In a one-pot synthesis at room temperature the N-methylpyridazinium ion (1) dimerizes stereospecifically and with 100 % conversion in a series of OH -catalyzed processes to give a new tetraazafluorene (2). Four of the individual steps can be identified directly and monitored by H NMR spectroscopy.
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A New Tetracycle from Dimerization of the N-Methylpyridazinium Ion in Aqueous Solution.
Angew Chem Int Ed Engl
May 1998
Chemistry Department, University of Otago, PO Box 56, Dunedin, New Zealand, Fax: (+64) 3-4797-906.
In a one-pot synthesis at room temperature the N-methylpyridazinium ion (1) dimerizes stereospecifically and with 100 % conversion in a series of OH -catalyzed processes to give a new tetraazafluorene (2). Four of the individual steps can be identified directly and monitored by H NMR spectroscopy.
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