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Site-selective halogenation on <i>meso</i>-mesityl substituents of 10,20-dimesityl-5,15-diazaporphyrins with an AuX<sub>3</sub>/AgOTf combination
Article de revue   Open Access   Avec comité de lecture

Site-selective halogenation on meso-mesityl substituents of 10,20-dimesityl-5,15-diazaporphyrins with an AuX3/AgOTf combination

Jean-François Longevial, Kazuya Miyagawa et Hiroshi Shinokubo
Dalton Transactions, Vol.49(42), pp.14786 - 14789
2020
DOI: https://doi.org/10.1039/d0dt02727h

Résumé

gold chloride diazaporphyrin
We have developed site-selective bromination on the mesityl substituents of 10,20-dimesityl-5,15-diazaporphyrins. Treatment of 10,20-dimesityl-5,15-diazaporphyrin and its nickel(II) complex with a combination of AuBr3/AgOTf induced selective bromination on the mesityl groups. These brominated products can be employed for late-stage modification of the aryl substituents.

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