Author:
Caddy B,Martin-Smith M,Norris RK,Reid ST,Sternhell S
Abstract
N.m.r. data for 19
5-substituted and 13 polysubstituted benzo[b]thiophens are tabulated. The influence
of the substituents at C5 on the chemical shifts of H4 and H6 is discussed.
Long-range interproton spin-spin coupling between H3
and H7, and between H2 and H6, is general in benzo[b]thiophens. The vicinal
coupling J6,7 in 5-substituted benzo[b]thiophens varies directly and
linearly with the electronegativity of the
substituents at C5.
Cited by
37 articles.
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