(E)-1-Acetoxybuta-1,3-dienes show enhanced endo
selectivity in DielsâAlder reactions with methyl
(E)-3-nitroacrylate compared with
(E)-1-methoxybuta-1,3-dienes and
(E)-1-trimethylsilyloxybuta-1,3-dienes.
(E)-1-Acetoxybuta-1,3-dienes 显示出增强的内切酶
Diels-Alder 与甲基反应的选择性
(E)-
3-硝基丙烯酸酯与
(E)-1-甲氧基丁-1,3-二烯和
(E)-1-三甲基
硅氧基丁-1,3-二烯。