Tetrabutylammonium Fluoride → N-(4-Chloro-3-(3-(4-((2-chloro-4-(trifluoromethyl)phenyl)ethynyl)-2-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)benzyl)cyclopropanecarboxamide

Participants

Reaction Steps

The title compound was prepared according to the procedure described in Example-3 by using N-(4-chloro-3-(3-(2-fluoro-4-iodophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)benzyl)cyclopropanecarboxamide (Intermediate-48, 0.060 g, 0.117 mmol), 2-chloro-1-ethynyl-4-(trifluoromethyl)benzene (Intermediate-25, 0.037 g, 0.175 mmol), TBAF (0.073 g, 0.234 mmol), bis(triphenylphosphine)palladium(II) chloride (catalytic) and DMSO (1.0 mL) at 80° C. to afford 0.030 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 0.66-0.69 (m, 4H), 1.60 (m, 1H), 4.33 (d, J=6.0 Hz, 2H), 7.40 (d, J=8.4 Hz, 1H), 7.48 (s, 1H), 7.62-7.64 (m, 2H), 7.73 (d, J=11.4 Hz, 1H), 7.82 (d, J=7.8 Hz, 1H), 7.92-7.97 (m, 2H), 8.09 (s, 1H), 8.69 (m, 1H), 12.00 (br s, 1H); MS (m/z): 589.14 (M+).

Provenance & Evidence