Tetrabutylammonium Fluoride → 3-(4-((2-Chloro-4-(trifluoromethyl)phenyl)ethynyl)-3-methoxyphenyl)-1-(2,6-dichlorophenyl)-1H-1,2,4-triazol-5(4H)-one

HRID 508981Notes

Reaction equation

HRID 508981 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[C:4]([Cl:8])[C:3]=1[N:9]1[C:13](=[O:14])[NH:12][C:11]([C:15]2[CH:20]=[CH:19][C:18](I)=[C:17]([O:22][CH3:23])[CH:16]=2)=[N:10]1.[Cl:24][C:25]1[CH:30]=[C:29]([C:31]([F:34])([F:33])[F:32])[CH:28]=[CH:27][C:26]=1[C:35]#[CH:36].CCCC[N+](CCCC)(CCCC)CCCC.[F-]>Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.CS(C)=O>[Cl:24][C:25]1[CH:30]=[C:29]([C:31]([F:32])([F:33])[F:34])[CH:28]=[CH:27][C:26]=1[C:35]#[C:36][C:18]1[CH:19]=[CH:20][C:15]([C:11]2[NH:12][C:13](=[O:14])[N:9]([C:3]3[C:2]([Cl:1])=[CH:7][CH:6]=[CH:5][C:4]=3[Cl:8])[N:10]=2)=[CH:16][C:17]=1[O:22][CH3:23]

Participants

6

Reactant 3

HCID 2724141Tetrabutylammonium FluorideHCID 636689832-Chloro-1-ethynyl-4-(trifluoromethyl)benzeneHCID 1364923481-(2,6-dichlorophenyl)-3-(4-iodo-3-methoxyphenyl)-1H-1,2,4-triazol-5(4H)-one

Product 1

HCID 1364924283-(4-((2-Chloro-4-(trifluoromethyl)phenyl)ethynyl)-3-methoxyphenyl)-1-(2,6-dichlorophenyl)-1H-1,2,4-triazol-5(4H)-oneYield 24.7%

Reagents, catalysts & solvents 2

HCID 178418476HCID 178418476, compoundCatalystHCID 679Dimethyl SulfoxideSolvent

Procedure

The title compound was prepared according to the procedure described in Example-3 using 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), 2-chloro-1-ethynyl-4-(trifluoromethyl)benzene (Intermediate-25, 0.046 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 0.020 g of the desired product. 1H NMR (300 MHz, DMSO d6): δ 3.95 (s, 3H), 7.50-7.53 (m, 2H), 7.56-7.79 (m, 5H), 7.88 (d, J=8.4 Hz, 1H), 8.05 (s, 1H), 12.04 (s, 1H); MS (m/z): 538.07 (M+).

Workup

  1. customThe title compound was prepared
  2. customat 80° C.

Sources & evidence

ORD record
ord-03afe9fba3db467ab786a151a3f8df4c
Source dataset
uspto-grants-2015_08
Patent number
US09096545B2

Reaction notes

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