Tetrahedron Letters p. 6411 - 6414 (2013)
Update date:2022-07-30
Topics: Imidazo[1,2-a]pyridines Cyclization Indolizines Efficient Synthesis Electron deficient alkynes
Sandeep
Padmashali, Basavaraj
Kulkarni, Rashmi S.
Aromatic cycloimmonium ylides underwent smooth cyclization with electron deficient alkynes in presence of anhydrous K2CO3 in DMF solvent at room temperature to afford substituted indolizines. Ylides have also undergone expected cyclization with ethyl cyanoformate to produce imidazo[1,2-a]pyridines. The structures of these newly synthesized compounds have been confirmed by spectroscopic techniques and X-ray diffraction studies.
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