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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2374953Generated: October 30, 2026

Benzene, 2-bromo-1,4-dimethoxy- → HCID 11774714, compound

https://huagongshe.com/reaction/2374953

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzene, 2-bromo-1,4-dimethoxy-HCID 91353—
Reactant2-(Di-tert-butylphosphino)biphenylHCID 2734215—
ReactantSodium t-butoxideHCID 23676156—
Reactant2-Amino-5-methyl-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazinHCID 58712001—
CatalystBis(dibenzylideneacetone)palladiumHCID 9811564—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 11774714HCID 1177471451.8%

Reaction Steps

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), 2-bromo-1,4-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-(2,5-dimethoxyphenyl)-5-methyl-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazin-2-amine (0.020 g) as a yellow solid. 1H NMR (CDCl3): δ8.85 (s, 1H), 8.84-8.80 (m, 1H), 8.66 (s, 1H), 8.05 (d, J=3.0 Hz, 1H), 7.71-7.60 (m, 3H), 6.84 (d, J=8.8 Hz, 1H), 6.55 (dd, J=8.8, 3.0 Hz, 1H), 3.90 (s, 3H), 3.76 (s, 3H), 2.63 (s, 3H). MS m/z 430 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07462614B2
Source datasetuspto-grants-2008_12
ORD IDord-2d2979495fa24586aa5af44e3a23b7fd
Source noteuspto-grants-2008_12