反应详情

Combined 6-(4-(4-cyano-2-methylphenyl)-5-hydroxy-1H-pyrazol-1-yl)nicotinic acid (50 mg, 0.156 mmol), N1-((ethylimino)methylene)-N3,N3-dimethylpropane-1,3-diamine hydrochloride (90 mg, 0.468 mmol) and HOBT (21.09 mg, 0.156 mmol) in DMF (0.8 mL) and added N-ethyl-N-isopropylpropan-2-amine (0.056 mL, 0.468 mmol) and (3aR,6aS)-2-methyloctahydropyrrolo[3,4-c]pyrrole (79 mg, 0.624 mmol). After 17 hours, the reaction mixture was diluted with DMSO (100 uL) and purified by preparative HPLC (ACN/water with formic acid) to give the title compound as a 0.63 formic acid salt (60 mg, 0.131 mmol, 84%) as a tan solid. MS: 429 (M+H). 1H NMR (400 MHz, DMSO-d6) δ ppm 2.35 (s, 3 H) 2.48 (s, 3 H) 2.77 (br. s., 2 H) 2.91 (br. s., 4 H) 3.43 (br. s., 2 H) 3.67 (dd, J=11.5, 6.4 Hz, 2H) 7.43-7.49 (m, 1 H) 7.51 (s, 1 H) 7.87 (s, 1 H) 7.94 (dd, J=8.7, 2.4 Hz, 1 H) 8.02 (d, J=8.1 Hz, 1 H) 8.41 (d, J=8.6 Hz, 1 H) 8.49 (d, J=1.8 Hz, 1 H) 11.91 (br. s., 1 H).

1. custompurified by preparative HPLC (ACN/water with formic acid)