Electrocyclic Ring-Opening of 6,6-Dichlorobicyclo[3.1.0]-hexanes and Trapping of the Resulting -Allyl Cations by C-1 Tethered Hydroxyamine Derivatives: Formation of 2-Oxa-1-azaspiro[4.5]decan-3-ones

Mikusek, JiriWard, JasBanwell, Martin2020-09-170004-9425http://hdl.handle.net/1885/210583The C-1 substituted 6,6-dichlorobicyclo[3.1.0]hexanes 1a–c have been prepared and shown to undergo electrocyclic ringopening to give the corresponding p-allyl cations 2 that cyclise to afford the spirocyclic products 3b–d, each of which has been subjected to single-crystal X-ray analysis.The authors thank the Australian Research Council and the Institute of Advanced Studies for financial support.application/pdfen-AU© CSIRO 2019Electrocyclic Ring-Opening of 6,6-Dichlorobicyclo[3.1.0]-hexanes and Trapping of the Resulting -Allyl Cations by C-1 Tethered Hydroxyamine Derivatives: Formation of 2-Oxa-1-azaspiro[4.5]decan-3-ones201910.1071/CH190102022-07-31