Tetrabutylammonium Fluoride → N-(4-Chloro-3-(3-(4-((2,5-dichlorophenyl)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, 0.10 mmol), 1,4-dichloro-2-ethynylbenzene (Intermediate-23, 0.026 g, 0.15 mmol), TBAF (0.064 g, 0.20 mmol), bis(triphenylphosphine)palladium(II) chloride (0.064 g, 0.20 mmol) and DMSO (3.0 mL) at 80° C. to afford 0.020 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 0.68 (m, 4H), 1.60 (m, 1H), 4.33 (d, J=5.7 Hz, 2H), 7.38 (d, J=7.8 Hz, 1H), 7.47 (s, 1H), 7.57-7.69 (m, 5H), 7.86-7.94 (m, 2H), 8.68 (m, 1H), 12.45 (br s, 1H); MS (m/z): 557.05 (M+H+).

Provenance & Evidence