4.65; H, four.07; N, 3.41. Mp 105 (decomp) N-(3-(4-Chlorophenyl)-3-oxoprop-1-ynyl)-N-phenyl-
four.65; H, four.07; N, 3.41. Mp 105 (decomp) N-(3-(4-Chlorophenyl)-3-oxoprop-1-ynyl)-N-phenyl-4-tolylsulfonamide, 4. The reaction with 4-chlorobenzoyl chloride (31.4 mg, 0.18 mmol) plus the ynamide (32.five mg, 0.12 mmol) was performed at 30…