Sodium Carbonate → HCID 67125573, compound

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A solution of 3-(2-cyanopropan-2-yl)-N-(3-(2-mercaptoacetyl)-4-methylphenyl)benzamide 115 (0.094 mmol, 33 mg), 3-chloropyrazine-2-carbonitrile (0.094 mmol, 13 mg) and sodium carbonate (0.112 mmol, 12 mg) in ethanol (1 mL) was stirred 2 h at 50° C. Quenched in 1N HCl solution and extracted with CH2Cl2. Organic layer was dried and evaporated. Purification by HPLC gave N-(3-(7-aminothieno[2,3-b]pyrazine-6-carbonyl)-4-methylphenyl)-3-(2-cyanopropan-2-yl)benzamide 116 (9 mg, 21%). NMR (400 MHz, DMSO-d6) 1.74 (s, 6H), 2.27 (s, 3H), 7.37 (d, J=8.6 Hz, 1H), 7.60 (t, J=7.8 Hz, 1H), 7.76 (d, J=7.8 Hz, 1H), 7.81 (dd, J=8.2 Hz and 2.3 Hz), 7.95 (m, 2H), 8.04 (m, 3H), 8.82 (s, 2H), 10.44 (s, 1H). (m/z)=457 (M+H)+.

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