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Cas:593-61-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:593-61-3
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryShandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W
Cas:593-61-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryhight degree of purity Application:Fine chemical intermediates, used as the main raw material for he synthesis of various pesticides, medicines, surfactants, polymer monomers, Ond Ontifungal agents
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
2,3-Dimethyl-2-butene
cis+trans-dibromoethylene
A
acetylene dibromide
B
2,3-dimethylbut-3-en-2-ylhydroperoxide
C
bromoethyne
D
2,3-dimethyl-1-buten-3-ol
Conditions | Yield |
---|---|
Stage #1: 2,3-Dimethyl-2-butene; cis+trans-dibromoethylene With potassium tert-butylate In pentane at -60 - 0℃; Inert atmosphere; Stage #2: With ammonium chloride In pentane for 0.25h; Stage #3: With water | A 20% B n/a C n/a D n/a |
mucobromic acid
bromoethyne
Conditions | Yield |
---|---|
With barium dihydroxide |
Conditions | Yield |
---|---|
With potassium carbonate | |
With potassium carbonate |
Conditions | Yield |
---|---|
With sodium hydroxide; water und Erwaermen nach Zugabe von absol. Alkohol unter Stickstoff; | |
With alkaline mercury cyanide Erwaermen des entstehenden Mercuri-bromacetylenids mit alkalischer Cyankalium-loesung; | |
With sodium hydroxide |
1,1,2-tribromoethane
sodium ethanolate
A
vinylidene dibromide
B
bromoethyne
Conditions | Yield |
---|---|
With potassium carbonate |
Conditions | Yield |
---|---|
With potassium carbonate |
Conditions | Yield |
---|---|
With potassium carbonate |
Conditions | Yield |
---|---|
With barium dihydroxide beim Kochen; Nebenprod.2:CO2; |
potassium cyanide
bromo-acetylene; mercuri-bromo acetylenide
bromoethyne
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol |
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol |
Vinyl bromide
A
bromoethyne
B
hydrogen bromide-acetylene complex
C
acetylene
Conditions | Yield |
---|---|
In various solvent(s) at -258.2℃; for 14h; Irradiation; vacuum-UV photolysis in argon matrix; IR examination of the product mixture; |
Conditions | Yield |
---|---|
In various solvent(s) at -258.2℃; for 14h; Irradiation; vacuum-UV photolysis in argon matrix; IR examination of the product mixture; |
bromoethyne
Conditions | Yield |
---|---|
With n-butyllithium; methyl iodide |
Conditions | Yield |
---|---|
With ethyl bromide In tetrahydrofuran | |
With N-Bromosuccinimide; silver nitrate In acetone at 20℃; for 3h; Darkness; |
acetylene-d2
A
acetylene-d1
B
bromoethyne
C
(Z)-1-bromo-1,2-dideuterio-ethene
D
deuteriobromoacetylene
Conditions | Yield |
---|---|
With hydrogen bromide at -261.2℃; for 25.5417h; Product distribution; Irradiation; |
Conditions | Yield |
---|---|
With hydrogen bromide at -261.2℃; for 5.03333h; Product distribution; Irradiation; |
acetylene
A
acetylene-d1
B
bromoethyne
C
cis-1-bromo-2-deuterio-ethene
D
(Z)-1-bromo-1,2-dideuterio-ethene
E
deuteriobromoacetylene
Conditions | Yield |
---|---|
With hydrogen bromide at -261.2℃; for 21h; Product distribution; Irradiation; |
Conditions | Yield |
---|---|
In solid matrix at -263.3℃; Product distribution; Irradiation; |
3-bromopropiolic acid
A
bromoethyne
B
malonic acid
C
carbon dioxide
mucobromic acid
A
formic acid
B
bromoethyne
C
malonic acid
D
carbon dioxide
1,1,2,2-tetrabromoethane
diethyl ether
A
bromoethyne
B
1,1,2-tribromoethylene
Conditions | Yield |
---|---|
at 200 - 220℃; |
bromoethyne
dimethyl (3-methyl-2-butenyl)propanedioate
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 23 - 25℃; for 24h; | 85% |
bromoethyne
Conditions | Yield |
---|---|
With copper(l) iodide; 1,10-Phenanthroline; potassium hexamethylsilazane In toluene at 90℃; for 3h; Inert atmosphere; | 84% |
bromoethyne
dimethylaminobis(trifluoromethyl)borane
dimethylamine-ethynylbis(trifluoromethyl)borane
Conditions | Yield |
---|---|
With Mg; H2O; HCl In diethyl ether byproducts: MgClBr; mixing bromide with excess Mg, cooling to -78°C, dropwise addn. of 0.83 equiv. of B-compd., stirring (-78°C, 20-30 min), addn. of H2O and 2 M HCl, warming to room temp.; drying of org. layer (MgSO4), solvent removal (20°C), recrystn. (-78°C, ether) or sublimation (50-90°C, 1E-2 bar), not specified; elem. anal.; | 80% |
bromoethyne
Conditions | Yield |
---|---|
Stage #1: 3-(4-chlorophenyl)-5-methyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidine-7-one With potassium carbonate In N,N-dimethyl-formamide at 25℃; for 10h; Stage #2: bromoethyne In N,N-dimethyl-formamide for 4h; Reflux; | 80% |
bromoethyne
5-allenyl-2,3,5-trichloro-4,4-dimethoxycyclopent-2-en-1-one
Conditions | Yield |
---|---|
Stage #1: bromoethyne With magnesium In tetrahydrofuran Stage #2: 5-allenyl-2,3,5-trichloro-4,4-dimethoxycyclopent-2-en-1-one In tetrahydrofuran at 20℃; for 18h; | 79.3% |
Triallylborane
bromoethyne
3-methoxy-7-(2-bromoethyl)-3-borabicyclo<3.3.1>non-6-ene
Conditions | Yield |
---|---|
With methanol In neat (no solvent) heating to 130-140°C, methanolysis; distn. (105-106°C/1.5 mm), elem. anal., (1)H-, (13)C-, (11)B-NMR, mass spectrometry; | 78% |
bromoethyne
Conditions | Yield |
---|---|
Stage #1: bromoethyne; N-(cyclohex-2-en-1-ylmethyl)-4-methylbenzenesulfonamide With potassium carbonate In toluene at 20℃; for 0.0833333h; Inert atmosphere; Stage #2: With 1,10-Phenanthroline; copper(ll) sulfate pentahydrate In toluene at 70℃; Inert atmosphere; | 76% |
bromoethyne
2-(4-(2-aminoethoxy)-3,5-dimethylphenyl)-5,7-dimethoxyquinazolin-4(3H)-one
N-(2-(4-(5,7-dimethoxy-4-oxo-3,4-dihydroquinazolin-2-yl)-2,6-dimethylphenoxy)ethyl)cyanamide
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In methanol; dichloromethane at 20℃; for 1h; | 74% |
bromoethyne
1-(4-trimethylsilyl)butyl imidazole
Conditions | Yield |
---|---|
With potassium iodide In chloroform at 80℃; for 16h; Inert atmosphere; | 64% |
bromoethyne
Conditions | Yield |
---|---|
With caesium carbonate In tetrahydrofuran at 20℃; for 3h; | 60% |
bromoethyne
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide; mineral oil at 10 - 35℃; for 16h; | 56.52% |
bromoethyne
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In dichloromethane; water at 20℃; for 2h; | 50% |
Conditions | Yield |
---|---|
Stage #1: bromoethyne With iodine; magnesium In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Stage #2: 4-(p-methoxyphenyl)cyclohex-3-en-1-one In tetrahydrofuran at 0 - 55℃; Inert atmosphere; | 45% |
Conditions | Yield |
---|---|
In 1,4-dioxane at 60 - 70℃; for 3h; | 25% |
bromoethyne
1-(bromoethynyl)-4-fluorobenzene
Conditions | Yield |
---|---|
With palladium diacetate In acetonitrile at 30℃; for 12h; Schlenk technique; | 21% |
bromoethyne
(Triethylstannyl)sodium
1-Brom-2-triaethylstannyl-acetylen
Conditions | Yield |
---|---|
In diethyl ether; ammonia NH3 (liquid); (C2H5)3SnNa in liq. NH3 and HCCBr in diethylether;; | 16.5% |
Conditions | Yield |
---|---|
With cobalamine | A n/a B 10% |
With cobalamine | A n/a B 10% |
Conditions | Yield |
---|---|
With hydrogen bromide |
Conditions | Yield |
---|---|
With bromine |
Conditions | Yield |
---|---|
With air; ethanol |
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