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Mechanism of the Pyrylium/Pyridinium Ring Interconversion. Mild Preparative Conditions for Conversion of Amines into Pyridinium Ions
Author(s) -
Katritzky Alan R.,
Manzo Ruben H.,
Lloyd Jeremy M.,
Patel Ranjan C.
Publication year - 1980
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198003061
Subject(s) - pyridinium , chemistry , ion , ring (chemistry) , mechanism (biology) , photochemistry , medicinal chemistry , organic chemistry , philosophy , epistemology
Successive base and acid catalysis in the transformation of pyrylium (1) into pyridinium ions (2) permits drastic reduction of reaction time (depending upon R) and/or of the temperature.
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