Abstract
Cyclic sulfonimidates 3 can be synthesised in enantiomerically pure form from amino alcohols by 1,8-diazabicyclo[5.4.0]undecene-7 (DBU) induced oxidative cyclisation of sulfinamides 1. The very rapid intramolecular reaction of the intermediate sulfonimidoylchlorides 2 allows for complete chirality transfer with overall inversion of configuration at sulfur.
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