New Heterocyclization Reactions with Malononitrile Dimer

Kurskova, A. O.; Krivokolysko, B. S.; Dotsenko, V. V.; Aksenov, N. A.; Aksenova, I. V.; Krivokolysko, S. G.

doi:10.1134/s1070363224050104

Russ J Gen Chem

2024

DOI: 10.1134/s1070363224050104

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New Heterocyclization Reactions with Malononitrile Dimer

A. O. Kurskova,

B. S. Krivokolysko,

V. V. Dotsenko

et al.

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2024

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Cited by 1 publication

References 70 publications

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6-(Pyrazol-1-yl)pyrazolo[3,4-b]pyridines: Synthesis, Structure, and Wheat Growth Regulating Activity

Dmitrieva,

Vasilin,

Dotsenko

et al. 2024

Russ J Gen Chem

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4-Methyl-6-pyrazolyl-2-chloronicotinonitriles were synthesized by the reaction of 6-hydrazino-4-methyl-2-chloronicotinonitriles with 1,3-diketones. Upon treatment with hydrazine and methylhydrazine, 4-methyl-6-pyrazolyl-2-chloronicotinonitriles were converted into the corresponding 3-amino-4-methyl-6-pyrazolyl-1H-pyrazolo[3,4-b]pyridines. A similar reaction involving 1,1-dimethylhydrazine and ethylhydrazine was accompanied by elimination of the alkyl substituent and also led to the formation of 3-amino-6-pyrazolyl-1H-pyrazolo[3,4-b]pyridines. Acylation and carbamoylation of the prepared compounds proceeded regioselectively at the amino group. One of the new compounds, N-[6-(3,5-dimethylpyrazol-1-yl)-1,4-dimethyl-1H-pyrazolo[3,4-b]pyridin-3-yl]cyclopropanoylamide, showed a growth-stimulating effect in the field experiments on winter wheat crops.

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6-(Pyrazol-1-yl)pyrazolo[3,4-b]pyridines: Synthesis, Structure, and Wheat Growth Regulating Activity

Dmitrieva,

Vasilin,

Dotsenko

et al. 2024

Russ J Gen Chem

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show abstract

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New Heterocyclization Reactions with Malononitrile Dimer

Cited by 1 publication

References 70 publications

6-(Pyrazol-1-yl)pyrazolo[3,4-b]pyridines: Synthesis, Structure, and Wheat Growth Regulating Activity

6-(Pyrazol-1-yl)pyrazolo[3,4-b]pyridines: Synthesis, Structure, and Wheat Growth Regulating Activity

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