Journal fur Praktische Chemie (Weinheim) p. 147 - 151 (1999)
Update date:2022-07-29
Topics:
Erian, Ayman W.
Ethyl bromoacetate 4 reacts with nitriles in the presence of activated zinc dust to afford the beta-enaminoesters 7 and 19. Compounds 7 and 19 show high reactivity towards a variety of reagents to give polyfunctional heterocyclic compounds. For example, the enaminoesters 7 and 19 react with benzaldehyde to give the 1,4 dihydropyridine derivatives 9 and 20, respectively. Isothiocyanates 24 (R = Ph, OEt) added to 19 to furnish pyrimidine-thiones 26 and 27 respectively. Structures and conceivable mechanisms are discussed. Wiley-VCH Verlag GmbH, 1999.
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