1-chloro-3-ethynyl-2-fluorobenzene

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 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+). The title compound was prepared at 80° C.

Conditions: temp:80.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a solution of 1-(2,6-dichlorophenyl)-3-(4-iodo-3-methoxyphenyl)-1H-1,2,4-triazol-5(4H)-one (Intermediate-45, 0.070 g, 0.15 mmol) in DMSO (3.0 mL) was added 1-chloro-3-ethynyl-2-fluorobenzene (Intermediate-24, 0.035 g, 0.22 mmol), TBAF (0.080 g, 0.30 mmol) and bis(triphenylphosphine)palladium(II) chloride (0.020 g, 0.022 mmol). The reaction mass was stirred at 80° C. for 5-6 h. The reaction mass was quenched in water and extracted with DCM and concentrated. The obtained product was purified with column chromatography on silica gel eluting with 2.0% EA:DCM to afford 0.020 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 3.92 (s, 3H), 7.29 (t, J=8.4 Hz, 1H), 7.48-7.72 (m, 8H), 12-13 (br s, 1H); MS (m/z): 488.00 (M+). The reaction mass was quenched in water extracted with DCM concentrated The obtained product was purified with column chromatography on silica gel eluting with 2.0% EA

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The title compound was prepared according to the procedure described in Example-3 using 3-(2-chloro-6-fluorophenyl)-1-(4-iodo-3-methoxyphenyl)-1H-1,2,4-triazol-5(4H)-one (Intermediate-32, 0.050 g, 0.11 mmol), 1-chloro-3-ethynyl-2-fluorobenzene

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The title compound was prepared according to the procedure described in Example-3 using 3-(2-chloro-6-fluorophenyl)-1-(4-iodo-3-methoxyphenyl)-1H-1,2,4-triazol-5(4H)-one (Intermediate-32, 0.050 g, 0.11 mmol), 1-chloro-3-ethynyl-2-fluorobenzene

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The title compound was prepared according to the procedure described in step-5 and step-6 of Intermediate-2 by using 1-chloro-2-fluoro-3-iodobenzene (1.0 g, 3.9 mmol), ethynyl(trimethyl)silane (0.541 g, 5.5 mmol), copper iodide (0.027 g, 0.14 mmol), bis(triphenylphosphine) palladium(II) chloride (0.050 g, 0.072 mmol), TBAF (catalytic) and DCM to afford 0.500 g of desired product. 1H NMR (300 MHz, DMSO d6): δ 4.66 (s, 1H), 7.25 (t, J=8.4 Hz, 1H), 7.54 (t, J=7.2 Hz, 1H), 7.65 (t, J=7.8 Hz, 1H). The title compound was prepared

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 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+). The title compound was prepared at 80° C.

Conditions: temp:80.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a solution of 1-(2,6-dichlorophenyl)-3-(4-iodo-3-methoxyphenyl)-1H-1,2,4-triazol-5(4H)-one (Intermediate-45, 0.070 g, 0.15 mmol) in DMSO (3.0 mL) was added 1-chloro-3-ethynyl-2-fluorobenzene (Intermediate-24, 0.035 g, 0.22 mmol), TBAF (0.080 g, 0.30 mmol) and bis(triphenylphosphine)palladium(II) chloride (0.020 g, 0.022 mmol). The reaction mass was stirred at 80° C. for 5-6 h. The reaction mass was quenched in water and extracted with DCM and concentrated. The obtained product was purified with column chromatography on silica gel eluting with 2.0% EA:DCM to afford 0.020 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 3.92 (s, 3H), 7.29 (t, J=8.4 Hz, 1H), 7.48-7.72 (m, 8H), 12-13 (br s, 1H); MS (m/z): 488.00 (M+). The reaction mass was quenched in water extracted with DCM concentrated The obtained product was purified with column chromatography on silica gel eluting with 2.0% EA

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The title compound was prepared according to the procedure described in Example-3 using 3-(2-chloro-6-fluorophenyl)-1-(4-iodo-3-methoxyphenyl)-1H-1,2,4-triazol-5(4H)-one (Intermediate-32, 0.050 g, 0.11 mmol), 1-chloro-3-ethynyl-2-fluorobenzene (Intermediate-24, 0.033 g, 0.22 mmol), TBAF (0.080 g, 0.30 mmol), bis(triphenylphosphine)palladium(II) chloride (0.020 g, 0.022 mmol) and DMSO (3.0 ml) at 80° C. to afford 0.015 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 3.89 (s, 3H), 7.28 (t, J=7.8 Hz, 1H), 7.48 (t, J=9.0 Hz, 1H), 7.56-7.70 (m, 7H), 12.79 (m, 1H); MS (m/z): 470.00 (M−H)−. The title compound was prepared at 80° C.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The title compound was prepared according to the procedure described in step-5 and step-6 of Intermediate-2 by using 1-chloro-2-fluoro-3-iodobenzene (1.0 g, 3.9 mmol), ethynyl(trimethyl)silane (0.541 g, 5.5 mmol), copper iodide (0.027 g, 0.14 mmol), bis(triphenylphosphine) palladium(II) chloride (0.050 g, 0.072 mmol), TBAF (catalytic) and DCM to afford 0.500 g of desired product. 1H NMR (300 MHz, DMSO d6): δ 4.66 (s, 1H), 7.25 (t, J=8.4 Hz, 1H), 7.54 (t, J=7.2 Hz, 1H), 7.65 (t, J=7.8 Hz, 1H). The title compound was prepared

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 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+). The title compound was prepared at 80° C.

Conditions: temp:80.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a solution of 1-(2,6-dichlorophenyl)-3-(4-iodo-3-methoxyphenyl)-1H-1,2,4-triazol-5(4H)-one (Intermediate-45, 0.070 g, 0.15 mmol) in DMSO (3.0 mL) was added 1-chloro-3-ethynyl-2-fluorobenzene (Intermediate-24, 0.035 g, 0.22 mmol), TBAF (0.080 g, 0.30 mmol) and bis(triphenylphosphine)palladium(II) chloride (0.020 g, 0.022 mmol). The reaction mass was stirred at 80° C. for 5-6 h. The reaction mass was quenched in water and extracted with DCM and concentrated. The obtained product was purified with column chromatography on silica gel eluting with 2.0% EA:DCM to afford 0.020 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 3.92 (s, 3H), 7.29 (t, J=8.4 Hz, 1H), 7.48-7.72 (m, 8H), 12-13 (br s, 1H); MS (m/z): 488.00 (M+). The reaction mass was quenched in water extracted with DCM concentrated The obtained product was purified with column chromatography on silica gel eluting with 2.0% EA

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The title compound was prepared according to the procedure described in Example-3 using 3-(2-chloro-6-fluorophenyl)-1-(4-iodo-3-methoxyphenyl)-1H-1,2,4-triazol-5(4H)-one (Intermediate-32, 0.050 g, 0.11 mmol), 1-chloro-3-ethynyl-2-fluorobenzene (Intermediate-24, 0.033 g, 0.22 mmol), TBAF (0.080 g, 0.30 mmol), bis(triphenylphosphine)palladium(II) chloride (0.020 g, 0.022 mmol) and DMSO (3.0 ml) at 80° C. to afford 0.015 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 3.89 (s, 3H), 7.28 (t, J=7.8 Hz, 1H), 7.48 (t, J=9.0 Hz, 1H), 7.56-7.70 (m, 7H), 12.79 (m, 1H); MS (m/z): 470.00 (M−H)−. The title compound was prepared at 80° C.