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由新型联苯手性骨架(R)-(+)-2-氨基-2′-羟基-6,6′-二甲基-1,1′-联苯la,(R)-(+)-2-氨基-2′-羟基-4,4′,6,6′-四甲基-1,1′-联苯1b与不同取代基的水杨醛反应合成了9个新型席夫碱配体2a-2i,化合物的结构用核磁共振以及高分辨质谱进行表征.其中(R)-(+)-2-氨基-2′-羟基-6,6′-二甲基-1,1′-联苯和3,5-二溴水杨醛衍生得到的席夫碱配体2g与Ti(O′Pr)+生成的配合物催化不对称2-甲氧基丙烯与对硝基苯甲醛的Hetero-ene反应,在-10℃反应3h时获得了最高为79%ee的反应产物
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- 01/01/2005
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- 'Science China Press., Co. Ltd.'
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- 18/09/2018
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- 01/01/2008
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- 'Science China Press., Co. Ltd.'
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