... spectruni which was consistent only with a 1-propenesulfonamide : an ABX3 system5 similar to that worked out by Fessenden and Waugh.6 The chemistry of the ... (19) K. 8. Wiberg, "Laboratory Technique in Organic Chemiatry." WIcGraw ... (20) W. W. Binkley and EF Degering, J. Am ...