Nonclassical ammonium ions as intermediates in cinchona alkaloid rearrangements?
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DOI: 10.1002/chir.23188
Abstract: The classical/nonclassical nature of cationic ammonium intermediates proposed to be involved in cinchona alkaloid solvolysis and related reactions is investigated. While these intermediates are found to possess highly distorted geometries in which the central nitrogen… read more here.
Keywords: ammonium ions; cinchona alkaloid; nonclassical ammonium; ammonium ... See more keywords