Stable carbocations. Part 239. Preparation and carbon-13 and nitrogen-15 NMR spectroscopic study of cyanocarbenium ions. Substituent effects on the extent of mesomeric nitrenium ion character in cyanodiphenylmethyl cations. The search for related stable .alpha.-cyanocarbenium ions
作者:George A. Olah、Massoud Arvanaghi、G. K. Surya Prakash