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2-CHLOROQUINOXALINE; 2-Chloroquinoxaline, 99%; Chloroquinoxaline; 2-Chloroquinoxaline, 97%+; 2-Chloroquinoxaline 98%; Quinoxaline, 2-chloro- CAS No.: 1448-87-9 Molecular formula: C8H5ClN2 Molecular weight: 164.59 EINECS number: 215-905-8
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inquiryProduct name: 2-Chloroquinoxaline CAS No.:1448-87-9 Molecule Formula:C8H5ClN2 Molecule Weight:164.59 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TESTING ITEMS
Cas:1448-87-9
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inquiryName:2-Chloroquinoxaline Structural formula: Molecular formula:C8H5CLN2 CAS NO.:1448-87-9 Uses: intermediate of medicine and pesticide Packing:25kg carton Storage:Kept in dry, cool and ventilating place. Appearance:White crystalline po
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Item Standard Appearance Slightly yellowish or grey crystalline solid Quizalofop-P-ethyl % 95 Melting Po
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Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:White powder Storage:keep sealed and keep from direct light Package:According client's requirements Application:pharmaceutica
Conditions | Yield |
---|---|
With pyridine; trichlorophosphate at 160℃; for 2h; Autoclave; neat (no solvent); | 94% |
With dmap; thionyl chloride; bis(trichloromethyl) carbonate for 6.5h; Reflux; Green chemistry; | 94% |
With P,P-dichlorophenylphosphine oxide at 110℃; for 12h; Inert atmosphere; | 81% |
Conditions | Yield |
---|---|
With trichlorophosphate In toluene for 1h; Reflux; | 93% |
With N-chloro-succinimide; triphenylphosphine In 1,4-dioxane for 4h; Heating; | 88% |
With trichloroisocyanuric acid; triphenylphosphine In toluene for 4h; Heating; | 77% |
Conditions | Yield |
---|---|
at 390 - 400℃; | A 12% B 88% |
2,6-dichloroquinoxaline
2-chloroquinoxaline
Conditions | Yield |
---|---|
With 18-crown-6 ether; 4 A molecular sieve; cesium fluoride In tetrahydrofuran for 20h; Product distribution; Ambient temperature; other 6-substituted 2-chloroquinoxalines; var. temp., reaction time and stoichiometry of reagents; | 87% |
Conditions | Yield |
---|---|
With sodium dimethyl phosphonate In tetrahydrofuran at 20℃; for 4h; | 85% |
C22H15N3O2
A
2-chloroquinoxaline
B
benzophenone
C
hexachloroethane
D
benzophenone azine
Conditions | Yield |
---|---|
With tetrachloromethane Ambient temperature; Irradiation; Yields of byproduct given; | A 74% B n/a C n/a D n/a |
Conditions | Yield |
---|---|
With N,N-dimethyl-formamide; trichlorophosphate In dichloromethane at 0 - 25℃; Inert atmosphere; regioselective reaction; | 63% |
With trichlorophosphate |
2-chloroquinoxaline
Conditions | Yield |
---|---|
With lithium chloride In 1,4-dioxane at 80℃; for 24h; Inert atmosphere; Sealed tube; regioselective reaction; | 60% |
A
2-chloroquinoxaline
Conditions | Yield |
---|---|
at 450℃; under 0.01 Torr; | A 54% B n/a |
at 450℃; under 0.01 Torr; | A n/a B 54% |
quinoxalin-2(1)-one
A
2-chloroquinoxaline
B
2-chloroquinoxaline-6-sulfonyl chloride
Conditions | Yield |
---|---|
With chlorosulfonic acid; thionyl chloride at 110℃; for 11h; | A 8.5 g B 44% |
6-chloro-1,2-dihydroquinoxalin-2-one
A
2-chloroquinoxaline
B
2,6-dichloroquinoxaline
Conditions | Yield |
---|---|
With thionyl chloride; N,N-dimethyl-formamide | A n/a B 41% |
Conditions | Yield |
---|---|
With copper(I) chloride; hydrogenchloride; selenium(IV) oxide In water 1) 20 to 25 deg C 2) heating to boiling point; | A 10% B 13% |
3-Chloroquinoxaline-2-carboxylic acid
2-chloroquinoxaline
Conditions | Yield |
---|---|
at 160℃; under 1 Torr; |
quinoxaline-N-oxide
trimethylsilyl cyanide
A
2,3-diethynylquinoxaline
B
2-chloroquinoxaline
C
quinoxaline-6-carbonitrile
D
quinoxaline-5-carbonitrile
E
2-hydroxyquinoxaline
F
quinoxaline-2-carbonitrile
Conditions | Yield |
---|---|
With benzoyl chloride In dichloromethane for 3h; Product distribution; Ambient temperature; different cyanides, reagents, catalyst, solvents, reaction times and temperatures; |
quinoxaline-N-oxide
A
2,3-diethynylquinoxaline
B
2-chloroquinoxaline
C
6-chloroquinoxaline
D
quinoxaline-2-carbonitrile
Conditions | Yield |
---|---|
With potassium cyanide; benzoyl chloride In chloroform; water for 0.5h; Ambient temperature; Yield given. Further byproducts given. Yields of byproduct given; |
Conditions | Yield |
---|---|
With trichlorophosphate for 0.166667h; Heating; | A 90 % Chromat. B 10 % Chromat. |
quinoxaline-N-oxide
A
2-chloroquinoxaline
B
6-chloroquinoxaline
C
5-chloro-quinoxaline
D
2-hydroxyquinoxaline
Conditions | Yield |
---|---|
With potassium cyanide; water; benzoyl chloride In methanol for 2h; Ambient temperature; Yield given. Further byproducts given. Yields of byproduct given; |
quinoxaline-N-oxide
trichlorophosphate
2-chloroquinoxaline
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 2: 30 percent alkaline hydrogen peroxide 3: phosphoryl chloride, phosphorus pentachloride / 3 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: ethanol 2: POCl3 View Scheme | |
Multi-step reaction with 2 steps 1: H2O 2: POCl3; PCl5 View Scheme |
3,4-dihydro-2-hydroxyquinoxaline
2-chloroquinoxaline
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 30 percent alkaline hydrogen peroxide 2: phosphoryl chloride, phosphorus pentachloride / 3 h / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: peroxyacetic acid; acetic acid 2: POCl3 View Scheme |
ethyl 2-quinoxalinecarboxylate 4-oxide
2-chloroquinoxaline
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: POCl3 2: aqueous methanol.NaCN 3: 160 °C / 1 Torr View Scheme |
ethyl 3-chloroquinoxaline-2-carboxylate
2-chloroquinoxaline
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aqueous methanol.NaCN 2: 160 °C / 1 Torr View Scheme |
ethyl 3-oxo-4H-quinoxaline-2-carboxylate
2-chloroquinoxaline
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: POCl3 2: aqueous methanol.NaCN 3: 160 °C / 1 Torr View Scheme |
2-chloroquinoxaline
trimethylsilylacetylene
2-(trimethylsilylethynyl)quinoxaline
Conditions | Yield |
---|---|
With triethylamine; triphenylphosphine; palladium diacetate; copper(l) iodide for 3.5h; | 100% |
With triethylamine; triphenylphosphine; copper(l) iodide; palladium diacetate In acetonitrile Heating; | 54% |
2-chloroquinoxaline
N-tert-Butoxycarbonyl-1-amino-3-propyne
(3-quinoxalin-2-yl-prop-2-ynyl)-carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride In acetonitrile at 20℃; for 2h; | 99% |
Conditions | Yield |
---|---|
Stage #1: BPA With potassium carbonate In sulfolane; toluene at 20℃; for 0.75h; Stage #2: 2-chloroquinoxaline at 80℃; for 48h; Further stages.; | 99% |
2-chloroquinoxaline
2-[(E)-4-phenylbut-1-enyl]quinoxaline
Conditions | Yield |
---|---|
With palladium diacetate; triphenylphosphine; cesium fluoride In water; acetonitrile for 4h; Reflux; | 99% |
2-chloroquinoxaline
(E)-3-(3-hydroxyphenyl)acrylic acid ethyl ester
C19H16N2O3
Conditions | Yield |
---|---|
With potassium carbonate In tetrachloromethane for 12h; Reflux; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With 1,3-bis[(diphenylphosphino)propane]dichloronickel(II); N,N,N′,N′-tetramethyl-N″-tert-butylguanidine; 4-phenyl-N-methylpyridinium iodide; 4,4'-di-tert-butyl-2,2'-bipyridine; zinc In dimethyl sulfoxide at 60℃; for 2h; Reagent/catalyst; Inert atmosphere; | 99% |
Stage #1: 2-chloroquinoxaline With (1,3,5-triaza-7-phosphaadamantan-1-ium-1-yl)butane-1-sulfonate; palladium diacetate In N,N-dimethyl-formamide for 0.0833333h; Schlenk technique; Inert atmosphere; Stage #2: pyrrolidine With triethylamine In N,N-dimethyl-formamide at 23℃; for 4h; Schlenk technique; Inert atmosphere; | 92% |
With potassium phosphate In water at 100℃; for 2h; | 89% |
Conditions | Yield |
---|---|
at 160℃; for 0.0833333h; Microwave irradiation; | 98% |
at 160℃; for 0.0833333h; microwave irradiation; | 94% |
at 130℃; for 2h; | 80% |
With indium(III) chloride In acetonitrile at 140℃; for 1h; Microwave irradiation; regioselective reaction; | 75% |
In ethanol at 225℃; under 90009 Torr; for 0.266667h; Flow reactor; | 60% |
2-chloroquinoxaline
(2,4-dimethoxyphenyl)zinc chloride
2-(2,4-dimethoxyphenyl)quinoxaline
Conditions | Yield |
---|---|
With tris(dibenzylideneacetone)dipalladium (0); ruphos In tetrahydrofuran at 20℃; for 15h; Negishi coupling; | 98% |
2-chloroquinoxaline
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In N,N-dimethyl-formamide at 130℃; Inert atmosphere; Sealed tube; | 98% |
2-chloroquinoxaline
2-isopropylquinoxaline
Conditions | Yield |
---|---|
With C20H29N2P*BF4(1-)*H(1+); palladium diacetate In tetrahydrofuran; toluene at 0 - 20℃; for 2h; Negishi Coupling; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
With indium(III) chloride In acetonitrile at 120℃; for 1h; Microwave irradiation; regioselective reaction; | 98% |
Conditions | Yield |
---|---|
Stage #1: 2-chloroquinoxaline With (1,3,5-triaza-7-phosphaadamantan-1-ium-1-yl)butane-1-sulfonate; palladium diacetate In N,N-dimethyl-formamide for 0.0833333h; Schlenk technique; Inert atmosphere; Stage #2: 1-bromo-2-naphthol With potassium phosphate In N,N-dimethyl-formamide at 60℃; for 2h; Schlenk technique; Inert atmosphere; chemoselective reaction; | 98% |
2-chloroquinoxaline
3,3,3-triethoxypropyne
2-(3,3,3-Triethoxypropyn-1-yl)quinoxaline
Conditions | Yield |
---|---|
With copper(l) iodide; triethylamine; triphenylphosphine; palladium diacetate In acetonitrile at 70℃; for 3h; | 97% |
2-chloroquinoxaline
2-thiopheneboronic acid MIDA ester
2-(thiophen-2-yl)quinoxaline
Conditions | Yield |
---|---|
Stage #1: 2-chloroquinoxaline; 2-thiopheneboronic acid MIDA ester With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; palladium diacetate In 1,4-dioxane at 23℃; for 0.166667h; Inert atmosphere; Stage #2: With potassium phosphate; water In 1,4-dioxane at 23 - 60℃; for 6.5h; Inert atmosphere; | 97% |
tris-(3-methoxy-phenyl)-bismuthane
2-chloroquinoxaline
2-(3-methoxyphenyl)quinoxaline
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In N,N-dimethyl-formamide at 130℃; Inert atmosphere; Sealed tube; | 97% |
Conditions | Yield |
---|---|
With indium(III) chloride In dichloromethane at 120℃; for 1h; Microwave irradiation; regioselective reaction; | 97% |
2-chloroquinoxaline
Conditions | Yield |
---|---|
With potassium phosphate; 2-dicyclohexylphosphino-2',4',6'-triisopropylbiphenyl; tris(dibenzylideneacetone)dipalladium (0) In tert-Amyl alcohol at 100℃; for 4h; Suzuki-Miyaura reaction; | 96% |
Conditions | Yield |
---|---|
Stage #1: 2-chloroquinoxaline; phenylboronic acid With palladium diacetate; (R)-6-dicyclohexylphoshino-6'-diphenylphosphino-3,3'-dimethoxy-2,2',4,4'-tetramethyl-1,1'-biphenyl In dodecane; butan-1-ol at 25℃; for 0.0833333h; Suzuki-Miyaura Coupling; Inert atmosphere; Glovebox; Stage #2: With cesiumhydroxide monohydrate In dodecane; water; butan-1-ol at 25℃; Suzuki-Miyaura Coupling; Inert atmosphere; Glovebox; | 96% |
With C23H37Cl2N2PPd; sodium hydroxide In methanol; toluene at 80℃; for 24h; Suzuki-Miyaura Coupling; Glovebox; Inert atmosphere; | 85% |
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran; water at 80℃; for 24h; | 84% |
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran; water at 80℃; for 24h; | 84% |
With potassium phosphate In water at 20℃; for 48h; Suzuki-Miyaura Coupling; Inert atmosphere; Irradiation; | 73% |
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); 2-dicyclohexylphosphino-2′,6′-di-i-propoxy-1,1′-biphenyl; sodium t-butanolate In 1,4-dioxane at 100℃; for 0.166667h; | 95% |
In toluene for 24h; Reflux; | 40% |
In iso-butanol for 16h; Heating; | |
microwave irradiation; | |
In butan-1-ol Reflux; |
Conditions | Yield |
---|---|
With indium(III) chloride In acetonitrile at 120℃; for 1h; Microwave irradiation; regioselective reaction; | 95% |
In methanol at 40℃; Rate constant; Thermodynamic data; Kinetics; further solvents and temperatures; ΔH(excit), ΔS(excit); | |
In methanol at 40℃; |
Conditions | Yield |
---|---|
Stage #1: 2-chloroquinoxaline With (1,3,5-triaza-7-phosphaadamantan-1-ium-1-yl)butane-1-sulfonate; palladium diacetate In N,N-dimethyl-formamide for 0.0833333h; Schlenk technique; Inert atmosphere; Stage #2: meta-nitrophenol With potassium phosphate In N,N-dimethyl-formamide at 60℃; for 2h; Schlenk technique; Inert atmosphere; | 95% |
With potassium hydroxide In N,N-dimethyl-formamide at 90℃; for 78h; Etherification; | 68% |
Conditions | Yield |
---|---|
With iron(III)-acetylacetonate In tetrahydrofuran; 1-methyl-pyrrolidin-2-one | 95% |
Stage #1: 2-chloroquinoxaline; tetradecylmagnesium bromide; iron-(III)-acetylacetonate In tetrahydrofuran; 1-methyl-pyrrolidin-2-one for 0.0833333 - 0.166667h; Stage #2: With water In tetrahydrofuran; 1-methyl-pyrrolidin-2-one; diethyl ether Product distribution / selectivity; | 95% |
iron catalyst Product distribution / selectivity; | 95% |
Conditions | Yield |
---|---|
at 150℃; for 0.25h; Microwave irradiation; Neat (no solvent); | 95% |
at 180℃; |
2-chloroquinoxaline
3-trifluoromethylaniline
N-3-(trifluoromethylphenyl)quinoxalin-2-ylamine
Conditions | Yield |
---|---|
at 150℃; for 0.25h; Microwave irradiation; Neat (no solvent); | 95% |
2-chloroquinoxaline
4-acetylphenylboronic acid
1-(4-(quinoxalin-2-yl)phenyl)ethanone
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl acetamide; water at 100℃; for 4h; Suzuki-Miyaura coupling; | 95% |
2-chloroquinoxaline
2,4-difluorobromobenzene
2-(2,4-difluorophenyl)quinoxaline
Conditions | Yield |
---|---|
Stage #1: 2,4-difluorobromobenzene With isopropylmagnesium chloride In tetrahydrofuran at 0℃; for 1h; Inert atmosphere; Stage #2: With zinc(II) chloride In tetrahydrofuran at 0 - 20℃; for 1h; Inert atmosphere; Stage #3: 2-chloroquinoxaline With methanesulfonic acid(2-dicyclohexylphosphino-2′,4′,6′-triisopropyl-1,1′-biphenyl)[2-(2′-amino-1,1′-biphenyl)]palladium(II); XPhos In tetrahydrofuran at 20℃; for 12h; Negishi Coupling; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
Stage #1: 2-chloroquinoxaline With (1,3,5-triaza-7-phosphaadamantan-1-ium-1-yl)butane-1-sulfonate; palladium diacetate In N,N-dimethyl-formamide for 0.0833333h; Schlenk technique; Inert atmosphere; Stage #2: para-tert-butylphenol With potassium phosphate In N,N-dimethyl-formamide at 60℃; for 2h; Schlenk technique; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
Stage #1: 2-chloroquinoxaline With (1,3,5-triaza-7-phosphaadamantan-1-ium-1-yl)butane-1-sulfonate; palladium diacetate In N,N-dimethyl-formamide for 0.0833333h; Schlenk technique; Inert atmosphere; Stage #2: 1-methyl-1-propanethiol With potassium phosphate In N,N-dimethyl-formamide at 50℃; for 2h; Schlenk technique; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
at 28℃; for 12h; | 95% |
Conditions | Yield |
---|---|
In diethyl ether Ambient temperature; | 94% |
With 1,3-bis-(diphenylphosphino)propane; potassium carbonate; cobalt(II) chloride In para-xylene at 135℃; for 3h; Inert atmosphere; | 91% |
Stage #1: 2-chloroquinoxaline With (1,3,5-triaza-7-phosphaadamantan-1-ium-1-yl)butane-1-sulfonate; palladium diacetate In N,N-dimethyl-formamide for 0.0833333h; Schlenk technique; Inert atmosphere; Stage #2: piperidine With triethylamine In N,N-dimethyl-formamide at 23℃; for 4h; Schlenk technique; Inert atmosphere; | 91% |
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