2001 fused pyridine derivatives

fused pyridine derivativesR 0450

19 - 132Efficient Syntheses of Imidazolo[1,2-a]pyridines and -[2,1-a]isoquinolines. — Interestingly, starting from the pyridinium chloride(IIIc) condensation of 2 equivalents of aldehydes takes place and with aldehydesbearing an α-proton enimines like (IX) are formed instead of imidazolopy-ridines. — (KATRITZKY, ALAN R.; QIU, GUOFANG; LONG, QIU-HE; HE,HAI-YING; STEEL, PETER J.; J. Org. Chem. 65 (2000) 26, 9201-9205; Cent.Heterocycl. Comp., Dep. Chem., Univ. Fla., Gainesville, FL 32611, USA; EN)

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