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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2374942Generated: October 31, 2026

2-(3-Bromophenyl)ethan-1-ol → 2-[3-({5-Methyl-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazin-2-yl}amino)phenyl]ethanol

https://huagongshe.com/reaction/2374942

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(3-Bromophenyl)ethan-1-olHCID 2734090—
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—
Product2-[3-({5-Methyl-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazin-2-yl}amino)phenyl]ethanolHCID 1138440353.8%

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-(3-bromophenyl)ethanol (0.012 mL, 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 2-[3-({5-methyl-7-[3-(trifluoromethyl)phenyl]imidazo[5,1-f][1,2,4]triazin-2-yl}amino)phenyl]ethanol (0.020 g) as a yellow solid. 1H NMR (Acetone-d6): δ9.13 (s, 1H), 8.91 (d, J=7.9 Hz, 1H), 8.85 (s, 1H), 8.74 (bs, 1H), 7.89-7.75 (m, 3H), 7.76 (s, 1H), 7.33 (dd, J=7.8, 7.8 Hz, 1H), 7.22 (s, 1H), 7.00 (d, J=7.7 Hz, 1H), 3.81 (t, J=7.0 Hz, 2H), 2.87 (t, J=7.0 Hz, 2H), 2.57 (s, 3H). m/z 414 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07462614B2
Source datasetuspto-grants-2008_12
ORD IDord-0df8cd73d9f44b8aa82b38fb76153c93
Source noteuspto-grants-2008_12