Triethylamine → N-[(3-{1-[(cyclopropylmethyl)amino]-4-hydroxy-2-oxo-1,2-dihydroquinolin-3-yl}-1,1-dioxido-4H-thieno[2,3-e][1,2,4]thiadiazin-7-yl)methyl]propane-2-sulfonamide

Participants

Reaction Conditions

Reaction Steps

To a solution of the product of Example 353E (16.2 mg, 0.036 mmol) in N,N-dimethylformamide (0.4 mL) was added triethylamine (0.011 mL, 0.079 mmol). The mixture was cooled to 0° C. and isopropyl sulfonyl chloride was added (0.0043 mL, 0.038 mmol). The mixture was warmed to 23° C. and stirred for 3 hours. Additional isopropyl sulfonyl chloride (0.006 mL, 0.055 mmol) was added and the reaction mixture was stirred at 23° C. for 15 hours. The reaction mixture was stirred at 50° C. for 2 hours. Additional triethylamine (0.040 mL, 0.287 mmol) and isopropyl sulfonyl chloride (0.010 mL, 0.091 mmol) were added and the reaction mixture was stirred at 50° C. for 2 hours. The reaction mixture was cooled to 25° C. and concentrated under reduced pressure. The residue was purified by reverse phase chromatography, eluting with a gradient of 10% acetonitrile/0.1% trifluoroacetic acid in water to 95% acetonitrile/0.1% trifluoracetic acid in water to give the title compound (6.7 mg, 33%). The sodium salt of the title compound was prepared according to the procedure of Example 1D. 1H NMR (300 MHz, DMSO-d6) δ 0.21 (bs, 2 H) 0.48 (d, 2 H) 0.98 (m, 1 H) 1.24 (d, J=6.99 Hz, 6 H) 3.19 (m, 1 H) 4.25 (s, 2 H) 5.85 (t, 1 H) 6.76 (s, 1 H) 6.92 (t, 1 H) 7.34 (m, 2 H) 7.57 (d, 1 H) 7.96 (d, 1 H).

Provenance & Evidence