Synthesis p. 371 - 373 (1992)
Update date:2022-09-26
Topics:
Cocco
Congiu
Maccioni
Onnis
3-Amino-3-(dialkylamino)propenenitriles were reacted with acetylenecarboxylates to give 2(1H)-pyridone derivatives. The reaction with ethyl propynate afforded dienamino ester intermediates which cyclized in sodium ethoxide/ethanol to 5-cyano-2(1H)-pyridon
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