scheme1
![Asymmetric [4+2] annulation of <i>N</i>-sulfonyl ketimines: access to <i>N</i>-heterocycles bearing 1,3-nonadjacent stereocenters with a quaternary carbon center](https://image.oaes.cc/22e1aeeb-06a0-4f29-a95f-f5f36830e38f/cs4058.scheme.1.jpg)
Scheme 1. Asymmetric synthesis of N-heterocycles bearing 1,3-nonadjacent stereocenters.
Scheme 1. Asymmetric synthesis of N-heterocycles bearing 1,3-nonadjacent stereocenters.
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