Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
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inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
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inquiryHebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car
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inquiry2,4-Dimethylbromobenzene CAS:583-70-0 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic in
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inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
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inquiryProduct Name: 2,4-Dimethylbromobenzene Synonyms: 4-BROMO-M-XYLENE;4-BROMO-1,3-DIMETHYLBENZENE;1-Bromo-2,4-dimethyL;2,4-DIMETHYLBROMOBENZENE;1-BROMO-2,4-DIMETHYLBENZENE;4-Bromo-1,3-dimethylbenzene~2,4-Dimethylbromobenzene;4-BROMO-M-XYLENE 97%;4-
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Conditions | Yield |
---|---|
With sulfuric acid; dihydrogen peroxide; sodium bromide In water at 49.84℃; | 98% |
With N-Bromosuccinimide In acetonitrile at 0 - 20℃; Inert atmosphere; | 98% |
With N-Bromosuccinimide In 1,2-dichloro-ethane at 60℃; for 10h; Sealed tube; | 97% |
5-Bromo-6,8-dimethyl-2,3-dihydro-benzo[1,4]dithiine
1-bromo-2,4-dimethylbenzene
Conditions | Yield |
---|---|
With Ni(Ra)-W2 In acetic acid at 40℃; for 0.833333h; | 90% |
Conditions | Yield |
---|---|
With potassium phosphate; tetrabuthylammonium tribromide In acetonitrile at 100℃; for 16h; | 80% |
Methyl fluoride
para-bromotoluene
A
1-bromo-2,4-dimethylbenzene
B
4-bromo-o-xylene
Conditions | Yield |
---|---|
With oxygen at 40℃; under 720 Torr; Mechanism; Irradiation; | A 72% B 28% |
2,4-dimethylphenyl trifluoromethanesulfonate
1-bromo-2,4-dimethylbenzene
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); t-BuBrettPhos; triisobutylaluminum; butanone; potassium bromide In toluene at 100℃; for 20h; Inert atmosphere; | 66% |
Conditions | Yield |
---|---|
With sodium bromate; sodium hydrogensulfite In cyclohexane; water at 20℃; for 4h; Bromination; | A 1% B 64% |
With sodium bromate; sodium hydrogensulfite In water; acetonitrile at 20℃; for 4h; Bromination; | A 57% B n/a |
With N-Bromosuccinimide at 150℃; under 2625.26 Torr; for 0.0666667h; microwave irradiation; | A 1.5 % Chromat. B 56 % Chromat. |
Conditions | Yield |
---|---|
With hydrogen bromide diazotization; | 50% |
With hydrogen bromide Diazotization.Behandlung der Diazoniumsalz-Loesung mit CuBr oder mit Kupfer-Pulver; |
Methyl fluoride
2-methylphenyl bromide
A
2-Bromo-m-xylene
B
4-bromo-m-xylene
C
1-bromo-2,4-dimethylbenzene
D
2,3-dimethylbromobenzene
Conditions | Yield |
---|---|
With oxygen at 40℃; under 720 Torr; Mechanism; Irradiation; | A n/a B n/a C 13.7% D 32.8% |
Conditions | Yield |
---|---|
With sodium bromide; sodium chloride In methanol at 21 - 23.5℃; Product distribution; Kinetics; investigations of thermal dediazoniation in various solvents as a function of viscosity; the reaction are diffusion controlled; | A 3.1% B 5.8% |
Conditions | Yield |
---|---|
TfOH2+B(OTf)4- In toluene for 18h; Product distribution; Ambient temperature; | A 3.5 % Chromat. B 69.1 % Chromat. |
2-Bromo-m-xylene
A
5-bromo-1,3-xylene
B
1-bromo-2,4-dimethylbenzene
C
m-xylene
Conditions | Yield |
---|---|
With hydrogen; oxygen at 40℃; under 760 Torr; Product distribution; Mechanism; Irradiation; effect of further reagents; |
3-methylbicyclo<4.1.0>hepta-1,3,5-triene
A
4-bromo-m-xylene
B
1-bromo-2,4-dimethylbenzene
Conditions | Yield |
---|---|
With bromine; tri-n-butyl-tin hydride Product distribution; Mechanism; multistep reaction; reaction regioselectivity; a series of reagents; |
Conditions | Yield |
---|---|
With bromine In dichloromethane Product distribution; the reaction was also performed by using 2,6-dimethyl-trimethylsilylbenzene as starting material; | |
With bromine In dichloromethane | |
With ferrocenium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate; bromine; zinc(II) oxide In dichloromethane at 20℃; for 1.5h; |
Conditions | Yield |
---|---|
With aluminum oxide; bromine for 0.0166667h; Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
1-bromo-2,4-dimethylbenzene
Conditions | Yield |
---|---|
With copper(ll) bromide |
1-bromo-2,4-dimethylbenzene
Conditions | Yield |
---|---|
With diethyl ether; water at 0℃; |
1-bromo-2,4-dimethylbenzene
Conditions | Yield |
---|---|
With hydrogen bromide; copper(I) bromide |
1-bromo-2,4-dimethylbenzene
Conditions | Yield |
---|---|
With hydrogenchloride at 150 - 160℃; im Rohr; |
5,7-Dimethyl-2,3-dihydro-benzo[1,4]dithiine
1-bromo-2,4-dimethylbenzene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 85 percent / Br2 / CHCl3 / 1 h / Ambient temperature 2: 90 percent / Ni(Ra)-W2 / acetic acid / 0.83 h / 40 °C View Scheme |
1-bromo-2,4-dimethylbenzene
2-chloropropionyl chloride
1-(5-bromo-2,4-dimethylphenyl)-3-chloropropan-1-one
Conditions | Yield |
---|---|
With aluminium trichloride In carbon disulfide for 0.5h; Friedel-Crafts reaction; Heating; | 99% |
4-bromoisoquinoline
1-bromo-2,4-dimethylbenzene
4-(2,4-dimethylphenyl)isoquinoline
Conditions | Yield |
---|---|
Stage #1: 1-bromo-2,4-dimethylbenzene With n-butyllithium In tetrahydrofuran; hexane at 20℃; for 0.025h; Inert atmosphere; Stage #2: With Triisopropyl borate In tetrahydrofuran; hexane at 60℃; for 0.0166667h; Inert atmosphere; Stage #3: 4-bromoisoquinoline With chloro-(2-dicyclohexylphosphino-2,4,6-triisopropyl-1,1-biphenyl)[2-(2-amino-1,1-biphenyl)]palladium(II); potassium hydroxide In tetrahydrofuran; hexane; water at 60℃; for 0.166667h; Suzuki-Miyaura cross-coupling; Inert atmosphere; Sonication; | 96% |
Conditions | Yield |
---|---|
Stage #1: 1-bromo-2,4-dimethylbenzene With tert.-butyl lithium In tetrahydrofuran; pentane at -78 - -40℃; Inert atmosphere; Stage #2: N-tosyl-1,2-oxazetidine With N,N,N,N,-tetramethylethylenediamine In tetrahydrofuran; pentane at -60℃; for 1h; Inert atmosphere; | 96% |
1-bromo-2,4-dimethylbenzene
2-Methylphenylboronic acid
2’,2,4-trimethylbiphenyl
Conditions | Yield |
---|---|
In water; toluene | 96% |
vinyl sulfonamide
1-bromo-2,4-dimethylbenzene
(E)-2-(2,4-Dimethyl-phenyl)-ethenesulfonic acid amide
Conditions | Yield |
---|---|
With palladium diacetate; triethylamine; triphenylphosphine In N,N-dimethyl-formamide at 130℃; for 12h; Heck reaction; | 95% |
1-bromo-2,4-dimethylbenzene
phenyl trimethylsiloxane
2,4-dimethyl-1,1'-biphenyl
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride; palladium(II) acetylacetonate; 3,9-bis(2,4-tBu-PhO)tetraoxa-3,9-diphosphaspiro[5.5]undecane In xylene at 80℃; Hiyama coupling; | 95% |
1-bromo-2,4-dimethylbenzene
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); sodium t-butanolate; ruphos In water; tert-butyl alcohol at 100℃; for 18h; Suzuki Coupling; Schlenk technique; Inert atmosphere; | 95% |
1-bromo-2,4-dimethylbenzene
phenylboronic acid
2,4-dimethyl-1,1'-biphenyl
Conditions | Yield |
---|---|
With potassium phosphate; Pd (sulfur-containing palladacycle); tetra(n-tert-butyl)ammonium bromide In N,N-dimethyl-formamide at 20℃; Suzuki cross-coupling; | 94% |
With potassium phosphate; 1,1'-bis(4-methoxyphenyl)-3,3'-methylene-diimidazoline-2,2'-diylidene-palladium(II)-dibromide In toluene at 40℃; for 4h; Suzuki-Miyaura Coupling; Inert atmosphere; | 94% |
With potassium carbonate; [1,1'-bis{(S)-4-isopropyloxazolin-2-yl}ferrocene]Pd(II)Cl2 In toluene at 60℃; for 2h; Suzuki cross-coupling reaction; | 92% |
1-bromo-2,4-dimethylbenzene
phenylacetylene
1-(2,4-dimethylphenyl)-2-phenylacetylene
Conditions | Yield |
---|---|
With potassium phosphate; bis(η3-allyl-μ-chloropalladium(II)); N,N,N′,N′-tetra(diphenylphosphinomethyl)-1,2-ethylenediamine In 1,4-dioxane at 105℃; for 20h; Sonogashira coupling; Inert atmosphere; | 94% |
With [(Pd{(κ2-C,N)-(3-(dimethylaminomethyl)indole)}µ-OAc)2]; potassium carbonate In water; N,N-dimethyl-formamide at 120℃; for 6h; Catalytic behavior; Sonogashira Cross-Coupling; | 39% |
With copper(l) iodide; diisopropylamine; sodium tetrachloropalladate(II) at 80℃; Sonogashira coupling; |
xanth-9-one
1-bromo-2,4-dimethylbenzene
9-(2,4-dimethylphenyl)-9-hydroxyxanthene
Conditions | Yield |
---|---|
Stage #1: 1-bromo-2,4-dimethylbenzene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: xanth-9-one In tetrahydrofuran; 1,4-dioxane; hexane at 20℃; for 2h; Further stages.; | 94% |
Conditions | Yield |
---|---|
palladium diacetate; tricyclohexylphosphine In 1,2-dimethoxyethane at 20℃; for 3h; | 94% |
pyrrolidine
1-bromo-2,4-dimethylbenzene
1-(2,4-dimethylphenyl)pyrrolidine
Conditions | Yield |
---|---|
With Pd2(OAc)3; caesium carbonate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl In 1,4-dioxane at 100℃; for 17h; | 93% |
Conditions | Yield |
---|---|
Stage #1: ortho-nitrobenzoic acid With copper(II) carbonate In various solvent(s) at 120℃; for 0.5h; Stage #2: 1-bromo-2,4-dimethylbenzene With potassium fluoride; palladium acetylacetonate; iso-propyldiphenylphoshine In various solvent(s) at 120℃; for 24h; Further stages.; | 93% |
With potassium fluoride; copper(II) carbonate; bis(acetylacetonato)palladium(II); isopropyldiphenylphosphine In 1-methyl-pyrrolidin-2-one at 120℃; for 24h; Product distribution / selectivity; Molecular sieve; | 93 %Chromat. |
1-bromo-2,4-dimethylbenzene
5,13-bis[(tert-butyldimethylsilyl)oxy]-2,2-dimethyl-2-silatricyclo[8.4.0.0^{3,8}]tetradeca-1(10),3,5,7,11,13-hexaen-9-one
Conditions | Yield |
---|---|
Stage #1: 1-bromo-2,4-dimethylbenzene With sec.-butyllithium In tetrahydrofuran at -78℃; for 0.333333h; Inert atmosphere; Stage #2: 5,13-bis[(tert-butyldimethylsilyl)oxy]-2,2-dimethyl-2-silatricyclo[8.4.0.0^{3,8}]tetradeca-1(10),3,5,7,11,13-hexaen-9-one In tetrahydrofuran at -78 - 20℃; for 1h; Inert atmosphere; Stage #3: With hydrogenchloride In tetrahydrofuran; water for 0.333333h; Inert atmosphere; | 93% |
Stage #1: 1-bromo-2,4-dimethylbenzene With sec.-butyllithium In tetrahydrofuran at -78℃; for 0.333333h; Inert atmosphere; Stage #2: 5,13-bis[(tert-butyldimethylsilyl)oxy]-2,2-dimethyl-2-silatricyclo[8.4.0.0^{3,8}]tetradeca-1(10),3,5,7,11,13-hexaen-9-one In tetrahydrofuran at -78 - 20℃; for 1h; Inert atmosphere; Stage #3: With hydrogenchloride In tetrahydrofuran; water for 0.333333h; Inert atmosphere; | 93% |
Conditions | Yield |
---|---|
Stage #1: C27H33Al*C4H8O; palladium diacetate; tricyclohexylphosphine In toluene at 100℃; for 1h; Stage #2: 1-bromo-2,4-dimethylbenzene In toluene at 60℃; for 5h; Further stages.; | 92% |
1-bromo-2,4-dimethylbenzene
2-Methylphenylboronic acid
2’,2,4-trimethylbiphenyl
Conditions | Yield |
---|---|
With bis(dicyclopentyl(2-methoxyphenyl)phosphine)dichloropalladium(II) In water; toluene at 100℃; for 3h; Cooling; | 92% |
With caesium carbonate In toluene at 80℃; for 12h; Suzuki-Miyaura Coupling; Schlenk technique; Inert atmosphere; | 82% |
With Pd(CN(2,6-(2,6-(i-Pr)2C6H3)2C6H3))2; sodium t-butanolate In isopropyl alcohol at 60℃; for 8h; Suzuki-Miyaura Coupling; Inert atmosphere; Schlenk technique; Glovebox; Sealed tube; | 74% |
Conditions | Yield |
---|---|
Stage #1: 2,2,2-trifluoroethanol With sodium In 1,4-dioxane Stage #2: 1-bromo-2,4-dimethylbenzene With N,N-dimethyl-formamide; copper(I) bromide In 1,4-dioxane at 110℃; for 6h; Sealed tube; | 92% |
1-bromo-2,4-dimethylbenzene
4-methoxyphenylboronic acid
4′-methoxy-2,4-dimethyl-1,1′-biphenyl
Conditions | Yield |
---|---|
With caesium carbonate In toluene at 80℃; for 12h; Catalytic behavior; Reagent/catalyst; Time; Temperature; Solvent; Suzuki-Miyaura Coupling; Schlenk technique; Inert atmosphere; | 91% |
morpholine
1-bromo-2,4-dimethylbenzene
4-(2,4-dimethylphenyl)morpholine
Conditions | Yield |
---|---|
With sodium t-butanolate; palladium diacetate In 1,4-dioxane at 110℃; for 16h; | 90% |
With palladium diacetate; di-tert-butylneopentylphosphonium tetrafluoroborate; sodium t-butanolate In toluene at 50℃; for 2h; Hartwig-Buchwald amination; | 88% |
Conditions | Yield |
---|---|
Stage #1: 1-bromo-2,4-dimethylbenzene With copper(l) iodide; cesium hydroxide; 5-bromo-2-(1H-imidazol-2-yl)pyridine In water; dimethyl sulfoxide; tert-butyl alcohol at 120℃; for 36h; Inert atmosphere; Stage #2: With hydrogenchloride In water; dimethyl sulfoxide; tert-butyl alcohol pH=1 - 2; Inert atmosphere; | 90% |
With cesiumhydroxide monohydrate; t-BuBrettPhos; C44H62NO5PPdS; water In 1,4-dioxane at 20℃; for 18h; Time; Solvent; Inert atmosphere; | 71% |
With N1,N2-bis(thiophen-2-ylmethyl)oxalamide; caesium carbonate; copper(I) bromide; sodium hydroxide In water; dimethyl sulfoxide at 85℃; for 20h; Reagent/catalyst; Temperature; Glovebox; Schlenk technique; Sealed tube; Inert atmosphere; chemoselective reaction; |
1-bromo-2,4-dimethylbenzene
2-amino-benzenethiol
2-(2,4-dimethylphenylsulphanyl)benzeneamine
Conditions | Yield |
---|---|
With copper(l) iodide at 200℃; for 22h; Reagent/catalyst; Inert atmosphere; | 89% |
Conditions | Yield |
---|---|
With potassium phosphate; [1,1'-bis{(S)-4-isopropyloxazolin-2-yl}ferrocene]Pd(II)Cl2 In 1-methyl-pyrrolidin-2-one at 140℃; for 3h; Heck cross-coupling reaction; | 88% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In N,N-dimethyl-formamide at 105℃; for 24h; | 87% |
Conditions | Yield |
---|---|
Stage #1: AlPhEt2(THF) With palladium diacetate; tricyclohexylphosphine In toluene for 0.166667h; Inert atmosphere; Stage #2: 1-bromo-2,4-dimethylbenzene In toluene at 20℃; for 3h; Inert atmosphere; | 87% |
1-bromo-2,4-dimethylbenzene
Conditions | Yield |
---|---|
Stage #1: 1-bromo-2,4-dimethylbenzene With magnesium In tetrahydrofuran at 70℃; Inert atmosphere; Stage #2: 2-heptafluoropropylaniline In tetrahydrofuran at -70 - 23℃; Inert atmosphere; | 86% |
Conditions | Yield |
---|---|
With palladium diacetate; caesium carbonate; 2-N,N-(dimethylamino)-2'-di-tert-butylphosphino-1,1'-binaphthyl In toluene at 70℃; for 18h; | 85% |
1-bromo-2,4-dimethylbenzene
2,4-Xylidine
2,2′4,4′-tetramethyldiphenylamine
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); tri-tert-butyl phosphine; sodium t-butanolate In toluene for 10h; Inert atmosphere; Reflux; | 85% |
With tris-(dibenzylideneacetone)dipalladium(0); tri-tert-butyl phosphine; sodium t-butanolate In toluene for 10h; Inert atmosphere; Reflux; | 85% |
With tris-(dibenzylideneacetone)dipalladium(0); tri-tert-butyl phosphine; sodium t-butanolate In toluene for 10h; Inert atmosphere; Reflux; | 85% |
1-bromo-2,4-dimethylbenzene
Conditions | Yield |
---|---|
Stage #1: 1-bromo-2,4-dimethylbenzene With magnesium In tetrahydrofuran at 40℃; Stage #2: 2-methyl-N-[(5-methylfuran-2-yl)methylidene]propane-2-sulfinamide In tetrahydrofuran at 20℃; | 85% |
Stage #1: 1-bromo-2,4-dimethylbenzene With magnesium In tetrahydrofuran at 40℃; Stage #2: 2-methyl-N-[(5-methylfuran-2-yl)methylidene]propane-2-sulfinamide In tetrahydrofuran at 20℃; | 85% |
Stage #1: 1-bromo-2,4-dimethylbenzene With magnesium In tetrahydrofuran at 40℃; Stage #2: 2-methyl-N-[(5-methylfuran-2-yl)methylidene]propane-2-sulfinamide In tetrahydrofuran at 20℃; | 85% |
Stage #1: 1-bromo-2,4-dimethylbenzene With magnesium In tetrahydrofuran at 40℃; Stage #2: 2-methyl-N-[(5-methylfuran-2-yl)methylidene]propane-2-sulfinamide In tetrahydrofuran at 20℃; | 85% |
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