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ethyl 1-tert-butyl-5-chloro-1H-pyrazole-4-carboxylate synthesis

2synthesis methods
-

Yield:112779-13-2 88%

Reaction Conditions:

with hydrogenchloride;nitrosylchloride in chloroform; for 0.5 h;Ambient temperature;

References:

Beck, James R.;Lynch, Michael P. [Journal of Heterocyclic Chemistry,1987,vol. 24,p. 693 - 695]