Large n.m.r. isotope shifts for the 13C resonance at the cation centre of the 2-methyl-2-norbornyl cation
Abstract
N.m.r. signals for the cationic centre of all of the ten possible singly deuteriated positional isotopomers of 2-methyl-2-norbornyl cation have been observed with chemical shifts varying by 3 p.p.m.