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Rapid and Selective Electrophilic Trifluoromethylation of the 4,4-Difluoro-4-bora-3a,4a-diaza- s -indacene (BODIPY) Scaffold

✍ Scribed by Santschi, Nico; Cvengroš, Ján; Matthey, Coraline; Otth, Elisabeth; Antonio Togni, and

Book ID
126603155
Publisher
John Wiley and Sons
Year
2014
Tongue
English
Weight
477 KB
Volume
2014
Category
Article
ISSN
1434-193X

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## Synthesis of 3,5-Diaryl-4,4-difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY r ) Dyes. -Condensation of arylpyrroles (IV), prepared via Suzuki coupling of arylboronic acids (II) to bromo pyrrole (I), gives highly colored dipyrrolemethenes (VI). Finally, addition of BF 3 -etherate leads to format