171776-89-9Relevant articles and documents
Synthesis of tricyclic quinolones and naphthyridones by intramolecular heck cyclization of functionalized electron-rich heterocycles
Beccalli, Egle M.,Broggini, Gianluigi,Martinelli, Michela,Paladino, Giuseppe,Zoni, Caterina
, p. 2091 - 2096 (2007/10/03)
Starting from commercially available pyrrole- and thiophene-2-carboxylic acids 1 or thiophene- and furan-3-carboxylic acids 6, we report the synthesis of tricyclic fused quinolone and naphthyridone derivatives, in only three steps, by an intramolecular He