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inquiry2-BROMO-5-(TRIFLUOROMETHOXY)PYRIDINEAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
laboratory Application:Synthetic building block
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inquiry2-chloro-5-(trifluoromethoxy)pyridine
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
With trimethylsilyl bromide In propiononitrile for 24h; Reflux; | 81% |
With trimethylsilyl bromide In propiononitrile at 100℃; for 72h; | 81% |
6-bromo-pyridin-3-ol
tetrachloromethane
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
Stage #1: 6-bromo-pyridin-3-ol; tetrachloromethane With antimony pentafluoride at 150℃; for 8h; Stage #2: With potassium hydroxide In water | 2.9% |
6-bromopyridin-3-ylboronic acid
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: dihydrogen peroxide; acetic acid / tetrahydrofuran / 0 - 20 °C 2: antimony pentafluoride / 8 h / 150 °C View Scheme |
2-bromo-5-(trifluoromethoxy)pyridine
trifluoroacetic anhydride
Conditions | Yield |
---|---|
With dihydrogen peroxide In dichloromethane; water at 0℃; for 18h; | 100% |
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In water; N,N-dimethyl-formamide at 120℃; for 0.5h; Suzuki Coupling; Inert atmosphere; Microwave irradiation; | 93% |
2-bromo-5-(trifluoromethoxy)pyridine
Ethyl bromodifluoroacetate
Conditions | Yield |
---|---|
With copper In dimethyl sulfoxide at 80℃; | 62% |
2-bromo-5-(trifluoromethoxy)pyridine
carbon dioxide
Conditions | Yield |
---|---|
Stage #1: 2-bromo-5-(trifluoromethoxy)pyridine With n-butyllithium In hexane; toluene at -100 - -78℃; Stage #2: carbon dioxide In hexane; toluene Stage #3: With hydrogenchloride In water pH=4; | 60% |
Stage #1: 2-bromo-5-(trifluoromethoxy)pyridine With n-butyllithium In hexane; toluene at -78℃; for 2h; Stage #2: carbon dioxide In hexane; toluene Stage #3: With hydrogenchloride In hexane; water; toluene pH=4; | 60% |
2-bromo-5-(trifluoromethoxy)pyridine
ethyl (2E)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)acrylate
Conditions | Yield |
---|---|
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate In 1,2-dimethoxyethane; water at 110℃; for 0.5h; Microwave irradiation; Sealed tube; Inert atmosphere; | 56% |
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate In 1,2-dimethoxyethane; water at 110℃; for 0.5h; Microwave irradiation; | 56% |
3-bromo-1H-1,2,4-triazole
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
With copper(l) iodide; caesium carbonate In N,N-dimethyl-formamide at 100℃; for 1h; Inert atmosphere; Microwave irradiation; | 31% |
With copper(l) iodide; caesium carbonate In N,N-dimethyl-formamide at 100℃; for 1h; Sealed tube; Microwave irradiation; | 31% |
2-bromo-5-(trifluoromethoxy)pyridine
methyl 5-chloro-2-hydroxybenzoate
Conditions | Yield |
---|---|
With 2-Picolinic acid; potassium phosphate; copper(l) iodide In dimethyl sulfoxide at 80℃; for 19h; Inert atmosphere; | 31% |
2-bromo-5-(trifluoromethoxy)pyridine
1-t-Butoxycarbonylpiperazine
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; sodium t-butanolate In toluene at 80℃; for 16h; | 28% |
Conditions | Yield |
---|---|
With 15-crown-5; sodium hydride In N,N-dimethyl-formamide; mineral oil at 80℃; for 16h; | 19% |
5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)oxazole
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; sodium carbonate In tetrahydrofuran for 16h; Suzuki Coupling; Reflux; | 5.1% |
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; sodium t-butanolate In toluene at 140℃; for 17h; Inert atmosphere; |
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; sodium t-butanolate In toluene at 110℃; for 17h; Sealed tube; Inert atmosphere; |
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); potassium tert-butylate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl In toluene at 120℃; for 0.25h; Inert atmosphere; |
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; sodium t-butanolate In toluene at 120℃; for 17h; Inert atmosphere; |
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: copper / dimethyl sulfoxide / 80 °C 2: sodium tetrahydroborate; ethanol / 0.5 h / 20 °C View Scheme |
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: copper / dimethyl sulfoxide / 80 °C 2: sodium tetrahydroborate; ethanol / 0.5 h / 20 °C 3: N-ethyl-N,N-diisopropylamine / diethyl ether / 1 h / 0 - 20 °C / Inert atmosphere View Scheme |
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: copper / dimethyl sulfoxide / 80 °C 2: sodium tetrahydroborate; ethanol / 0.5 h / 20 °C 3: N-ethyl-N,N-diisopropylamine / diethyl ether / 1 h / 0 - 20 °C / Inert atmosphere 4: N-ethyl-N,N-diisopropylamine / dichloromethane; N,N-dimethyl-formamide / 60 °C View Scheme |
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: copper / dimethyl sulfoxide / 80 °C 2: sodium tetrahydroborate; ethanol / 0.5 h / 20 °C 3: N-ethyl-N,N-diisopropylamine / diethyl ether / 1 h / 0 - 20 °C / Inert atmosphere 4: N-ethyl-N,N-diisopropylamine / dichloromethane; N,N-dimethyl-formamide / 60 °C 5: sodium hydroxide / water; tetrahydrofuran / 3 h / 60 °C View Scheme |
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: copper / dimethyl sulfoxide / 80 °C 2: sodium tetrahydroborate; ethanol / 0.5 h / 20 °C 3: N-ethyl-N,N-diisopropylamine / diethyl ether / 1 h / 0 - 20 °C / Inert atmosphere 4: N-ethyl-N,N-diisopropylamine / dichloromethane; N,N-dimethyl-formamide / 60 °C 5: sodium hydroxide / water; tetrahydrofuran / 3 h / 60 °C 6: hydrogenchloride / methanol / 0.5 h / 20 °C View Scheme |
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; sodium t-butanolate In toluene at 100℃; |
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: dihydrogen peroxide / dichloromethane; water / 18 h / 0 °C 2: triethylamine / acetonitrile / 40 h / 80 °C View Scheme |
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium t-butanolate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; tris-(dibenzylideneacetone)dipalladium(0) / toluene / 16 h / 80 °C 2: hydrogenchloride / water; 1,4-dioxane / 4 h / 20 °C View Scheme |
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: sodium t-butanolate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; tris-(dibenzylideneacetone)dipalladium(0) / toluene / 16 h / 80 °C 2: hydrogenchloride / water; 1,4-dioxane / 4 h / 20 °C 3: triethylamine / dichloromethane / 16 h / 20 °C View Scheme |
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: sodium t-butanolate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; tris-(dibenzylideneacetone)dipalladium(0) / toluene / 16 h / 80 °C 2: hydrogenchloride / water; 1,4-dioxane / 4 h / 20 °C 3: triethylamine / dichloromethane / 16 h / 20 °C 4: hydrogenchloride / water; tetrahydrofuran / 2 h / 20 °C View Scheme |
2-bromo-5-(trifluoromethoxy)pyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: caesium carbonate; copper(l) iodide / N,N-dimethyl-formamide / 1 h / 100 °C / Sealed tube; Microwave irradiation 2: potassium carbonate; tetrakis(triphenylphosphine) palladium(0) / N,N-dimethyl-formamide; water / 0.5 h / 90 °C / Sealed tube; Microwave irradiation View Scheme |
2-bromo-5-(trifluoromethoxy)pyridine
4,4-difluoroazepane
Conditions | Yield |
---|---|
With [(2-di-cyclohexylphosphino-3,6-dimethoxy-2’,4’,6’-triisopropyl-1,1‘-biphenyl)-2-(2‘-amino-1,1’-biphenyl)]palladium(II) methanesulfonate; sodium t-butanolate In tetrahydrofuran at 60℃; for 12h; Inert atmosphere; | |
With [(2-di-cyclohexylphosphino-3,6-dimethoxy-2’,4’,6’-triisopropyl-1,1‘-biphenyl)-2-(2‘-amino-1,1’-biphenyl)]palladium(II) methanesulfonate; sodium t-butanolate In tetrahydrofuran at 25 - 60℃; for 12h; Inert atmosphere; |
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