Zirconium catalysed enantioselective hydroamination/cyclisationElectronic Supplementary Information (ESI) available: experimental details and characterising data for complexes and substrates, catalytic protocol, determination of ee, crystal data for [ZrL2Cl2]. See http://www.rsc.org/suppdata/cc/b4/b401493f/

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Abstract
A chiral zirconium alkyl cation catalyses the cyclisation of certain aminoalkenes with enantioselectivity up to 82%, the highest thus far observed for such a process.