Collect. Czech. Chem. Commun. 1988, 53, 1529-1533
https://doi.org/10.1135/cccc19881529

Synthetic utilization of N-diformylmethylazoles: The preparation of 1-heteryl-4-nitropyrazoles

Vladimír Krála, Mikhail Ivanovich Kanishchevb, Viktor Vladimirovich Semenovb, Zdeněk Arnolda, Svyatoslav Arkadievich Shevelevb and Albert Aleksandrovich Fainzilbergb

a Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, 166 10 Prague 6, Czechoslovakia
b N. D. Zelinsky Institute of Organic Chemistry, Academy of Sciences of the U.S.S.R., Moscow B-334, U.S.S.R.

Abstract

1-Diformylmethyl-4-nitropyrazole serves to show the potential synthetic utilization of N-diformylmethylazoles as suitable synthons for building heterocyclic systems.