1,3-Dipolar character of six-membered aromatic rings. Part 34. The search for superior 1-substituents to facilitate cycloadditions of 3-oxidopyridinium
Abstract
Cycloaddition products have been prepared from 3-hydroxypyridinium betaines containing N-carbamoyl, N-phenyl-thiomethyl, N-thiadiazoyl, N-benzylideneamino-, and N-4-pyridyl substituents.
 
                



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