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The pseudo five-component domino reactions of (E)-3-(dimethylamino)-1-arylprop-2-en-1-one, formaldehyde and aniline afford 5-aroyl-1,3-diarylhexahydropyrimidines in good yields under catalyst-free conditions. This transformation involving 4 C–N and 1 C–C bond formations in a one pot operation presumably proceeds via Michael addition–elimination–Mannich type reaction-condensative annulation–reduction...
The four-component domino reactions of (E)-3-(dimethylamino)-1-arylprop-2-en-1-ones with anilines, aromatic aldehydes, and 1,3-cyclohexanediones in an equimolar ratio in acetic acid afforded functionalized tetrahydroquinolones in good yields. This one-pot transformation involves the formation of two C–C and two C–N bonds in a single synthetic operation.
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