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Recent synthetic advances have given convenient access to tetrabenzotriazaporphyrins (TBTAPs) functionalised with meso-aryl substituents. In this paper we report the first examples of further functionalization of the meso-sites through Suzuki–Miyaura and copper-free Sonagashira cross-coupling reactions of the meso-(bromophenyl)TBTAPs, demonstrating the breadth of new materials design now possible...
New tetrabenzotriazaporphyrins are reported that are functionalised at the meso-position. The derivatives functionalised with meso-bromophenyl substituents are synthesised using an improved variation on the traditional reaction between phthalonitriles and Grignard reagents. For all other new derivatives, a modern protocol is employed that gives convenient access to these challenging materials by template...
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