4-Tert-Butylaniline → HCID 86588706, compound

Participants

Reaction Steps

A mixture of 3,6-dichloropyridazine-4-carboxylic acid (1.00 g, 5.18 mmol), 4-tert-butylaniline (0.92 ml, 5.60 mmol), TBTU (1.75 g, 5.44 mmol), and DIEA (1.80 ml, 10.4 mmol) in 7.5 ml of anhydrous DMF was stirred at RT under N2 overnight. The mixtrue was diluted with H2O, extracted with EtOAc, and the combined organic portions were washed with brine, dried with Na2SO4, filtered, and condensed. The crude compound was purified by flash column chromatography (hexanes/EtOAc/CH2Cl2, 9:0:1 to 7:2:1), to provide the desired compound as a light yellowish solid. MS (ES+): 423.0 (M+H)+. Calc'd for C21H19ClN6O2—422.87.

Provenance & Evidence