Convenient one pot synthesis of 5-unsubs
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Sergei L. Bogza; Anna A. Malienko; Sergei Y U. Sujkov; Igor F. Perepichka; Natal
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Article
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2001
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Journal of Heterocyclic Chemistry
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English
⚖ 39 KB
## Abstract The convenient one pot synthesis of pyrazolo[3,4‐__c__]isoquinolines **1** from 5‐aminopyrazoles **2** and paraformaldehyde in formic or trifluoroacetic acids is described.