Cyclopropylacetylene → N-(2,4-Dichloro-5-(3-(4-(2-cyclopropylethynyl)phenyl)-4,5-dihydro-5-oxo-1,2,4-triazol-1-yl)benzyl)pivalamide

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The title compound was prepared according to the procedure described in Example-111 using N-(2,4-dichloro-5-(4,5-dihydro-3-(4-iodophenyl)-5-oxo-1,2,4-triazol-1-yl)benzyl) pivalamide (Intermediate-84, 0.150 g, 0.028 mmol), ethynylcyclopropane (0.038 g, 0.56 mmol), TBAF (0.268 g, 0.85 mmol), bis(triphenylphosphine)palladium(II) chloride (catalytic) and DMSO (3.0 mL) to afford 0.050 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 0.77 (m, 2H), 0.93 (m, 2H), 1.21 (s, 9H), 1.58 (m, 1H), 4.32 (d, J=6.3 Hz, 2H), 7.50-7.53 (m, 3H), 7.82-7.91 (m, 2H), 7.95 (s, 1H), 8.21 (m, 1H)

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