Bulletin of the Chemical Society of Japan p. 1366 - 1371 (1980)
Update date:2022-08-05
Topics:
Irie
Watanabe
Aldol condensations of aldehydes with ketones catalyzed by the first-row transition metal(II) complexes have been widely studied. Complexes of Co(II), Ni(II), Cu(II), and Zn(II) acetates with 2,2 prime -bypyridine were effective catalysts to afford cross-aldol condensation products, alpha , beta ,-unsaturated ketones, in high yields without any self-condensation products. The reaction of 2-butanone, unsymmetrical aliphatic ketone, with benzaldehyde took place regioselectively to give base-catalyzed-type products.
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