1-Bromo-2,4-dimethoxybenzene → HCID 11235726, compound

HRID 2374952Notes

Reaction equation

HRID 2374952 reaction equation
[CH3:1][C:2]1[N:3]=[C:4]([C:12]2[CH:17]=[CH:16][CH:15]=[C:14]([C:18]([F:21])([F:20])[F:19])[CH:13]=2)[N:5]2[C:10]=1[CH:9]=[N:8][C:7]([NH2:11])=[N:6]2.Br[C:23]1[CH:28]=[CH:27][C:26]([O:29][CH3:30])=[CH:25][C:24]=1[O:31][CH3:32].C(P(C(C)(C)C)C1C=CC=CC=1C1C=CC=CC=1)(C)(C)C.CC([O-])(C)C.[Na+]>O1CCOCC1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[CH3:30][O:29][C:26]1[CH:25]=[C:24]([O:31][CH3:32])[CH:23]=[CH:28][C:27]=1[NH:11][C:7]1[N:8]=[CH:9][C:10]2=[C:2]([CH3:1])[N:3]=[C:4]([C:12]3[CH:17]=[CH:16][CH:15]=[C:14]([C:18]([F:21])([F:19])[F:20])[CH:13]=3)[N:5]2[N:6]=1

Participants

7

Reactant 4

HCID 872661-Bromo-2,4-dimethoxybenzeneHCID 27342152-(Di-tert-butylphosphino)biphenylHCID 23676156Sodium t-butoxideHCID 587120012-Amino-5-methyl-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazin2×

Product 1

HCID 11235726HCID 11235726, compoundYield 46.6%

Reagents, catalysts & solvents 2

HCID 9811564Bis(dibenzylideneacetone)palladiumCatalystHCID 312751,4-DioxaneSolvent

Procedure

In a similar manner as described for Example 41, 5-methyl-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazin-2-amine (Intermediate 45) (0.025 g, 0.09 mmol), 1-bromo-2,4-dimethoxybenzene (0.019 g, 0.09 mmol), Pd2(dba)3 (0.008 g, 0.01 mmol), 2-(Di-t-butylphosphino)biphenyl (0.008 g, 0.03 mmol), and NaOtBu (0.011 g, 0.11 mmol) in 1,4-dioxane (1 mL) gave N-(2,4-dimethoxyphenyl)-5-methyl-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazin-2-amine (0.018 g) as a yellow solid. 1H NMR (CDCl3): δ8.95 (s, 1H), 8.82 (s, 1H), 8.61 (d, J=7.3 Hz, 1H), 8.25 (d, J=8.8 Hz, 1H), 7.72-7.59 (m, 2H), 7.45 (s, 1H), 6.61-6.53 (m, 2H), 3.91 (s, 3H), 3.85 (s, 3H), 2.62 (s, 3H). MS m/z 430 (M+1).

Sources & evidence

ORD record
ord-b726d8ec083b4d86a3690267d40cea7a
Source dataset
uspto-grants-2008_12
Patent number
US07462614B2

Reaction notes

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