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CAS No.: | 188416-28-6 |
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Name: | 6-(1-Bromoethyl)-4-chloro-5-fluoropyrimidine |
Article Data: | 9 |
Molecular Structure: | |
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Formula: | C6H5BrClFN2 |
Molecular Weight: | 239.475 |
Synonyms: | 4-(1-Bromoethyl)-6-chloro-5-fluoropyrimidine; |
Density: | 1.725 g/cm3 |
Boiling Point: | 257.85 °C at 760 mmHg |
Flash Point: | 109.744 °C |
PSA: | 25.78000 |
LogP: | 2.72500 |
4-chloro-5-fluoro-6-ethylpyrimidine
1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane
Conditions | Yield |
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With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In dichloromethane at 55℃; for 16h; Temperature; | 98% |
With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In dichloromethane for 12h; Reflux; | 95.1% |
With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In dichloromethane for 12h; Reflux; | 95.1% |
2,4-dichloro-6-ethyl-5-fluoropyrimidine
1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane
Conditions | Yield |
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Multi-step reaction with 4 steps 1.1: sodium hydroxide / water / 0.5 h / 80 - 90 °C 1.2: pH 1 2.1: 5%-palladium/activated carbon; hydrogen / ethanol / 50 °C / 2585.81 Torr 3.1: triethylamine; trichlorophosphate / dichloromethane / 8 h / 40 °C / Reflux 4.1: 2,2'-azobis(isobutyronitrile); N-Bromosuccinimide / dichloromethane / 12 h / Inert atmosphere; Reflux View Scheme |
1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane
Conditions | Yield |
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Multi-step reaction with 3 steps 1: 5%-palladium/activated carbon; hydrogen / ethanol / 50 °C / 2585.81 Torr 2: triethylamine; trichlorophosphate / dichloromethane / 8 h / 40 °C / Reflux 3: 2,2'-azobis(isobutyronitrile); N-Bromosuccinimide / dichloromethane / 12 h / Inert atmosphere; Reflux View Scheme |
6-ethyl-5-fluoro-4-hydroxypyrimidine
1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane
Conditions | Yield |
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Multi-step reaction with 2 steps 1: triethylamine; trichlorophosphate / dichloromethane / 8 h / 40 °C / Reflux 2: 2,2'-azobis(isobutyronitrile); N-Bromosuccinimide / dichloromethane / 12 h / Inert atmosphere; Reflux View Scheme |
2-fluoro-3-oxopentanoic acid ethyl ester
1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane
Conditions | Yield |
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Multi-step reaction with 3 steps 1: sodium methylate / methanol / 20 h / 15 °C 2: trichlorophosphate / 3 h / 60 °C 3: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / 1,2-dichloro-ethane / 15 h / 50 °C View Scheme |
1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane
1-(2,4-difluorophenyl)-2-(1H-1,2,4-triazolyl)ethanone
3-(6-chloro-5-fluoropyrimidin-4-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-2-butanol
Conditions | Yield |
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With lead; samarium diiodide; 1-benzyl-3-(2-pyridylmethyl)-1H-benzimidazolium chloride; iodine; zinc In tetrahydrofuran at -5 - 40℃; for 1.33333h; Inert atmosphere; | 87% |
With zinc(II) chloride Reformatsky Reaction; | |
With hydrogenchloride; zinc In tetrahydrofuran; water |
1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane
1-(2,4-difluorophenyl)-2-(1H-1,2,4-triazolyl)ethanone
3-(4-chloro-5-fluoropyrimidin-6-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol hydrochloride salt
Conditions | Yield |
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Stage #1: 1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane; 1-(2,4-difluorophenyl)-2-(1H-1,2,4-triazolyl)ethanone With lead; iodine; zinc In tetrahydrofuran at 5 - 25℃; Reformatsky Reaction; Inert atmosphere; Stage #2: With hydrogenchloride In isopropyl alcohol at 25℃; | 48.7% |
Stage #1: 1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane; 1-(2,4-difluorophenyl)-2-(1H-1,2,4-triazolyl)ethanone With lead; bromine; zinc In tetrahydrofuran; dichloromethane at 15 - 50℃; Inert atmosphere; Stage #2: With hydrogenchloride In isopropyl alcohol; acetone at 20 - 25℃; for 2h; Concentration; | |
With bromine; zinc(II) chloride; zinc In tetrahydrofuran at 15℃; Temperature; Reagent/catalyst; Inert atmosphere; |
1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane
1-(2,4-difluorophenyl)-2-(1H-1,2,4-triazolyl)ethanone
Conditions | Yield |
---|---|
Stage #1: 1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane; 1-(2,4-difluorophenyl)-2-(1H-1,2,4-triazolyl)ethanone With lead; chloro-trimethyl-silane; zinc In tetrahydrofuran at 0 - 5℃; for 1.5h; Inert atmosphere; Stage #2: With isopropyl alcohol hydrogen chloride In ethyl acetate at 20℃; for 3h; | 57.37% |
1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane
1-(2,4-difluorophenyl)-2-(1H-tetrazol-1-yl)ethanone
Conditions | Yield |
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With iodine; zinc; lead In tetrahydrofuran at 0 - 20℃; for 3.16667h; |
1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane
1-(2,4-difluorophenyl)-2-(1H-1,2,4-triazolyl)ethanone
Conditions | Yield |
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Stage #1: 1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane; 1-(2,4-difluorophenyl)-2-(1H-1,2,4-triazolyl)ethanone With lead; iodine; acetic acid; zinc In tetrahydrofuran; water at 0 - 5℃; Inert atmosphere; Stage #2: With hydrogenchloride In water; ethyl acetate; isopropyl alcohol | 61.9% |
Stage #1: 1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane; 1-(2,4-difluorophenyl)-2-(1H-1,2,4-triazolyl)ethanone With lead; iodine; zinc In tetrahydrofuran at 5 - 25℃; Reformatsky Reaction; Inert atmosphere; Stage #2: With hydrogenchloride In isopropyl alcohol at 25℃; | 48.7% |
Stage #1: 1-(4-chloro-5-fluoropyrimidin-6-yl)bromoethane; 1-(2,4-difluorophenyl)-2-(1H-1,2,4-triazolyl)ethanone With lead; bromine; zinc In tetrahydrofuran; dichloromethane at 30 - 50℃; Stage #2: With hydrogenchloride In isopropyl alcohol at 20 - 25℃; for 4h; Product distribution / selectivity; |
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Product Name: 6-(1-Bromoethyl)-4-chloro-5-fluoropyrimidine
Synonyms of 6-(1-Bromoethyl)-4-chloro-5-fluoropyrimidine (CAS NO.188416-28-6): 4-Chloro-5-fluoro-6-(1-bromoethyl)-pyrimidine
CAS NO: 188416-28-6
Molecular Formula of 6-(1-Bromoethyl)-4-chloro-5-fluoropyrimidine (CAS NO.188416-28-6): C6H5BrClFN2
Molecular Weight: 239.4727
Molecular Structure:
H bond acceptors: 2
Freely Rotating Bonds: 1
Polar Surface Area: 25.78 Å2
Index of Refraction: 1.556
Molar Refractivity: 44.608 cm3
Molar Volume: 138.789 cm3
Surface Tension: 48.341 dyne/cm
Density of 6-(1-Bromoethyl)-4-chloro-5-fluoropyrimidine (CAS NO.188416-28-6): 1.725 g/cm3
Flash Point: 109.744 °C
Enthalpy of Vaporization: 47.542 kJ/mol
Boiling Point: 257.85 °C at 760 mmHg
Vapour Pressure: 0.023 mmHg at 25°C