反応 #87797

反応方程式

N-(4-chloro-2-fluoro-3-(4,5-dihydro-3-(4-iodophenyl)-5-oxo-1,2,4-triazol-1-yl)benzyl)pivalamide

ethynylcyclopropane

TBAF

→

desired title product

収率 41.0%

N-(4-Chloro-3-(3-(4-(2-cyclopropylethynyl)phenyl)-4,5-dihydro-5-oxo-1,2,4-triazol-1-yl)-2-fluorobenzyl)pivalamide

収率 41.0%

溶媒

DMSO

反応条件

後処理

1. 1
   その他The title compound was prepared

実験手順

The title compound was prepared according to the procedure described in Example-111 by using N-(4-chloro-2-fluoro-3-(4,5-dihydro-3-(4-iodophenyl)-5-oxo-1,2,4-triazol-1-yl)benzyl)pivalamide (Intermediate-68, 0.050 g, 0.094 mmol), ethynylcyclopropane (0.009 g, 0.142 mmol), TBAF (0.074 g, 0.283 mmol), bis(triphenylphosphine)palladium(11) chloride (0.003 g, 0.003 mmol) and DMSO (3.0 mL) to afford 0.018 g of the desired title product. 1H NMR (400 MHz, DMSO d6): δ 0.75 (m, 2H), 0.77-0.91 (m, 2H), 1.36 (s, 9H), 1.53-1.59 (m, 2H), 7.38 (t, J=5.9 Hz, 1H), 7.46-7.52 (m, 3H), 8.79 (d, J=4.4 Hz, 2H), 8.19 (t, J=4.3 Hz, 1H); MS (m/z): 467.15 (M+H)+.

出典