Direct C–H borylation of vinylporphyrins via copper catalysisстатьяИсследовательская статья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 16 марта 2022 г.
Аннотация:A method of direct borylation of vinyl-substituted porphyrinoids (porphyrins and chlorins) has been developed based on the copper catalyzed vinylic C–H activation. Ni(II) complexes of meso- and β-vinylporphyrinoids have been transformed to the corresponding pinacolboronated derivatives with good yields and high (E)-stereoselectivity. The method provides an easy and direct access to the valuable synthons which were shown to act as nucleophylic partners in the Suzuki cross-coupling building tetrapyrrole derivatives with π-conjugation through the carbon–carbon double bond.