidazoles and Electrophiles

The base-catalyzed chemiluminescence of triphenylimidazole (42, lophine) in the presence of oxygen, first reported by Radziszewski, was later shown [Pg.422]

Wasserman,M.S. Wolff,K.Stiller,I.Saito,and J.E.Pickett, Telrahedroon37,Supp. 1,191 (1981). [Pg.423]

Addition of hydrogen peroxide to the triphenylimidazolyl (lophyl) radical (49), generated from its piezochromic dimer, yields 43 tertiary hydroperoxides likewise give 50 (R = Me, Ph). ° [Pg.424]

Dibenzoyl peroxide adds to 42 in benzene, again via 49, forming 51. The reaction also works with other imidazoles having at least one aryl and up to two alkyl substituents.  [Pg.424]


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