Preparation of 6-chloropyrazolo[3,4-b]pyridine-5-carbaldehydes by Vilsmeier-Haack reaction and its use in the synthesis of heterocyclic chalcones and dipyrazolopyridines

Tetrahedron Letters

Volumn 51, Issue 21, 2010, Pages 2928-2930

  Quiroga, Jairo ^a   Diaz, Yurina ^a   Insuasty, Braulio ^a   Abonia, Rodrigo ^a   Nogueras, Manuel ^b   Cobo, Justo ^b  

^a UNIVERSIDAD DEL VALLE   (Colombia)

^b UNIVERSITY OF JAÉN   (Spain)

Author keywords

Chalcones; Dipyrazolo 3,4 b:4 ,3 e pyridine; Formylation; Pyrazolo 3,4 b pyridine; Vilsmeier Haack reaction

Indexed keywords

6 CHLOROPYRAZOLO[3,4 B]PYRIDINE 5 CARBALDEHYDE; ACETOPHENONE; CARBON; CHALCONE DERIVATIVE; HYDRAZINE; PYRAZOLO[3,4 B]PYRIDINE DERIVATIVE; UNCLASSIFIED DRUG;

ARTICLE; CHEMICAL BOND; CLAISEN CONDENSATION; DRUG STRUCTURE; DRUG SYNTHESIS; MASS SPECTROMETRY; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; VILSMEIER HAACK REACTION;

EID: 77950937030     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2010.03.117     Document Type: Article

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