Synthesis of pyridone and pyridine rings by [4+2] hetero-cyclocondensation

Tetrahedron Letters

Volumn 45, Issue 52, 2004, Pages 9557-9559

  Robin, Aélig ^a   Julienne, Karine ^a   Meslin, Jean Claude ^a   Deniaud, David ^a  

^a Centre National de la Recherche Scientifique   (France)

Author keywords

Cycloaddition; Heterocycles; Pyridine; Pyridone

Indexed keywords

1,3 BUTADIENE; AZABUTADIENE; CHEMICAL COMPOUND; DIPYRONE; PYRIDINE; SODIUM CHLORIDE; UNCLASSIFIED DRUG;

ARTICLE; CHEMICAL PROCEDURES; CHEMICAL STRUCTURE; CYCLOADDITION; DEAMINATION; DIELS ALDER REACTION; HETEROCYCLOCONDENSATION; PRECURSOR; REACTION ANALYSIS; STRUCTURE ANALYSIS; SYNTHESIS; TECHNIQUE;

EID: 9644262706     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2004.10.142     Document Type: Article

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22. 2 under Ar atmosphere was added TFA at 0°C. The solution was stirred at room temperature for 4 h and concentrated in vacuo. The residue was purified by chromatography on silica to give compound 7