Pyridinium salts
IV. Reduction of 4-(benzazol-2-yl) pyridinium salts with sodium tetrahydroborate in an alkaline medium
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Abstract
The reduction of 4-(benzoxazol-2-yl)- and 4-(benzothiazol-2-yl)-1-methylpyridinium iodides with sodium tetrahydroborate in an alkaline medium forms products of the dimerization of the corresponding 1,2-dihydropyridine derivatives. Under similar conditions, 4-(benzimidazol-2-yl)-1-methylpyridinium iodide gives a 1,2,5,6-tetrahydropyridine derivative.
Keywords
Sodium Organic Chemistry Pyridinium Iodide Similar Condition
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© Plenum Publishing Corporation 1975