Three-component condensation of 5-aminopyrazole derivatives with isatins and Meldrum’s acid. Synthesis of 1,7-dihydrospiro[pyrazolo[3,4-b]-pyridine-4,3′-indole]-2′,6(1′H,5H)-diones

Three-component condensation of 5-aminopyrazole derivatives with isatins and Meldrum’s acid. Synthesis of 1,7-dihydrospiro[pyrazolo[3,4-b]-pyridine-4,3′-indole]-2′,6(1′H,5H)-diones Full article

Journal

Russian Chemical Bulletin
ISSN: 1573-9171 , E-ISSN: 1066-5285

Output data

Year: 2009, Volume: 58, Number: 7, Pages: 1504-1508 Pages count : 5 DOI: 10.1007/s11172-009-0202-4

Authors

Lichitsky B.V. ¹ , Komogortsev A.N. ¹ , Dudinov A.A. ¹ , Krayushkin M.M. ¹

Affiliations

1	N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation

A new method for the synthesis of hitherto unknown substituted 1,7-dihydrospiro-[pyrazolo[3,4-b]pyridine-4,3′-indole]-2′,6(1′H,5H)-diones based on three-component condensation of 5-aminopyrazoles with Meldrum’s acid and isatins is developed.

Lichitsky B.V. , Komogortsev A.N. , Dudinov A.A. , Krayushkin M.M.
Three-component condensation of 5-aminopyrazole derivatives with isatins and Meldrum’s acid. Synthesis of 1,7-dihydrospiro[pyrazolo[3,4-b]-pyridine-4,3′-indole]-2′,6(1′H,5H)-diones
Russian Chemical Bulletin. 2009. V.58. N7. P.1504-1508. DOI: 10.1007/s11172-009-0202-4 WOS Scopus OpenAlex

Web of science:	WOS:000278121700026
Scopus:	2-s2.0-77955724809
OpenAlex:	W2063096620

DB	Citing
OpenAlex	11
Scopus	13
Web of science	15