prepared using Schiff's bases derived from aromatic aldehydes and amines or α-aminoesters. These complexes are versatile catalyst for the reaction between aliphatic aldehydes and various alkenes. The outcome of the reaction is controlled by the electronic nature of the alkene as the electron deficient alkenes undergo oxidative addition of aldehydes followed by dioxygen incorporation to yield 2-hydr
A Convenient Method for the Preparation of Methyl<i>trans</i>-4-Oxo-2-alkenoates
作者:O. G. Kulinkovich、I. G. Tischenko、J. N. Romashin、L. N. Savitskaya
DOI:10.1055/s-1986-31640
日期:——
Methyl trans-4-oxo-2-alkenoates are synthesized in 64-93% yields by successive treatment of 5-substituted 2,2-dimethoxy-2,3-dihydrofurans with N-bromosuccinimide in aqueous acetone and triethylamine in ether.