Synthesis of ferrocenyl-β-enamino ketones: A search of ferrocenylpyrido[2,3-d]pyrimidines using a Ni(CN)2/NaOH/KCN system as catalytic precursor
摘要:
New ferrocenyl-beta-enamino ketones (1-6), were obtained from 6-amino-1,3-dimethyluracil and several ferrocenyl-alpha-ketoalkynes via MeNH- anion in a monophasic aqueous system containing Ni(CN)(2)/CO/NaOH/H2O/KCN are described. A mechanism for obtaining of beta-enamino ketones is suggested. (C) 2009 Elsevier B.V. All rights reserved.