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- Title
Boron(III) Carbazosubphthalocyanines: Core‐Expanded Antiaromatic Boron(III) Subphthalocyanine Analogues.
- Authors
Chan, Joseph Y. M.; Kawata, Takahiro; Kobayashi, Nagao; Ng, Dennis K. P.
- Abstract
Condensation of 1,8‐diamino‐3,6‐dichlorocarbazole with a series of disubstituted 1,3‐diiminoisoindolines, followed by treatment with BF3⋅OEt2 led to the formation of the corresponding core‐expanded boron(III) subphthalocyanine analogues. These air‐stable π‐conjugated boron(III) carbazosubphthalocyanines possess two boron‐containing seven‐membered‐ring units and a 16 π‐electron skeleton, and represent the first examples of antiaromatic boron(III) subphthalocyanine analogues as supported by spectroscopic and theoretical studies. The molecular structure of one of these compounds was unambiguously determined by single‐crystal X‐ray diffraction analysis. In contrast to typical boron(III) subphthalocyanines, which adopt a cone‐shaped structure, the π skeleton of this compound is almost planar.
- Subjects
BORON; ANTIAROMATICITY; ELECTRONS; CARBAZOLE; SINGLE crystals
- Publication
Angewandte Chemie, 2019, Vol 131, Issue 8, p2294
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201811420