1,2-Dichloroethane → HCID 59591388, compound

Participants

Reaction Steps

To the mixture of 5-[(ethylamino)sulfonyl]-2-fluorobenzoic acid (24.7 mg, 0.1 mmol), prepared according to Scheme 4, and above crude 5-(1-methyl-1-phenylethyl)-1,3,4-thiadiazol-2-amine (21.9 mg, 0.1 mmol) in 2.0 mL of mixed solvents (DCM:DMF=10:1) was added EDC (19.2 mg, 0.1 mmol) and HOAt (13.6 mg, 0.1 mmol). The resultant mixture was stirred at room temperature for overnight, and then concentrated in vacuo. The residue was purified by using a Gilson preparative HPLC system with a Waters Xterra (C-18) column 100 mm by 50 mm ID, eluting with 10% B to 90% B in 10 min, where A=H2O and B=CH3CN pumped at 150 mL/min to yield 5-[(ethylamino)sulfonyl]-2-fluoro-N-[5-(1-methyl-1-phenylethyl)-1,3,4-thiadiazol-2-yl]benzamide (7.0 mg).

Provenance & Evidence