N,N-Dimethyl-1,3-propanediamine → HCID 22021871, compound

Participants

Reaction Steps

4-(3-oxothiochromeno[4,3-c]pyrazol-2(3H)-yl)benzoic acid (55 mg, 0.17 mmol) was suspended in anhydrous dimethyl acetamide (1 ml). Diisopropyl-ethyl amine (46.5 mg, 0.36 mmol, 62μl) was added followed by 3-dimethylaminopropylamine (17.5 mg, 0.17 mmol) and [(benzotriazol-1-yloxy)-dimethylamino-methylene]-dimethyl-ammonium hexafluoro phosphate (65 mg, 0.17 mmol). The mixture was stirred at room temperature for 4 h and was purified by preparative HPLC. The title compound was isolated as a brown solid. LCMS: m/z 407 [M+H]+

Provenance & Evidence