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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inquiryLorcaserin(856681-05-5)is an orally administered agent and a selective 5-HT2C receptor agonist for the treatment of obesity. It had been approved for marketing in US by FDA on 27 June in 2012. In clinical studies, lorcaserin h
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inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
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inquiry2,5-Dichlorophenol Basic information Product Name: 2,5-Dichlorophenol Synonyms: 2,5-dichloro-pheno;6-HYDROXY-1,4-DICHLOROBENZENE;2,5-DICHLORO-1-HYDROXY-BENZENE;2,5-DICHLOROPHENOL;2,5
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BEST Appearance:Colorless liquid or crystalline Storage:Keep in a cool, dry, dark location in a tightly sealed container or cylinder Package:25kg/ Drum ,double plastic bags for inner packing and carton drum Transportation:ANY Port:SHAGNHAI, NINGBO,
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Conditions | Yield |
---|---|
With hydrogenchloride; tetrabutylammomium bromide In water at 160℃; under 16501.7 Torr; for 5h; Temperature; Pressure; Reagent/catalyst; Autoclave; Large scale; | 96.8% |
With potassium hydroxide In water at 140℃; under 2625.26 Torr; for 18h; Reagent/catalyst; Pressure; Solvent; Temperature; Autoclave; Large scale; | 96.5% |
Conditions | Yield |
---|---|
With sodium ethanolate; sodium phenylsulfonate at 190℃; under 21752.2 Torr; for 10h; Reagent/catalyst; Temperature; Pressure; Autoclave; Inert atmosphere; | 92.6% |
With sodium hydroxide In ethylene glycol at 180℃; for 3h; Temperature; | 70.4% |
With sodium hydroxide at 180 - 190℃; |
Conditions | Yield |
---|---|
With sulfuric acid; sodium nitrite In water | 86% |
Diazotization; | |
With sulfuric acid; sodium nitrite at 20℃; Diazotization.kochen mit Wasser; |
Conditions | Yield |
---|---|
With sodium hydroxide In methanol; water at 180℃; under 9000.9 - 9750.98 Torr; for 3h; Temperature; Pressure; | 85.4% |
With methanol; sodium methylate at 180℃; |
2,5-dichloroanisole
A
2,5-dichlorophenol
B
1-chloro-2,4-dimethoxybenzene
Conditions | Yield |
---|---|
With sodium methylate In N,N,N,N,N,N-hexamethylphosphoric triamide at 120℃; | A 83% B 8% |
Conditions | Yield |
---|---|
With peracetic acid; acetic acid at 30 - 75℃; for 6.5h; Temperature; Reagent/catalyst; | 80.9% |
With vanadia; dihydrogen peroxide; acetic acid at 25 - 50℃; for 5.5h; Reagent/catalyst; Temperature; | 78.2% |
With dihydrogen peroxide; acetic acid at 90℃; Temperature; | 41.9% |
Conditions | Yield |
---|---|
With N-chloro-succinimide; (R)-[1,1′-binaphthalene]-2,2′-diylbis-(diphenylphosphine sulfide) In chloroform-d1 at 20℃; for 2h; regioselective reaction; | A n/a B 71% |
With N-chloro-succinimide; C24H20F12N4OS In chloroform-d1 at 20℃; for 5h; regioselective reaction; | A 76 %Spectr. B n/a |
methanol
1,2,4-Trichlorobenzene
A
2,5-dichlorophenol
B
3,4-dichlorophenol
C
1,3-dichloro-4-methoxybenzene
D
2,5-dichloroanisole
E
2,4-dichlorophenol
F
3,4-dichloroanisole
Conditions | Yield |
---|---|
With water; sodium hydroxide at 190℃; for 1.5h; Autoclave; | A 64.6% B n/a C n/a D n/a E n/a F n/a |
With water; sodium hydroxide at 190℃; for 1.5h; Sealed tube; regioselective reaction; |
(36/45)-1,3,4,5,6-pentachlorocyclohexene
A
3,5-dichlorophenol
B
2,5-dichlorophenol
C
3,4-dichlorophenol
Conditions | Yield |
---|---|
With recombinant Sphingobium indicum B90A haloalkane dehalogenase LinB; water at 30℃; pH=7; aq. phosphate buffer; Enzymatic reaction; | A 0.7% B 13% C 0.7% D 3.7% E 17% F 62% G 0.9% H 1.4% |
(2,5-dichlorophenyl)hydrazine
A
para-dichlorobenzene
B
2,5-dichlorophenol
C
2-(2,5-dichlorophenyl)pyridine
D
4-(2,5-Dichloro-phenyl)-pyridine
Conditions | Yield |
---|---|
With KO2 In pyridine for 10h; Ambient temperature; Further byproducts given; | A 59% B 2% C n/a D n/a |
2,5-dichloroanisole
sodium methylate
A
2,5-dichlorophenol
B
1-chloro-2,4-dimethoxybenzene
Conditions | Yield |
---|---|
In N,N,N,N,N,N-hexamethylphosphoric triamide at 120℃; for 1h; | A n/a B 8% |
Conditions | Yield |
---|---|
With oxygen; silica gel; copper dichloride at 425℃; Formation of xenobiotics; Further byproducts.; | A 0.11% B 0.3679% C 2.9331% D 0.0698% |
3-monochlorophenol
A
2,5-dichlorophenol
B
2,8-dichlorodibenzofuran
C
2,3,4,6-tetrachlorophenol
Conditions | Yield |
---|---|
With oxygen; silica gel; copper dichloride at 400℃; Formation of xenobiotics; Further byproducts.; | A 0.128% B 0.0913% C 0.001% D 1.3967% |
3-monochlorophenol
A
2,5-dichlorophenol
B
3,4-dichlorophenol
C
2,3-dichlorophenol
Conditions | Yield |
---|---|
With oxygen; silica gel; copper dichloride at 350℃; Formation of xenobiotics; Further byproducts.; | A 0.227% B 0.027% C 0.051% D 0.115% |
With oxygen; silica gel; copper dichloride at 375℃; Formation of xenobiotics; Further byproducts.; | A 0.139% B 0.019% C 0.032% D 0.2629% |
3-monochlorophenol
A
2,5-dichlorophenol
B
3,4-dichlorophenol
C
2,3-dichlorophenol
D
2,4,5-trichlorophenol
Conditions | Yield |
---|---|
With oxygen; silica gel; copper dichloride at 300℃; Product distribution; Further Variations:; Temperatures; | A 0.262% B 0.044% C 0.061% D 0.021% |
2,5-dichloroiodobenzene
sodium methylate
A
para-dichlorobenzene
B
2,5-dichlorophenol
C
2,5-dichloroanisole
Conditions | Yield |
---|---|
at 180℃; |
2,5-dichloroiodobenzene
2,5-dichlorophenol
Conditions | Yield |
---|---|
With methanol; sodium methylate at 180℃; |
1,4-dichloro-2-fluorobenzene
sodium methylate
A
2,5-dichlorophenol
B
2,5-dichloroanisole
Conditions | Yield |
---|---|
at 180℃; |
Conditions | Yield |
---|---|
With methanol; sodium methylate at 180℃; | |
With sodium methylate |
2-amino-5-chlorophenol
2,5-dichlorophenol
Conditions | Yield |
---|---|
With hydrogenchloride Diazotization.Behandlung der Diazoniumsalz-Loesung mit CuCl in wss. HCl; |
methanol
sodium methylate
1,2,4-Trichlorobenzene
2,5-dichlorophenol
Conditions | Yield |
---|---|
at 180℃; im Rohr; |
Conditions | Yield |
---|---|
at 180℃; |
1-(2,5-dichlorophenoxy)silatrane
2,5-dichlorophenol
Conditions | Yield |
---|---|
With sodium hydroxide In methanol; water at 24.9℃; Rate constant; |
uridine 3'-(2,5-dichlorophenyl) phosphate
A
2,5-dichlorophenol
B
uridine 2',3'-cyclic phosphate
Conditions | Yield |
---|---|
1H-imidazole at 25℃; Rate constant; other catalyst; |
2,5-dichlorophenol acetate
N-butylamine
A
N-butylacetamide
B
2,5-dichlorophenol
Conditions | Yield |
---|---|
With (1,4,7,10-tetraoxacyclododecane) In chlorobenzene at 25℃; Rate constant; also with 18-crown-6; | |
In acetonitrile at 25℃; Kinetics; |
Conditions | Yield |
---|---|
With sodium chloride for 8766h; Chlorination; Formation of xenobiotics; |
Conditions | Yield |
---|---|
at 180 - 190℃; |
Conditions | Yield |
---|---|
at 500 - 600℃; |
Conditions | Yield |
---|---|
at 500 - 600℃; |
2,5-dichlorophenol
propargyl bromide
1,4-dichloro-2-(2-propynyloxy)benzene
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran | 100% |
With potassium carbonate In acetone; toluene at 20℃; | |
With potassium carbonate In acetone; toluene | |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 24h; |
Conditions | Yield |
---|---|
With potassium carbonate In dimethyl sulfoxide at 50℃; for 4h; | 100% |
With potassium carbonate In dimethyl sulfoxide at 50℃; for 4h; | 100% |
Conditions | Yield |
---|---|
Stage #1: 2,5-dichlorophenol With sodium hydride In tetrahydrofuran; mineral oil for 1h; Cooling with ice; Stage #2: chloromethyl methyl ether In tetrahydrofuran; mineral oil for 3h; | 99.1% |
2,5-dichlorophenol
3-methoxycarbonylbenzyl bromide
methyl 3-[(2,5-dichlorophenoxy)methyl]benzoate
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 50℃; | 99% |
Conditions | Yield |
---|---|
at 170℃; for 1h; | 98% |
perfluoropropylene
2,5-dichlorophenol
1,1,2,3,3,3-hexafluoropropoxy-2,5-dichlorobenzene
Conditions | Yield |
---|---|
With sodium hydroxide In dimethyl sulfoxide at 25℃; under 2250.23 Torr; Solvent; Reagent/catalyst; Temperature; Pressure; | 97.7% |
Conditions | Yield |
---|---|
Stage #1: 2,5-dichlorophenol With sodium; sodium hydride In tetrahydrofuran at -50℃; for 0.333333h; Stage #2: 4,6-dichloro-2-(methylsulfonyl)pyrimidine In tetrahydrofuran at -50℃; for 2h; | 97% |
Conditions | Yield |
---|---|
Stage #1: 2,5-dichlorophenol With dmap In dichloromethane at -4℃; for 0.5h; Inert atmosphere; Stage #2: tert-butylchlorodiphenylsilane In dichloromethane at -4℃; Inert atmosphere; | 96.8% |
Conditions | Yield |
---|---|
Stage #1: 2,5-dichlorophenol With potassium carbonate In acetone at 20℃; for 0.166667h; Inert atmosphere; Stage #2: allyl bromide In acetone at 60℃; for 4h; | 96% |
With potassium carbonate In acetone at 20℃; for 16h; | 94% |
Stage #1: 2,5-dichlorophenol With potassium carbonate In acetone at 20℃; for 0.166667h; Inert atmosphere; Stage #2: allyl bromide In acetone at 60℃; for 4h; Inert atmosphere; |
2,5-dichlorophenol
epichlorohydrin
1-(2,5-dichloro-phenoxy)-2,3-epoxypropane
Conditions | Yield |
---|---|
Stage #1: 2,5-dichlorophenol With potassium carbonate In acetonitrile at 80℃; for 0.5h; Stage #2: epichlorohydrin In acetonitrile | 96% |
2,5-dichlorophenol
4-methoxyphenyl magnesium bromide
4-chloro-4'-methoxy-[1,1'-biphenyl]-2-ol
Conditions | Yield |
---|---|
With tricyclohexylphosphine; tris(dibenzylideneacetone)dipalladium (0) In tetrahydrofuran at 50℃; for 18h; | 95% |
With tris-(dibenzylideneacetone)dipalladium(0); tricyclohexylphosphine In tetrahydrofuran at 50℃; for 18h; | 95% |
2,5-dichlorophenol
3,4-difluoronitrobenzene
1-(2,5-dichloro-phenoxy)-2-fluoro-4-nitro-benzene
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 150℃; | 94.7% |
2,5-dichlorophenol
4,5-dichloro-2-chloromethyl-pyridazin-3(2H)-one
4-chloro-5-(2,5-dichlorophenoxy)-2-[(2,5-dichlorophenoxy)-methyl]pyridazin-3(2H)-one
Conditions | Yield |
---|---|
With potassium carbonate In methanol for 12h; Reflux; | 94% |
Conditions | Yield |
---|---|
With potassium phosphate In N,N-dimethyl-formamide at 50℃; for 8h; | 93.1% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 60 - 80℃; for 1.5h; | 92.8% |
With lithium bis(perfluorooctylsulfonyl)amide at 40℃; for 40h; Catalytic behavior; | 91% |
With dmap; triethylamine In toluene for 8h; Heating; | 85% |
at 150℃; |
2,5-dichlorophenol
Tetrafluorophthalonitrile
4,5-bis(2,5-dichlorophenoxy)-3,6-difluorophthalonitrile
Conditions | Yield |
---|---|
With potassium fluoride In acetone at -5 - 0℃; | 92.4% |
With potassium fluoride In acetone at -1 - 20℃; | 72.7% |
2,5-dichlorophenol
A
4-bromo-2,5-dichlorophenol
B
2,4-dibromo-3,6-dichlorophenol
Conditions | Yield |
---|---|
With N-Bromosuccinimide; hydrogen bromide In methanol; water for 2h; -20 deg C to room temperature.; Yields of byproduct given; | A n/a B 90.9% |
2,5-dichlorophenol
4-chlorobenzonitrile
1,4-dichloro-2-(4-nitrophenoxy)benzene
Conditions | Yield |
---|---|
With potassium hydroxide; sodium hydroxide | 88% |
2,5-dichlorophenol
ethyl 4-chloropyrimidine-5-carboxylate
ethyl 4-(2,5-dichlorophenoxy)pyrimidine-5-carboxylate
Conditions | Yield |
---|---|
With caesium carbonate; tetrakis(actonitrile)copper(I) hexafluorophosphate In toluene for 2.5h; Reflux; | 88% |
With caesium carbonate; tetrakis(actonitrile)copper(I) hexafluorophosphate In toluene for 2.5h; Reflux; | 88% |
Stage #1: 2,5-dichlorophenol With sodium hydride In N,N-dimethyl-formamide for 0.5h; Cooling with ice; Stage #2: ethyl 4-chloropyrimidine-5-carboxylate In N,N-dimethyl-formamide at 20℃; for 2h; | 55% |
2,5-dichlorophenol
di-isopropyl azodicarboxylate
A
4-bromo-2,5-dichlorophenol
B
bis(1-methylethyl) 1,2-hydrazinedicarboxylate
Conditions | Yield |
---|---|
With ZrBr4 In dichloromethane at 20℃; for 8h; | A 87% B n/a |
hydratropic acid
2,5-dichlorophenol
2,5-dichlorophenyl 2-phenylpropanoate
Conditions | Yield |
---|---|
Stage #1: hydratropic acid With dicyclohexyl-carbodiimide In dichloromethane for 0.25h; Inert atmosphere; Stage #2: 2,5-dichlorophenol In dichloromethane for 12h; Inert atmosphere; | 87% |
Conditions | Yield |
---|---|
Stage #1: 2,5-dichlorophenol With sodium hydroxide In tetrahydrofuran for 0.166667h; Stage #2: N,N-diethylcarbamyl chloride In tetrahydrofuran at 20℃; for 24h; | 87% |
Stage #1: 2,5-dichlorophenol With sodium hydroxide In tetrahydrofuran at 20℃; for 0.166667h; Inert atmosphere; Stage #2: N,N-diethylcarbamyl chloride In tetrahydrofuran at 20℃; for 24h; Inert atmosphere; |
Conditions | Yield |
---|---|
With silver(II) sulfate; iodine In dichloromethane for 24h; | 86% |
With iodine; silver sulfate In dichloromethane | 56% |
With iodine; silver sulfate; sodium thiosulfate In dichloromethane; water |
2,5-dichlorophenol
methyl (2R)-N-benzyloxycarbonylisoserinate
Conditions | Yield |
---|---|
With di-tert-butyl-diazodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 18h; | 86% |
2,5-dichlorophenol
4-Fluoronitrobenzene
1,4-dichloro-2-(4-nitrophenoxy)benzene
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 3h; | 86% |
With sodium carbonate In N,N-dimethyl-formamide at 170℃; for 1h; Microwave irradiation; |
trifluoromethylsulfonic anhydride
2,5-dichlorophenol
2,5-dichloro-1-trifluoromethanesulfonyloxybenzene
Conditions | Yield |
---|---|
With pyridine at 0 - 20℃; for 22h; | 85% |
With pyridine In dichloromethane at 20℃; | 77% |
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