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Synthesis, Structure and Aromaticity of Metallapyridinium Complexes
The first rhena-analogues of pyridinium (cyclopropametalla-2-isoquinolinium complexes) are obtained from o-ethynyl benzonitriles. Structural analysis and DFT calculations confirm their aromatic nature. Compared to rhenapyrylium, rhenapyridinium has a slightly stronger Hückel...doi:10.1039/d1dt04096k pmid:35099489 fatcat:twmvp54mdvbkpbnzvkdhxczjky