Heterocyclization of vic-substituted hydroxamic acid salts of acetylenyl-pyrazoles

A new procedure for the preparation of pyrazolo[3,4-c]pyridin-7-ones

Sergei F. Vasilevsky, Elena V. Mshvidobadze, José Elguero

Research output: Contribution to journal › Article

9 Citations (Scopus)

Abstract

Procedures for the preparation of 5-substituted pyrazolo[3,4-c]pyridin-7-ones and 5-substituted 6-hydroxypyrazolo[3,4-c]pyridin-7-ones have been developed based on heterocyclization of vic-acetylenylpyrazolylhydroxamic acids under the influence of copper(I) salts in dimethylformamide or with organic bases in butanol or methanol.

Original languageEnglish
Pages (from-to)2255-2260
Number of pages6
JournalHeterocycles
Volume57
Issue number12
Publication statusPublished - 1 Dec 2002
Externally publishedYes

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Pyrazoles
Hydroxamic Acids
Dimethylformamide
Butanols
Methanol
Copper
Salts
Acids

ASJC Scopus subject areas

  • Analytical Chemistry
  • Pharmacology
  • Organic Chemistry

Cite this

Heterocyclization of vic-substituted hydroxamic acid salts of acetylenyl-pyrazoles : A new procedure for the preparation of pyrazolo[3,4-c]pyridin-7-ones. / Vasilevsky, Sergei F.; Mshvidobadze, Elena V.; Elguero, José.

In: Heterocycles, Vol. 57, No. 12, 01.12.2002, p. 2255-2260.

Research output: Contribution to journal › Article

Vasilevsky, SF, Mshvidobadze, EV & Elguero, J 2002, 'Heterocyclization of vic-substituted hydroxamic acid salts of acetylenyl-pyrazoles: A new procedure for the preparation of pyrazolo[3,4-c]pyridin-7-ones', Heterocycles, vol. 57, no. 12, pp. 2255-2260.
Vasilevsky SF, Mshvidobadze EV, Elguero J. Heterocyclization of vic-substituted hydroxamic acid salts of acetylenyl-pyrazoles: A new procedure for the preparation of pyrazolo[3,4-c]pyridin-7-ones. Heterocycles. 2002 Dec 1;57(12):2255-2260.
Vasilevsky, Sergei F. ; Mshvidobadze, Elena V. ; Elguero, José. / Heterocyclization of vic-substituted hydroxamic acid salts of acetylenyl-pyrazoles : A new procedure for the preparation of pyrazolo[3,4-c]pyridin-7-ones. In: Heterocycles. 2002 ; Vol. 57, No. 12. pp. 2255-2260.
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