DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
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Min.Order:1 Gram
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Type:Lab/Research institutions
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inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
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inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
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Min.Order:1 bottle
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inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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Benzenamine,4,4'-(1,2-diazenediyl)bis- cas 538-41-0Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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Min.Order:10 Milligram
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inquiryChangzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
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Min.Order:1 Gram
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Min.Order:0
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Type:Trading Company
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Cas:538-41-0
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Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With sodiumsulfide nonahydrate In ethanol at 80℃; for 20h; | 99% |
With sodiumsulfide nonahydrate In methanol; water at 85℃; for 3h; | 90% |
With sodiumsulfide nonahydrate In methanol; water at 85℃; for 4h; | 87% |
With ammonium sulfide; ethanol | |
With methanol; sodiumsulfide nonahydrate |
Conditions | Yield |
---|---|
With sodium perborate; Dihydrate sodium molybdate In acetic acid at 20℃; for 1h; Kinetics; | 92% |
With Dess-Martin periodane In dichloromethane at 20℃; for 0.666667h; | 84% |
With [bis(acetoxy)iodo]benzene In dichloromethane at 20 - 25℃; for 1h; | 74% |
Conditions | Yield |
---|---|
With 4,4'-di-tert-butylbiphenyl; lithium; iron(II) chloride In tetrahydrofuran for 3h; Heating; | 83% |
With ammonium persulfate; sulfuric acid ueber mehrere Stufen; | |
Multi-step reaction with 2 steps 1: Oxone; sulfuric acid / water / 2 h / 60 - 65 °C 2: sodium sulfide / ethanol; water / 0.5 h / Reflux View Scheme |
4-nitro-aniline
A
4,4'-diaminoazoxybenzene
B
1,4-phenylenediamine
C
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
With hydrazine hydrate; nickel(II) nitrate; zinc In tert-butyl alcohol for 0.833333h; Heating; | A 54% B 40% C 2 % Chromat. |
With hydrazine hydrate; nickel(II) nitrate; zinc In ethanol for 5h; Heating; | A 23% B 51% C 21% |
Conditions | Yield |
---|---|
With titanium (0) reagent In tetrahydrofuran for 0.25h; Ambient temperature; | A 45% B 48% |
Conditions | Yield |
---|---|
In toluene for 8h; Heating; | A 38% B 13% |
N,N'-bis-[4-(4-amino-phenylazo)-phenyl]-hydrazine
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
With ammonium hydrosulphide |
acetic acid-[4-(4-amino-phenylazo)-anilide]
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
With sulfuric acid | |
With sulfuric acid |
acetic acid-[4-(3-phenyl-triazenyl)-anilide]
aniline hydrochloride
A
aniline yellow
B
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
With aniline anschliessend Kochen des Reaktionsproduktes mit verd. Schwefelsaeure; |
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
With ammonium hydrosulphide |
nitrobenzene
1,4-phenylenediamine
A
aniline yellow
B
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
With sodium carbonate |
acetic acid-[4-(3-phenyl-triazenyl)-anilide]
aniline hydrochloride
aniline
A
aniline yellow
B
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
anschl. Kochen mit verd. H2SO4; | |
Kochen des Reaktionsprodukts mit verd.Schwefelsaeure; |
bis(4-nitrophenyl)diazene
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
With sodium sulfide | |
With tetrahydrofuran; lithium aluminium tetrahydride; diethyl ether | |
With sodium sulfide In ethanol; water for 0.5h; Reflux; |
4,4′-dinitrohydrazobenzene
A
bis-[4-(4-amino-phenylazo)-phenyl]-diazene
B
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
With sodium sulfide | |
With sodium sulfide |
Conditions | Yield |
---|---|
With sodium carbonate; nitrobenzene |
N,N'-diacetyl-4,4'-diaminoazobenzene
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
With hydrogenchloride | |
With hydrogenchloride | |
With sodium hydroxide | |
With hydrogenchloride; water In methanol for 1.5h; |
Conditions | Yield |
---|---|
With methanol; iodine; magnesium for 1h; Ambient temperature; | A 49 % Chromat. B 50 % Chromat. |
p-nitrobenzenediazonium
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
Reduktion der hierbei entstandenen Azoverbindung mit Glykose, Formaldehyd, Zink oder Zinn in alkal.Loesung; |
hydrogenchloride
N,N'-diacetyl-4,4'-diaminoazobenzene
4,4'-Diaminoazobenzene
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
With copper(I) oxide; ammonia |
ethanol
4,4′-dinitrohydrazobenzene
A
bis-[4-(4-amino-phenylazo)-phenyl]-diazene
B
4,4'-Diaminoazobenzene
nitrobenzene
1,4-phenylenediamine
A
aniline yellow
B
4,4'-Diaminoazobenzene
nitrobenzene
1,4-phenylenediamine
A
aniline yellow
B
4,4'-Diaminoazobenzene
C
1,4-bis-phenylazo-benzene
Conditions | Yield |
---|---|
at 145℃; |
ethanol
4,4'-dinitroazoxybenzene
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
at 25℃; dann auf dem Wasserbad; |
para-dinitrobenzene
A
4-nitro-aniline
B
bis(4-nitrophenyl)diazene
C
4,4'-Diaminoazobenzene
sulfuric acid
acetic acid-[4-(4-amino-phenylazo)-anilide]
4,4'-Diaminoazobenzene
ethanol
N,N'-bis-[4-(4-amino-phenylazo)-phenyl]-hydrazine
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
Stage #1: bromocyane; 4,4'-Diaminoazobenzene With acetic acid In N,N-dimethyl-formamide at -15 - -10℃; for 0.5h; Stage #2: With sodium hydroxide In N,N-dimethyl-formamide at -15 - 20℃; for 25h; | 95% |
Conditions | Yield |
---|---|
With triethylamine In chloroform at 15 - 20℃; for 6h; | 93% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 24h; Cooling with ice; | 91% |
Conditions | Yield |
---|---|
With (2,2':6',2''-terpyridine)(pyridine-2-carboxylate)iron(II)chloride; sodium hydroxide In water; acetonitrile | 90% |
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
Stage #1: 4,4'-Diaminoazobenzene With hydrogenchloride; sodium nitrite In water Stage #2: With sodium azide In water | 90% |
Conditions | Yield |
---|---|
In acetonitrile for 12h; Reflux; Inert atmosphere; | 87% |
4,4'-Diaminoazobenzene
4-(4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoroundecyloxy)-benzaldehyde
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In N,N-dimethyl acetamide at 160℃; for 10h; Inert atmosphere; | 85% |
Conditions | Yield |
---|---|
With sodium carbonate; ethyl acetate at 20℃; for 3h; Inert atmosphere; | 82% |
N-(2,6-diisopropylphenyl)-acetimidoyl chloride
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
In toluene for 4h; Reflux; | 81% |
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
With potassium hydroxide In N,N-dimethyl-formamide for 7h; Heating; | 80% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 50℃; for 12h; | 79% |
Conditions | Yield |
---|---|
In ethanol | 75% |
Conditions | Yield |
---|---|
In hexane at 50 - 60℃; for 3.16667h; Milling; | 75% |
formic acid
2-triethylammonio acetic acid chloride chloride
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
Stage #1: 2-triethylammonio acetic acid chloride chloride; 4,4'-Diaminoazobenzene With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide; acetonitrile at 0 - 20℃; Inert atmosphere; Stage #2: formic acid With silica gel In water; acetonitrile | 73% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 20℃; Inert atmosphere; | 73% |
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0℃; for 1h; Inert atmosphere; | 73% |
salicylaldehyde
4,4'-Diaminoazobenzene
N,N'-bis(salicylidine)-4,4'-diaminoazobenzene
Conditions | Yield |
---|---|
In methanol at 60 - 70℃; for 0.25h; Reflux; | 70% |
With ethanol |
1-(2,4-dinitrophenyl)-4,4'-bipyridinium chloride
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
In ethanol | 70% |
Conditions | Yield |
---|---|
Stage #1: C38H42N4O4 With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 4℃; for 1h; Inert atmosphere; Stage #2: 4,4'-Diaminoazobenzene In N,N-dimethyl-formamide at 4 - 24℃; for 24h; Inert atmosphere; | 70% |
pent-4-enoyl chloride
4,4'-Diaminoazobenzene
4-(pent-4-en)amido-4'-aminoazobenzene
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 20℃; Inert atmosphere; | 68% |
propionyl chloride
4,4'-Diaminoazobenzene
4-propionamido-4'-aminoazobenzene
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 20℃; Inert atmosphere; | 68% |
1-(2,4-dinitrophenyl)-4,4'-bipyridinium chloride
4,4'-Diaminoazobenzene
B
2,4-Dinitroanilin
Conditions | Yield |
---|---|
at 150 - 170℃; Zincke reaction; neat (no solvent); | A 68% B n/a |
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
With potassium hydroxide In N,N-dimethyl-formamide for 10h; Heating; | 68% |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 12h; Inert atmosphere; | 66% |
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In N,N-dimethyl-formamide for 18h; Inert atmosphere; | 58% |
butyryl chloride
4,4'-Diaminoazobenzene
4-butyramido-4'-aminoazobenzene
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 20℃; Inert atmosphere; | 65% |
(3α,5β,7α,12α)-3,7,12-tris(formyloxy)cholan-24-oyl chloride
4,4'-Diaminoazobenzene
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 0℃; | 63% |
1,4-bis(thiophen-2-yl)butane-1,4-dione
4,4'-Diaminoazobenzene
4,4'-bis-[(2,5-di-thien-2-yl)-pyrrol-1-yl]azobenzene
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene for 12h; Heating; | 60% |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 12h; Inert atmosphere; | 58% |
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