Tetrahedron Letters,Vol.25,No.l3,pp 1411-1414,1984 0040-4039/84 $3.00 + .OO Printed in Great Britain ... HAMMETT INVESTIGATION OF IODIDE-ION-INDUCED DEOXYGENATIVE REDUCTION OF 2-ARYL'SULPHONYL-3-ARYLOXAZIRIDINES IN METHANOL-WATER (50% v/v). ... AC KNIPE*, 1. E. McAULEY, Y. KHANDELWAL and VK KANSAL School of Physical Sciences, The New University of Ulster, Coleraine, Northern Ireland. ... The Hammett substituent ...