1,2-Dichloroethane → HCID 57678532, compound

Participants

Reaction Steps

4-(3-Amino-4-hydroxy-phenoxy)-pyridine-2-carboxylic acid (4-pyrrolidin-1-yl-butyl)-amide (Example 253, Step E, 145 mg, 0.4 mmol, 1.0 eq.) was dissolved in CH3CN/DMF (2/1, v/v, 15 ml) and 1-chloro-4-isothiocyanato-2-trifluoromethyl-benzene (as described in preparation III, 93 mg, 0.4 mmol, 1.0 eq.) as a CH3CN solution was added drop-wise. The reaction was stirred at RT for 16 h. EDC (75 mg, 0.4 mmol, 1.0 eq.) was added and the reaction was heated to 80° C. for 2 h. The mixture was concentrated and the crude product was purified by column chromatography (0-10% MeOH/CH2Cl2/1% NH4OH) to yield 4-[2-(4-chloro-3-trifluoromethyl-phenylamino)-benzoxazol-5-yloxy]-pyridine-2-carboxylic acid (4-pyrrolidin-1-yl-butyl)-amide. MS m/z=574.2 (M+H)+ Calc'd for C28H27ClF3N5O3: 573.18.

Provenance & Evidence