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The reaction of 5,10,15‐trimesitylcorrole (H3cor) with tungsten hexachloride and tungsten hexacarbonyl resulted in the unexpected formation of the 3,17‐dichloro‐5,10,15‐trimesitylcorrole radical (H2cor*) as an air‐stable product. X‐ray crystallography proved the planarization of the corrole radical structure, which was rationalized by the reduced steric hindrance of two versus three hydrogen atoms...
“Was sehen Sie?” “Ich sehe ein Corrol‐Radikal!” Ein Versuch zur Synthese sterisch geschützter Wolframcorrole führte unerwartet zur ersten radikalischen freien Corrolbase. M. Bröring et al. berichten in ihrer Zuschrift auf S. 8331 ff. über ein luftstabiles, leicht handhabbares offenschaliges 17π (4n+1)‐Porphyrinoid mit einem SOMO, das in seiner Symmetrie einem Rorschach‐Bild ähnelt. Der beobachtete...
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