Sels de Pyrylium. XVIII. Etude par RMN d
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M. Th. Chenon; S. Sib; M. Simalty
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Article
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1979
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John Wiley and Sons
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English
⚖ 584 KB
Groupe de Recherche no 12, CNRS, 2 rue Henri Dunant, 94320 Thiais, France The C-2-N bond of 2-N,iV-dimethylaminopyrylium cations has a partial a character due to the conjugation of the nitrogen lone-pair with the ring. The values of AG\*, AH\*, ASf parameters related to the corresponding hindered ro