One-Pot Asymmetric Synthesis of Seven-Membered Carbocycles Cyclohepta[b]indoles via a Sequential Organocatalytic Michael/Double Friedel–Crafts Alkylation Reaction
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A new method has been developed for the enantioselective synthesis of highly functionalized cyclohepta[b]indoles with high enantioselectivity (up to 96% ee). The process combines an enantioselective organocatalytic Michael addition and a highly efficient double Friedel–Crafts reaction sequence in one pot with good yields and stereoselectivity. The structures and absolute configurations of the products were confirmed by X-ray analysis.
创建时间:
2016-02-19



