Product Name

  • Name

    2-BROMO-3-FORMYLPYRIDINE

  • EINECS
  • CAS No. 128071-75-0
  • Article Data32
  • CAS DataBase
  • Density 1.683 g/cm3
  • Solubility
  • Melting Point 73 °C
  • Formula C6H4BrNO
  • Boiling Point 267.7 °C at 760 mmHg
  • Molecular Weight 186.008
  • Flash Point 115.7 °C
  • Transport Information
  • Appearance
  • Safety 26-36/37
  • Risk Codes 22-36-43
  • Molecular Structure Molecular Structure of 128071-75-0 (2-BROMO-3-FORMYLPYRIDINE)
  • Hazard Symbols HarmfulXn,IrritantXi
  • Synonyms 2-Bromo-3-pyridinecarboxaldehyde;2-Bromo-3-formylpyridine;2-Bromonicotinaldehyde;
  • PSA 29.96000
  • LogP 1.65660

Synthetic route

2-bromo-pyridine
109-04-6

2-bromo-pyridine

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Stage #1: 2-bromo-pyridine With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 3h;
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran at -78℃; for 1h; Further stages.;
85%
Stage #1: 2-bromo-pyridine With lithium diisopropyl amide In tetrahydrofuran at -50℃; for 1h;
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran for 1h; Temperature; Reagent/catalyst;
78%
Stage #1: 2-bromo-pyridine With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 4h; Inert atmosphere;
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere;
75%
(2-bromopyrid-3-yl)methanol
131747-54-1

(2-bromopyrid-3-yl)methanol

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
With phosphoric acid; dimethyl sulfoxide; dicyclohexyl-carbodiimide for 1.5h; Ambient temperature;83%
With phosphoric acid; dimethyl sulfoxide; dicyclohexyl-carbodiimide at 20℃; for 1.5h;80%
2-bromo-3-(dibromomethyl)-pyridine
865449-15-6

2-bromo-3-(dibromomethyl)-pyridine

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
With calcium carbonate In water for 8h; Heating;83%
With calcium carbonate In water for 14h; Reflux;78%
With water; calcium carbonate at 100℃; for 7h;60%
2-bromo-pyridine
109-04-6

2-bromo-pyridine

formaldehyd
50-00-0

formaldehyd

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
With lithium42%
2-bromo-pyridine
109-04-6

2-bromo-pyridine

formic acid ethyl ester
109-94-4

formic acid ethyl ester

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Stage #1: 2-bromo-pyridine With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 2h;
Stage #2: formic acid ethyl ester In tetrahydrofuran at -78℃; for 1h;
Stage #3: With water; ammonium chloride In tetrahydrofuran at -30℃;
11%
2,6-Dibromopyridine
626-05-1

2,6-Dibromopyridine

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Yield given. Multistep reaction;
2,4-dibromopyridine
58530-53-3

2,4-dibromopyridine

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Yield given. Multistep reaction;
2,5-dibromopyridine
624-28-2

2,5-dibromopyridine

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Yield given. Multistep reaction;
C9H8BrNO4
1036408-89-5

C9H8BrNO4

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.03 g / LiAlH4 / tetrahydrofuran / 0.5 h / -78 °C
2: 80 percent / N,N'-dicyclohexylcarbodiimide; H3PO4; DMSO / 1.5 h / 20 °C
View Scheme
2-bromo-3-picoline
3430-17-9

2-bromo-3-picoline

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 98 percent / KMnO4; H2O / 20 h / Heating
2: Et3N / benzene / 1 h / 20 °C
3: 1.03 g / LiAlH4 / tetrahydrofuran / 0.5 h / -78 °C
4: 80 percent / N,N'-dicyclohexylcarbodiimide; H3PO4; DMSO / 1.5 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: 83 percent / N-bromosuccinimide; benzoylperoxyde / CCl4 / 4 h / Heating
2: 83 percent / CaCO3 / H2O / 8 h / Heating
View Scheme
Multi-step reaction with 3 steps
1: 70 percent / KMnO4 / H2O / Heating
2: 1) NEt3, ethyl chloroformate, 2) LiAlH4 / 1) benzene, rt, 1 h, 2) THF, -78 deg C, 30 min
3: 83 percent / DMSO, N,N'-dicyclohexylcarbodiimide, H3PO4 / 1.5 h / Ambient temperature
View Scheme
Multi-step reaction with 2 steps
1: N-Bromosuccinimide; dibenzoyl peroxide / dichloromethane / 4 h / 80 °C / Inert atmosphere
2: calcium carbonate; water / 7 h / 100 °C
View Scheme
Multi-step reaction with 2 steps
1: N-Bromosuccinimide; dibenzoyl peroxide / tetrachloromethane / 4 h / Reflux
2: calcium carbonate / water / 14 h / Reflux
View Scheme
2-bromonicotinic acid
35905-85-2

2-bromonicotinic acid

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: Et3N / benzene / 1 h / 20 °C
2: 1.03 g / LiAlH4 / tetrahydrofuran / 0.5 h / -78 °C
3: 80 percent / N,N'-dicyclohexylcarbodiimide; H3PO4; DMSO / 1.5 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: 1) NEt3, ethyl chloroformate, 2) LiAlH4 / 1) benzene, rt, 1 h, 2) THF, -78 deg C, 30 min
2: 83 percent / DMSO, N,N'-dicyclohexylcarbodiimide, H3PO4 / 1.5 h / Ambient temperature
View Scheme
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: HBr; Br2 / H2O / 0.83 h / -20 °C
1.2: NaNO2 / H2O / 2.5 h / -20 °C
2.1: 83 percent / N-bromosuccinimide; benzoylperoxyde / CCl4 / 4 h / Heating
3.1: 83 percent / CaCO3 / H2O / 8 h / Heating
View Scheme
Multi-step reaction with 4 steps
1: 88 percent / NaNO2, Br2, 48percent HBr / 5 °C
2: 70 percent / KMnO4 / H2O / Heating
3: 1) NEt3, ethyl chloroformate, 2) LiAlH4 / 1) benzene, rt, 1 h, 2) THF, -78 deg C, 30 min
4: 83 percent / DMSO, N,N'-dicyclohexylcarbodiimide, H3PO4 / 1.5 h / Ambient temperature
View Scheme
2,3-dibromopyridine
13534-89-9

2,3-dibromopyridine

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) t-BuLi, i-Pr2NH, 2.) Br2 / 1.) THF, -60 deg C, 2.) -70 deg C, 4 h
View Scheme
2-bromo-pyridine
109-04-6

2-bromo-pyridine

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
With lithium diisopropyl amide In tetrahydrofuran; water; N,N-dimethyl-formamide
With ammonium chloride; lithium diisopropyl amide In tetrahydrofuran; N-methyl-acetamide
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

2-bromonicotinic acid
35905-85-2

2-bromonicotinic acid

Conditions
ConditionsYield
With potassium permanganate In water Ambient temperature;100%
With potassium permanganate In water for 2h; Ambient temperature;98%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

(2-bromopyrid-3-yl)methanol
131747-54-1

(2-bromopyrid-3-yl)methanol

Conditions
ConditionsYield
With sodium tetrahydroborate; water In tetrahydrofuran at 20℃; for 2h;100%
With methanol; sodium tetrahydroborate at 0 - 25℃; for 2h;90.2%
With sodium tetrahydroborate In methanol at 0 - 20℃; for 1h;69%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

phenylhydrazine
100-63-0

phenylhydrazine

N-(2-bromo-pyridin-3-ylmethylene)-N'-phenyl-hydrazine

N-(2-bromo-pyridin-3-ylmethylene)-N'-phenyl-hydrazine

Conditions
ConditionsYield
In 1-methyl-pyrrolidin-2-one at 160℃; for 0.166667h; microwave irradiation;100%
With acetic acid In ethanol for 2h; Reflux;
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

ethyl acetoacetate
141-97-9

ethyl acetoacetate

malononitrile
109-77-3

malononitrile

ethyl 6-amino-4-(2-bromo-3-pyridyl)-5-cyano-2-methyl-4H-pyran-3-carboxylate

ethyl 6-amino-4-(2-bromo-3-pyridyl)-5-cyano-2-methyl-4H-pyran-3-carboxylate

Conditions
ConditionsYield
Stage #1: 2-bromopyridine-3-carboxaldehyde; malononitrile With piperidine In methanol at 20℃;
Stage #2: ethyl acetoacetate With piperidine In methanol at 20℃; for 0.333333h;
100%
3-methoxyphenylboronic acid
10365-98-7

3-methoxyphenylboronic acid

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

2-(3-methoxyphenyl)nicotinaldehyde
958219-62-0

2-(3-methoxyphenyl)nicotinaldehyde

Conditions
ConditionsYield
tetrakis(triphenylphosphine) palladium(0) In 1,2-dimethoxyethane; water for 17h; Heating / reflux;100%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

4-methoxyphenylacetylen
768-60-5

4-methoxyphenylacetylen

2-(4-methoxyphenylethynyl)pyridine-3-carboxaldehyde
884501-93-3

2-(4-methoxyphenylethynyl)pyridine-3-carboxaldehyde

Conditions
ConditionsYield
With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride at 50℃; for 3h;99%
Stage #1: 2-bromopyridine-3-carboxaldehyde; 4-methoxyphenylacetylen With trans-bis(triphenylphosphine)palladium dichloride; triethylamine at 20℃; for 0.166667h; Sonogashira Cross-Coupling; Inert atmosphere;
Stage #2: With copper(l) iodide at 50℃; for 4h; Sonogashira Cross-Coupling; Inert atmosphere;
61%
With bis(triphenylphosphine)palladium(II) dichloride; triethylamine In acetonitrile for 70h; Sonogashira Cross-Coupling;
Stage #1: 2-bromopyridine-3-carboxaldehyde; 4-methoxyphenylacetylen With trans-bis(triphenylphosphine)palladium dichloride; triethylamine at 20℃; for 0.166667h; Inert atmosphere;
Stage #2: With copper(l) iodide at 50℃; Inert atmosphere;
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

4-methylsulfanylaniline
104-96-1

4-methylsulfanylaniline

C13H11BrN2S

C13H11BrN2S

Conditions
ConditionsYield
With magnesium sulfate In tetrahydrofuran at 100℃; for 0.25h; Microwave irradiation;99%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

2-bromo-3-(diethoxymethyl)pyridine
663170-89-6

2-bromo-3-(diethoxymethyl)pyridine

Conditions
ConditionsYield
With toluene-4-sulfonic acid In ethanol for 6h; Reflux;98%
With ammonium chloride In ethanol for 15h; Heating;
With toluene-4-sulfonic acid In ethanol for 6h; Reflux;
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

1,2-diamino-benzene
95-54-5

1,2-diamino-benzene

2-(2-bromopyridin-3-yl)-1H-benzimidazole
1246929-38-3

2-(2-bromopyridin-3-yl)-1H-benzimidazole

Conditions
ConditionsYield
With ammonium chloride In methanol at 20℃; for 8h;98%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

(S)-2-methylpropane-2-sulfinamide
343338-28-3

(S)-2-methylpropane-2-sulfinamide

(S,E)-N-[(2-bromopyridin-3-yl)methylene]-tert-butanesulfinamide

(S,E)-N-[(2-bromopyridin-3-yl)methylene]-tert-butanesulfinamide

Conditions
ConditionsYield
With titanium(IV) tetraethanolate In tetrahydrofuran at 23℃; for 12h; Inert atmosphere;98%
4-methoxyphenylboronic acid
5720-07-0

4-methoxyphenylboronic acid

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

2-(4-methoxyphenyl)pyridine-3-carbaldehyde
885949-59-7

2-(4-methoxyphenyl)pyridine-3-carbaldehyde

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In ethanol; water; toluene Inert atmosphere; Reflux;98%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Methyltriphenylphosphonium bromide
1779-49-3

Methyltriphenylphosphonium bromide

2-bromo-3-vinylpyridine
932042-98-3

2-bromo-3-vinylpyridine

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; hexane at 0 - 20℃; for 14h; Wittig reaction;97%
Stage #1: Methyltriphenylphosphonium bromide With n-butyllithium In tetrahydrofuran at 0 - 20℃; for 0.5h;
Stage #2: 2-bromopyridine-3-carboxaldehyde In tetrahydrofuran at 0 - 20℃;
89%
Stage #1: Methyltriphenylphosphonium bromide With n-butyllithium In tetrahydrofuran at 0 - 20℃; for 0.5h; Wittig reaction; Inert atmosphere;
Stage #2: 2-bromopyridine-3-carboxaldehyde In tetrahydrofuran at 0 - 20℃; for 72h; Wittig reaction; Inert atmosphere;
89%
Stage #1: Methyltriphenylphosphonium bromide With n-butyllithium In tetrahydrofuran at 0 - 20℃; for 0.5h; Wittig Olefination;
Stage #2: 2-bromopyridine-3-carboxaldehyde In tetrahydrofuran at 0 - 20℃; for 72h; Wittig Olefination;
89%
3-butene-1-amine
2524-49-4

3-butene-1-amine

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

N-[(2-bromopyridin-3-yl)methyl]but-3-en-1-amine

N-[(2-bromopyridin-3-yl)methyl]but-3-en-1-amine

Conditions
ConditionsYield
Stage #1: 3-butene-1-amine; 2-bromopyridine-3-carboxaldehyde With magnesium sulfate In dichloromethane
Stage #2: With sodium tetrahydroborate In methanol
97%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

phenylacetylene
536-74-3

phenylacetylene

2-(2-phenylethynyl)pyridine-3-carbaldehyde
222167-31-9

2-(2-phenylethynyl)pyridine-3-carbaldehyde

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In triethylamine at 50℃; Sonogashira reaction;96%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 50℃; for 5h; Inert atmosphere;94%
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine In tetrahydrofuran at 70℃; Inert atmosphere;93%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

tert-butylamine
75-64-9

tert-butylamine

phenylacetylene
536-74-3

phenylacetylene

N-[(2-phenylethynyl)pyridin-3-ylmethylene]-tert-butylamine

N-[(2-phenylethynyl)pyridin-3-ylmethylene]-tert-butylamine

Conditions
ConditionsYield
Stage #1: 2-bromopyridine-3-carboxaldehyde; phenylacetylene With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In triethylamine at 50℃;
Stage #2: tert-butylamine at 20℃; for 24h; Further stages.;
96%
methylmagnesium bromide
75-16-1

methylmagnesium bromide

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

1-(2′-bromo-3′-pyridyl)ethan-1-ol
84199-57-5

1-(2′-bromo-3′-pyridyl)ethan-1-ol

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 5℃;96%
In diethyl ether; dibutyl ether at -78 - 0℃; Inert atmosphere;87%
Stage #1: methylmagnesium bromide; 2-bromopyridine-3-carboxaldehyde In tetrahydrofuran at -20 - 0℃; for 0.333333h;
Stage #2: With ammonium chloride In tetrahydrofuran; water
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

(trifluoromethyl)trimethylsilane
81290-20-2

(trifluoromethyl)trimethylsilane

1-(2-bromo-3-pyridinyl)-2,2,2-trifluoroethanol
1092459-51-2

1-(2-bromo-3-pyridinyl)-2,2,2-trifluoroethanol

Conditions
ConditionsYield
Stage #1: 2-bromopyridine-3-carboxaldehyde; (trifluoromethyl)trimethylsilane In tetrahydrofuran at -70 - 20℃; for 1h; Cooling with methanol-dry ice;
Stage #2: With tetrabutyl ammonium fluoride In tetrahydrofuran at 20℃; for 2h;
Stage #3: With hydrogenchloride; water In tetrahydrofuran at 20℃; for 1h;
96%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

1-t-Butoxycarbonylpiperazine
57260-71-6

1-t-Butoxycarbonylpiperazine

tert-butyl 4-[(2-bromopyridin-3-yl)methyl]piperazine-1-carboxylate

tert-butyl 4-[(2-bromopyridin-3-yl)methyl]piperazine-1-carboxylate

Conditions
ConditionsYield
With sodium tris(acetoxy)borohydride; acetic acid for 16h;95.99%
n-octyne
629-05-0

n-octyne

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

2-(1-octyn-1-yl)pyridine-3-carboxaldehyde
222167-37-5

2-(1-octyn-1-yl)pyridine-3-carboxaldehyde

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In triethylamine at 50℃; Sonogashira reaction;95%
With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In N,N-dimethyl-formamide for 15h; Ambient temperature;79%
n-octyne
629-05-0

n-octyne

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

tert-butylamine
75-64-9

tert-butylamine

N-[2-(1-octyn-1-yl)pyridin-3-ylmethylene]-tert-butylamine

N-[2-(1-octyn-1-yl)pyridin-3-ylmethylene]-tert-butylamine

Conditions
ConditionsYield
Stage #1: n-octyne; 2-bromopyridine-3-carboxaldehyde With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In triethylamine at 50℃;
Stage #2: tert-butylamine at 20℃; for 24h; Further stages.;
95%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Trimethylenediamine
109-76-2

Trimethylenediamine

2-(2-bromopyridin-3-yl)-1,4,5,6-tetrahydropyrimidine
1202518-92-0

2-(2-bromopyridin-3-yl)-1,4,5,6-tetrahydropyrimidine

Conditions
ConditionsYield
Stage #1: 2-bromopyridine-3-carboxaldehyde; Trimethylenediamine In tert-butyl alcohol at 70℃; for 0.5h;
Stage #2: With iodine; potassium carbonate In tert-butyl alcohol at 70℃; for 3h;
95%
2-vinylbenzeneboronic acid
15016-42-9

2-vinylbenzeneboronic acid

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

3-formyl-2-(2-vinylphenyl)pyridine
1279109-73-7

3-formyl-2-(2-vinylphenyl)pyridine

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In ethanol; toluene at 100℃; for 17h; Suzuki reaction; Inert atmosphere;95%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

2-bromo-3-(difluoromethyl)pyridine

2-bromo-3-(difluoromethyl)pyridine

Conditions
ConditionsYield
With diethylamino-sulfur trifluoride In dichloromethane at 25℃; for 4h;95%
With diethylamino-sulfur trifluoride In dichloromethane at 0 - 20℃; for 12.5h; Inert atmosphere;33.5%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

methylmagnesium chloride
676-58-4

methylmagnesium chloride

1-(2′-bromo-3′-pyridyl)ethan-1-ol
84199-57-5

1-(2′-bromo-3′-pyridyl)ethan-1-ol

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 5℃; for 0.5h;95%
In tetrahydrofuran at 0 - 20℃; Inert atmosphere;
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

tert-butylamine
75-64-9

tert-butylamine

(E)-N-((2-bromopyridin-3-yl)methylene)-2-methylpropan-2-amine

(E)-N-((2-bromopyridin-3-yl)methylene)-2-methylpropan-2-amine

Conditions
ConditionsYield
With water at 25℃;94%
C24H20BrNP(1+)*Br(1-)

C24H20BrNP(1+)*Br(1-)

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

(Z)-1,2-di(2-bromopyridin-3-yl)ethene
942267-02-9

(Z)-1,2-di(2-bromopyridin-3-yl)ethene

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran at 20℃; for 18h; Wittig reaction;94%
indole
120-72-9

indole

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

C22H16BrN3

C22H16BrN3

Conditions
ConditionsYield
With cadmium sulphide In methanol for 0.25h; Reflux;94%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

ethyl (triphenylphosphoranylidene)acetate
1099-45-2

ethyl (triphenylphosphoranylidene)acetate

(E)-ethyl 3-(2-bromopyridin-3-yl)acrylate

(E)-ethyl 3-(2-bromopyridin-3-yl)acrylate

Conditions
ConditionsYield
In dichloromethane at 0 - 20℃; for 8h; Wittig Olefination;94%
In dichloromethane at 0 - 20℃; for 8h; Wittig Olefination;94%
In dichloromethane at 0 - 20℃; Wittig Olefination;
2,2'-(3,7-di-tert-butyl-9,10-dihydroanthracene-1,5-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)

2,2'-(3,7-di-tert-butyl-9,10-dihydroanthracene-1,5-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

2,2'-(3,7-di-tert-butyl-9,10-dihydroanthracene-1,5-diyl)dinicotinaldehyde

2,2'-(3,7-di-tert-butyl-9,10-dihydroanthracene-1,5-diyl)dinicotinaldehyde

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); potassium carbonate; tri tert-butylphosphoniumtetrafluoroborate In tetrahydrofuran; water at 80℃; Suzuki-Miyaura Coupling; Sealed tube;94%
1-Phenyl-2-propyn-1-ol
4187-87-5

1-Phenyl-2-propyn-1-ol

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

(Z)-6-(hydroxy(phenyl)methylene)-6,7-dihydro-5H-cyclopenta[b]pyridin-5-one

(Z)-6-(hydroxy(phenyl)methylene)-6,7-dihydro-5H-cyclopenta[b]pyridin-5-one

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 20℃; for 4h; Schlenk technique; Inert atmosphere;94%

2-Bromopyridine-3-carbaldehyde Specification

The 3-Pyridinecarboxaldehyde,2-bromo-, with the CAS registry number 128071-75-0, is also known as 2-Bromo-3-formylpyridine. It belongs to the product categories of Pharmacetical; Aldehydes; Pyridines; Pyridine; Pyridines derivates; Halogenated; Organohalides; Bromopyridines; Halopyridines. This chemical's molecular formula is C6H4BrNO and molecular weight is 186.01. What's more, its systematic name is 2-bromopyridine-3-carbaldehyde. It should be sealed and stored in a cool and dry place. Moreover, it should be ensured that the workshop is well ventilated or equipped with exhaust devices. It is used as an organic reagent and a pharmaceutical intermediate.

Physical properties of 3-Pyridinecarboxaldehyde,2-bromo- are: (1)ACD/LogP: 0.99; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.99; (4)ACD/LogD (pH 7.4): 0.99; (5)ACD/BCF (pH 5.5): 3.33; (6)ACD/BCF (pH 7.4): 3.33; (7)ACD/KOC (pH 5.5): 82.36; (8)ACD/KOC (pH 7.4): 82.36; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 29.96 Å2; (13)Index of Refraction: 1.619; (14)Molar Refractivity: 38.78 cm3; (15)Molar Volume: 110.5 cm3; (16)Polarizability: 15.37×10-24cm3; (17)Surface Tension: 52.1 dyne/cm; (18)Density: 1.683 g/cm3; (19)Flash Point: 115.7 °C; (20)Enthalpy of Vaporization: 50.58 kJ/mol; (21)Boiling Point: 267.7 °C at 760 mmHg; (22)Vapour Pressure: 0.00802 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
This chemical is harmful if swallowed. It is irritating to eyes and may cause sensitisation by skin contact. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear suitable protective clothing and gloves.

You can still convert the following datas into molecular structure:
(1)SMILES: O=Cc1cccnc1Br
(2)Std. InChI: InChI=1S/C6H4BrNO/c7-6-5(4-9)2-1-3-8-6/h1-4H
(3)Std. InChIKey: GNFWMEFWZWXLIN-UHFFFAOYSA-N 

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