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We have developed an unprecedented base-promoted oxidative coupling of 2-hydroxy-1,4-naphthoquinones with (Z)-2-ylideneimidazo[1,2-a]pyridin-3(2H)-ones, which provide a convenient approach to access novel naphtho[2,3-b]furan-4,9-dione derivatives with a 2-aminopyridine moiety in acceptable yields under mild reaction conditions. These naphtho[2,3-b]furan-4,9-dione derivatives in ethanol showed the...
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