N,N-Dimethyl-1,3-propanediamine → HCID 22021869, compound

Participants

Reaction Steps

4-(6-Fluoro-3-oxothiochromeno[4,3-c]pyrazol-2(3H)-yl)benzoic acid (41 mg, 0.12 mmol) was dissolved in anhydrous dimethyl-acetamide(1 ml). Diisopropyl-ethyl amine (46 mg, 0.36 mmol, 62 μl) was added followed by [(benzotriazol-1-yloxy)-dimethylamino-methylene]-dimethyl-ammonium hexafluoro phosphate (65 mg, 0.17 mmol) and 3-dimethylaminopropylamine (12 mg, 0.12 mmol). The mixture was stirred at room temperature overnight and purified by preparative HPLC. The title compound was isolated as a brown solid. LCMS: m/z 425 [M+H]+.

Provenance & Evidence