91%) with excellent diastereoselectivity (>20:1 dr) was developed. The inexpensive FeCl2·4H2O works as catalyst, and easily prepared peresters (or peroxides) from aliphatic acids act as alkylating reagents and single electron oxidants. This environmentally friendly reaction proceeds via an FeCl2-catalyzed alkyl radical cascade addition/cyclization fashion.
开发了一种简单且统一的方法,以中等至高收率(高达91%)合成具有非对映选择性(> 20:1 dr)的烷基化二氢
喹啉酮和
吡咯并[1,2- a ]
吲哚衍
生物。廉价的FeCl 2 ·4H 2 O用作催化剂,由
脂肪酸容易制得的过酸酯(或过氧化物)用作烷基化试剂和单电子氧化剂。该环境友好的反应通过FeCl 2催化的烷基自由基级联加成/环化方式进行。