An improved and scalable synthesis of the unsubstituted 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene framework facilitates access to the previously unreported parent dipyrrin HCl salt, as well as 4,4-dichloro-4-bora-3a,4a-diaza-s-indacene.
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Synthesis and characterisation of the unsubstituted dipyrrin and 4,4-dichloro-4-bora-3a,4a-diaza-s-indacene: improved synthesis and functionalisation of the simplest BODIPY framework
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a
Department of Chemistry, Dalhousie University, PO BOX 15000, Halifax, Canada
E-mail: Alison.Thompson@dal.ca ;
Fax: +1 902-494-1310 ;
Tel: +1 902-494-6421
E-mail: Alison.Thompson@dal.ca ;
Fax: +1 902-494-1310 ;
Tel: +1 902-494-6421
b
Department of Chemistry & Physics, Mount Saint Vincent University, Halifax, Canada
Chem. Commun., 2013,49, 816-818
DOI: 10.1039/C2CC37480C
Received 13 Oct 2012, Accepted 14 Nov 2012
First published online 13 Dec 2012
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