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The effective reaction of 2-chloro-3-formylquinoline and acetic acid/sodium acetate under microwave irradiation

V Nadaraj
ST Selvi


Pyrano[2,3-b]quinolin-2-ones have been synthesized efficiently from 2-chloro-3-formylquinolines in a single step by treating
with sodium acetate and acetic acid under microwave irradiation. The structures of the compounds have been established by IR,
NMR and mass spectral data. Unexpectedly, 3-formylquinolin-2(1H)-ones were exclusively formed in very high yields by
changing the molar ratio of acetic acid and sodium acetate in just 1.5 to 2.5 min.

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eISSN: 2141-2839
print ISSN: 2141-2820