Chemistry of Heterocyclic Compounds p. 1081 - 1083 (1987)
Update date:2022-08-03
Topics:
Perevalov, V. P.
Manaev, Yu. A.
Baryshnenkova, L. I.
Kanep, E. E.
Andreeva, M. A.
Stepanov, B. I.
The rate of nitration of 4-bromo- and 4-chloro-1-metylpyrazoles with nitric acid in various concentrations of sulfuric acid is higher at position 5 than at position 3.
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