Tetrahedron Letters p. 5204 - 5206 (2013)
Update date:2022-09-26
Topics: Regioselectivity Column chromatography Yield Heterocyclic compounds Catalyst Solvent reflux Recrystallization Nucleophilic substitution Stirring Cyclization TLC (thin-layer chromatography) NMR (nuclear magnetic resonance) Purification Reaction Monitoring Spectroscopic Characterization Reaction Optimization Vacuum filtration Melting Point Determination
Radi, Marco
Bernardo, Vincenzo
Vignaroli, Giulia
Brai, Annalaura
Biava, Mariangela
Schenone, Silvia
Botta, Maurizio
A versatile approach for the synthesis of 1,4-disubstituted pyrazolo[3,4-d]pyrimidines has been developed. Starting from commercially available allopurinol, TBAF mediated N1-functionalization and subsequent C4 nucleophilic substitution, under microwave assisted- or standard heating conditions, granted access to highly functionalized pyrazolo[3,4-d]pyrimidines of potential biological interest.
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