Here, we disclose a novel Pd(II)-catalyzed oxidative
Heck reaction
of benzo[b]thiophene 1,1-dioxides with styrenes and
acrylates. This transformation features broad functional group tolerance
and high C2 selectivity. Furthermore, the photoluminescence properties
of C-2 alkenylated products have been characterized, which illustrates
the potential usefulness of our protocol in constructing π-conjugated
fluorescent molecules.
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