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Ieri-Butylbenzene

Kinetic data are available for the nitration of a series of p-alkylphenyl trimethylammonium ions over a range of acidities in sulphuric acid.70,71 The following table shows how -methyl and p-tert-butyl augment the reactivity of the position ortho to them.70 Comparison with table 9.1 shows how very much more powerfully both the methyl and the tert-butyl group assist substitution into these strongly deactivated cations than they do at the o-positions in toluene and ieri-butylbenzene. Analysis of these results, and comparison with those for chlorination and bromination, shows that even in these highly deactivated cations, as in the nitration of alkylbenzenes ( 9.1.1), the alkyl groups still release electrons in the inductive order.70 In view of the comparisons just... [Pg.185]


See other pages where Ieri-Butylbenzene is mentioned: [Pg.146]    [Pg.512]    [Pg.56]    [Pg.146]    [Pg.512]    [Pg.56]    [Pg.513]    [Pg.513]   
See also in sourсe #XX -- [ Pg.64 ]




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