반응 #87773

반응 방정식

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

1-chloro-3-ethynyl-2-fluorobenzene

TBAF

→

desired product

수율 57.3%

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

수율 57.3%

용매

DMSO

반응 조건

후처리

1. 1
   기타The title compound was prepared
2. 2
   기타at 80° C.

실험 절차

The title compound was prepared according to the procedure described in Example-3 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, 0.050 g, 0.097 mmol), 1-chloro-3-ethynyl-2-fluorobenzene (Intermediate-24, 0.022 g, 0.14 mmol), TBAF (0.061 g, 0.19 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 0.69 (m, 4H), 1.60 (m, 1H), 4.33 (d, J=5.7 Hz, 2H), 7.30-7.41 (m, 3H), 7.48-7.74 (m, 5H), 7.87-7.93 (m, 1H), 8.69 (m, 1H), 12.40-12.58 (br s, 1H); MS (m/z): 539.36 (M+).

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