Carbomethoxymethylenetriphenylar reacts with ethyl 2-acetyl-3-arylacrylates to afford 2-carbomethoxy-3-aryl-4-carboethoxy-5-methyl-2, 3-dihydrofuran via Michael addition in high to excellent yields with high stereosel...Carbomethoxymethylenetriphenylar reacts with ethyl 2-acetyl-3-arylacrylates to afford 2-carbomethoxy-3-aryl-4-carboethoxy-5-methyl-2, 3-dihydrofuran via Michael addition in high to excellent yields with high stereoselectivity.展开更多
文摘Carbomethoxymethylenetriphenylar reacts with ethyl 2-acetyl-3-arylacrylates to afford 2-carbomethoxy-3-aryl-4-carboethoxy-5-methyl-2, 3-dihydrofuran via Michael addition in high to excellent yields with high stereoselectivity.