Co-catalyzed stereospecific C-N and C-O bond formation of oxiranes with diaziridines has been accomplished to furnish tetrahydro-[1,3,4]-oxadiazines at room temperature. Optically active oxiranes can be coupled with high optical purities (>96% ee). Stereoselectivity, functional group tolerance, mechanistic studies using DFT, and natural product modification are the important practical features.

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http://dx.doi.org/10.1021/acs.joc.3c00445DOI Listing

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