Russian Journal of Organic Chemistry p. 744 - 750 (2002)
Update date:2022-08-02
Topics:
Kozhevnikov
Kozhevnikov
Kovalev
Rusinov
Chupakhin
Aleksandrov
The scope of functionalization of 1,2,4-triazines can be considerably extended via successive nucleophilic substitution of hydrogen (S NH) and ipso-substitution. A convenient procedure has been developed for direct cyanation of 1,2,4-triazine 4-oxides with acetone cyanohydrin in the presence of triethylamine. The cyano group in the resulting 5-cyano-1,2,4-triazines is readily replaced by reactions with various aliphatic alcohols and amines.
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