centers on N-substituents is reported. [(2S,3S)-2,3-Dihydroxybutane-1,4-bis(3-butylimidazolium)]-[bis(trifluoromethanesulfonyl)amide]2 and [(4S,5S)-2-phenyl-1,3-dioxolane-4,5-bis(1-methylimidazolium)]-[bis(trifluoromethanesulfonyl)amide]2 induced enantioselectivity in the Michael addition of malonic esters to chalcones.
的含有
咪唑核和手性中心的手性
离子液体的合成ñ -取代基被报告。[(2小号,3小号)-2,3- Dihydroxybutane -1,4-双(3-丁基
咪唑)] - [双(三
氟甲磺酰)酰胺] 2和[(4-小号,5小号)-2-苯基-1-
1,3-二氧戊环-4,5-二(1-甲基
咪唑)] - [双(三
氟甲磺酰)酰胺] 2在迈克尔加成
丙二酸酯的
查耳酮向诱导对映选择性。