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Publikováno v:
Chemical Communications. 58:5865-5868
A Lewis acid-catalyzed [4+4] cycloaddition reaction from D–A cyclobutanes and anthranils, providing the corresponding oxa-bridged eight-membered heterocycles under mild conditions.
Publikováno v:
Chemical communications (Cambridge, England). 58(39)
The construction of N-heterocyclic eight-membered rings remains challenging due to unfavorable transannular strain. Herein, we report a Lu(OTf)