Benzoyl chloride (32.6 mg, 0.186 mmol) plus the ynamide (32.5 mg, 0.12 mmol) was performed at 30 for 18 h. The concentrated crude residue wasEXPERIMENTAL SECTIONpurified by TGF-beta/Smad Purity & Documentation column chromatography (five:two dichloromethane/hexanes) to give 45 mg (0.11 mmol, 92 ) of a white p38α Purity & Documentation strong. 1H NMR (400 MHz): eight.06 (d, J = 7.6 Hz, 1H), 7.60 (d, J = eight.3 Hz, 2H), 7.45 (d, J = three.six Hz, 2H), 7.45-7.31 (m, 4H), 7.31-7.21 (m, 4H), 2.43 (s, 3H). 13C NMR (one hundred MHz): 175.3, 145.9, 137.1, 135.4, 133.1, 133.0, 132.9, 132.4, 131.4, 129.9, 129.four, 129.2, 128.two, 126.8, 126.5, 91.0, 76.three, 21.7. Anal. Calcd For C22H16ClNO3S: C, 64.47; H, three.93; N, 3.42. Identified: C, 64.65; H, 4.07; N, three.41. Mp 105 (decomp) N-(3-(4-Chlorophenyl)-3-oxoprop-1-ynyl)-N-phenyl-4-tolylsulfonamide, 4. The reaction with 4-chlorobenzoyl chloride (31.four mg, 0.18 mmol) as well as the ynamide (32.five mg, 0.12 mmol) was performed at 30 for 20 h. The concentrated crude residue was purified by column chromatography (2:1 dichloromethane/hexanes) to provide 47 mg (0.115 mmol, 96 ) of a white strong. 1H NMR (400 MHz): eight.09 (d, J = eight.6 Hz, 2H), 7.57 (d, J = 8.4 Hz, 2H), 7.45 (d, J = 8.5 Hz, 2H), 7.39-7.28 (m, 3H), 7.28-7.18 (m, 4H), two.39 (s, 3H). 13C NMR (100 MHz): 175.4, 146.0, 140.two, 137.0, 135.4, 132.9, 130.5, 129.9, 129.5, 129.3, 128.9, 128.1, 126.4, 90.7, 74.7, 21.6. Anal. Calcd For C22H16ClNO3S: C, 64.47; H, three.93; N, 3.42. Located: C, 64.38; H, four.05; N, 3.46. Mp 105-107 . N-(3-(4-Cyanophenyl)-3-oxoprop-1-ynyl)-N-phenyl-4-tolylsulfonamide, 5. The reaction with 4-cyanobenzoyl chloride (30.0 mg, 0.18 mmol) along with the ynamide (32.7 mg, 0.12 mmol) was performed at 30 for 18 h. The concentrated crude residue was purified by column chromatography (3:1 dichloromethane/hexanes) to provide 46.five mg (0.116 mmol, 97 ) of a white strong. 1H NMR (400 MHz): 8.29 (d, J = 8.three Hz, 2H), 7.82 (d, J = eight.1 Hz, 2H), 7.60 (d, J = 8.three Hz, 2H), 7.47-7.34 (m, 3H), 7.29 (d, J = eight.1 Hz, 2H), 7.27-7.23 (m, 2H), 2.43 (s, 3H). 13C NMR (one hundred MHz): 174.8, 146.two, 139.8, 136.eight, 136.7, 132.8, 132.4, 130.0, 129.6, 129.four, 128.1, 126.4, 117.9, 116.eight, 92.3, 75.1, 21.7. Anal. Calcd For C23H16N2O3S: C, 68.98; H, four.03; N, 7.00. Located: C, 68.67; H, four.14; N, six.92. Mp 155 (decomp) N-(3-(2-Naphthyl)-3-oxoprop-1-ynyl)-N-phenyl-4-tolylsulfonamide, 6. The reaction with 2-naphthoyl chloride (35.0 mg, 0.18 mmol as well as the ynamide (32.9 mg, 0.121 mmol) was performed at 30 for 12 h. The concentrated crude residue was purified by column chromatography (1:1 dichloromethane/hexanes) to offer 51.five mg (0.12 mmol, 99 ) of a white strong. 1H NMR (400 MHz): 8.88 (s, 1H), 8.19 (dd, J = eight.six, 1.7 Hz, 1H), 8.06 (d, J = eight.1 Hz, 1H), 7.94 (d, J = eight.7 Hz, 1H), 7.91 (d, J = 8.0 Hz, 1H), 7.65 (d, J = eight.two Hz, 2H), 7.65-7.54 (m, 2H), 7.44-7.34 (m, 3H), 7.35-7.27 (m, 2H), 7.28-7.22 (m, 2H), 2.41 (s, 3H). 13C NMR (100 MHz): 176.8, 145.9, 137.1, 135.9, 134.five, 132.9, 132.6, 132.5, 130.0, 129.9, 129.five, 129.two, 128.8, 128.4, 128.1, 127.eight, 126.8, 126.six, 123.6, 90.two, 75.0, 21.7. Anal. Calcd For C26H19NO3S: C, 73.39; H, 4.50; N, three.29. Located: C, 73.32; H, four.77; N, 3.32. N-(3-(1-Naphthyl)-3-oxoprop-1-ynyl)-N-phenyl-4-tolylsulfonamide, 7. The reaction with 1-naphthoyl chloride (55.0 mg, 0.dx.doi.org/10.1021/jo500365h | J. Org. Chem. 2014, 79, 4167-The Journal of Organic Chemistrymmol) along with the ynamide (54.five mg, 0.20 mmol) was performed at 20 for 38 h. The concentrated crude residue was purified by column chromatography (1:1 dichloromethane/hexanes) to provide 67 mg (0.16 mmol, 79 ) of a colorless oil. 1H N.