A facile access to 2-methylthio/alkoxy/amino-3-acylimidazo[1, 2-a]pyridines based on cupric chloride promoted oxidative ring closure of alpha-oxoketene N,S-, N,O-, and N,N-acetals.
Barun
O
O
Department of Chemistry, North-Eastern Hill University, Shillong-793003, Meghalaya, India.
Ila
H
H
Junjappa
H
H
Singh
O M
OM
D000080:Acetals / Q000378:metabolism*; D000998:Antiviral Agents / Q000138:chemical synthesis* / Q000737:chemistry; D002384:Catalysis; D003300:Copper / Q000378:metabolism*; D005030:Ethylenes / Q000737:chemistry / Q000378:metabolism*; D007093:Imidazoles / Q000138:chemical synthesis* / Q000737:chemistry; D007659:Ketones / Q000737:chemistry / Q000378:metabolism*; D009682:Magnetic Resonance Spectroscopy; D011725:Pyridines / Q000138:chemical synthesis* / Q000737:chemistry
D000080:Acetals; D000998:Antiviral Agents; D005030:Ethylenes; D007093:Imidazoles; D007659:Ketones; D011725:Pyridines; D003300:Copper; C008223:ketene; C029892:cupric chloride