Phosphorus, Sulfur, and Silicon, 1989, Vol. 45, pp. 243-248 Reprints available directly from the publisher Photocopying permitted by license only @ 1989 Gordon and Breach Science Publishers, Inc. Printcd in the United Kingdom ... SULFENAMIDES AND SULFINAMIDES V CONJUGATIVE AFFINITY AND pKa VALUES OF ARYL SULFINAMIDES ... VICTOR CLARKE and EDWARD R. COLEt School of Chemistry, The University of New South Wales, PO Box 1 Kensington, ...