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Porphyrin–Hexaphenylbenzene Conjugates via Mixed Cyclotrimerization Reactions

2018; American Chemical Society; Volume: 84; Issue: 3 Linguagem: Inglês

10.1021/acs.joc.8b02907

1520-6904

Max Martin, Maximilian Dill, Jens Langer, Norbert Jux,

Organic Chemistry Cycloaddition Reactions

Mixed cyclotrimerization reactions of diarylacetylenes (tolans) were applied to generate a library of multiple porphyrin–hexaphenylbenzene (HPB) architectures. Successful reactions, which could be influenced by the ratio of tolan starting materials, were conducted using dicobaltoctacarbonyl as a catalyst. Separation of the reaction products was performed by chromatographic and crystallization techniques. The physical properties were investigated with respect to the number of porphyrins per HPB and their substitution pattern.