Abstract The chiral 2-amino-4H-chromene derivatives were obtained from 2-alkyl-substituted phenol derivatives in moderate to high yields with excellent enantioselectivities through one-pot cascade via C–H oxidation/Michael addition/ring closure sequences using a binaphthyl-modified organocatalyst with low catalyst loading (1.25 mol%).
摘要 手性 2-
氨基-4 H-色烯衍
生物由 2-烷基取代的
苯酚衍
生物通过一锅级联通过 C-H 氧化/迈克尔加成/使用联
萘的闭环序列以中等至高产率获得,具有优异的对映选择性。具有低催化剂负载量(1.25 mol%)的改性有机催化剂。