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Examines isomerization and C(sp2)–H functionalization in diaryl derivatives, indicating significant potential for synthetic applications.
Selective E / Z isomerization of diaryl oxime derivatives, in which the two isomers have similar geometric and electronic characteristics, was achieved using photosensitizers with appropriate triplet energies. We found that suitable substituents can modulate conjugation in methoximes, thereby generating a triplet energy gap between the E and Z isomers. In addition, Z ‐isomer‐enriched methoximes enabled site‐selective C(sp 2 )–H functionalization.
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Hirata et al. (2026) studied this question.
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