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Cyanogen bromide CAS NO.506-68-3 Application:Cyanogen bromide CAS NO.506-68-3
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Nanjing Chemlin Chemical Industry Co., Ltd was established in Aug,1999, located in the industrial park of Nanjing University of Technology, It is a private enterprises in Jiangsu Province with 1200 square meters’ R&D center. Our R&D center has a well
Conditions | Yield |
---|---|
With sodium hydroxide; sodium perchlorate In water Kinetics; Rapid addn. of thermostated aq. NaOBr soln. to aq. NaClO4 soln. contg. SCN(1-) and NaOH, 293-313 K; Monitored by iodometric estimation of unreacted OBr(1-), react. mechanism discussed.; | A 94% B n/a C 95% |
Thiocyanate
water
A
bromocyane
B
bromide
C
Sulfate
D
toluene-4-sulfonamide
Conditions | Yield |
---|---|
With sodium hydroxide; sodium perchlorate In water Kinetics; Rapid addn. of thermostated aq. bromamine-T soln. to aq. NaClO4 soln. contg. SCN(1-) and NaOH, 303 K; Monitored by iodometric estimation of unreacted bromamin-T, react. mechanism discussed.; | A 94% B n/a C 95% D n/a |
water
potassium thioacyanate
bromamine T
A
bromocyane
B
bromide
C
Sulfate
D
toluene-4-sulfonamide
Conditions | Yield |
---|---|
With sodium hydroxide; sodium perchlorate In water Kinetics; Rapid addn. of thermostated aq. bromamine-T soln. to aq. NaClO4 soln. contg. SCN(1-) and NaOH, 303 K; Monitored by iodometric estimation of unreacted bromamin-T, react. mechanism discussed.; | A 94% B n/a C 95% D n/a |
Conditions | Yield |
---|---|
With sodium hydroxide; sodium perchlorate In water Kinetics; Rapid addn. of thermostated aq. NaOBr soln. to aq. NaClO4 soln. contg. SCN(1-) and NaOH, 293-313 K; Monitored by iodometric estimation of unreacted OBr(1-), react. mechanism discussed.; | A 94% B n/a C 95% |
N-Bromosuccinimide
mercury(II) diacetate
potassium thioacyanate
A
Succinimide
B
bromocyane
C
bromide
D
Sulfate
Conditions | Yield |
---|---|
With sodium hydroxide In methanol; water Kinetics; oxidation of SCN(1-) by NBS in aq. methanol in presence of mercuric acetate and NaOH at 303 K; gravimetric and iodometric methods; | A n/a B 94% C n/a D 94% E n/a |
With perchloric acid In methanol; water Kinetics; oxidation of SCN(1-) by NBS in aq. methanol in presence of mercuric acetate and HClO4 at 273 K; gravimetric and iodometric methods; | A n/a B 94% C n/a D 94% E n/a |
Conditions | Yield |
---|---|
In water Electrolysis; potential: 3.2 V;current density:929 A/dm2; molar ratio: 1-1; | 89% |
sodium cyanide
bromocyane
Conditions | Yield |
---|---|
With bromine In water | 89% |
Stage #1: sodium cyanide With hydrogenchloride In water at 0 - 5℃; for 0.166667h; Stage #2: With bromine In water at 0 - 5℃; for 1.3h; pH=< 7; Time; | |
With bromine In water at -5 - 5℃; | |
With bromine In methanol at 1℃; for 0h; Inert atmosphere; |
bromocyane
Conditions | Yield |
---|---|
With bromine; potassium bromide In water at 0 - 5℃; for 0.0866667h; Flow reactor; | 72% |
2H-1,2-oxazine
(S)-3-amino-2,2,4-trifluoro-3-(2-fluoro-phenyl)-butan-1-ol
A
bromocyane
B
(S)-5,5-difluoro-4-fluoromethyl-4-(2-fluoro-phenyl)-5,6-dihydro-4H-[1,3]oxazin-2-ylamine
Conditions | Yield |
---|---|
A n/a B 41% |
Conditions | Yield |
---|---|
With ethanol |
Conditions | Yield |
---|---|
With water |
1,1,2-tribromotrinitroethane
potassium cyanide
A
bromocyane
B
methylammonium carbonate
Conditions | Yield |
---|---|
beim Leiten von Bromdampf ueber die Schmelze; |
Conditions | Yield |
---|---|
With sulfuric acid; bromine | |
With bromine | |
With sodium chlorate; sulfuric acid; sodium bromide | |
With bromine In water at 0 - 30℃; |
Conditions | Yield |
---|---|
With water; bromine |
bromocyane
Conditions | Yield |
---|---|
at 190 - 230℃; | |
With acids | |
190 °C; |
bromocyane
Conditions | Yield |
---|---|
With water; bromine at 0℃; | |
With water; bromine at 0℃; Darst.; |
bromocyane
Conditions | Yield |
---|---|
Oxydation; |
Conditions | Yield |
---|---|
at 100℃; |
2-hydroxy-2H-quinoline-1-carbonitrile
hydrogen bromide
bromocyane
bromocyane
Conditions | Yield |
---|---|
With alkali bromate; alkali bromide; sulfuric acid | |
With bromine |
bromocyane
Conditions | Yield |
---|---|
With bromine unter Kuehlung; |
Conditions | Yield |
---|---|
100% | |
With triethylamine In diethyl ether at 0℃; | 81% |
With potassium hydroxide In diethyl ether at 10℃; Condensation; | 50% |
Conditions | Yield |
---|---|
100% | |
With sodium hydrogencarbonate In dichloromethane; water at 0 - 20℃; | 86.5% |
With triethylamine In diethyl ether at 0℃; | 82% |
Conditions | Yield |
---|---|
100% | |
With benzene |
Conditions | Yield |
---|---|
100% | |
With diethyl ether |
bromocyane
sodium 2-mercaptobenzothiazole
benzo[d]thiazol-2-yl thiocyanate
Conditions | Yield |
---|---|
Ambient temperature; | 100% |
With water | |
With ethanol | |
With ethanol | |
With water |
Conditions | Yield |
---|---|
With trimethylamine Ambient temperature; | 100% |
With sodium hydrogencarbonate In benzene at 20℃; for 2h; | 93% |
In methanol | 75% |
Conditions | Yield |
---|---|
Ambient temperature; | 100% |
Stage #1: bromocyane With 1,2,3-Benzotriazole Stage #2: benzoic acid hydrazide In tetrahydrofuran for 3h; Heating; | 94% |
In methanol for 4h; Reflux; | 62% |
Conditions | Yield |
---|---|
With trimethylamine Ambient temperature; | 100% |
With magnesium carbonate In water; acetonitrile for 288h; Heating; | 54% |
Conditions | Yield |
---|---|
100% | |
In tetrahydrofuran; diethyl ether at 0℃; for 3.5h; Inert atmosphere; | 80% |
With sodium carbonate In tetrahydrofuran at -20 - 0℃; |
bromocyane
p-toluic hydrazide
2-amino-5-(4-methylphenyl)-1,3,4-oxadiazole
Conditions | Yield |
---|---|
Ambient temperature; | 100% |
In ethanol at 20℃; Inert atmosphere; | 80% |
In methanol |
Conditions | Yield |
---|---|
100% | |
With sodium hydrogencarbonate In dichloromethane; water at 0 - 20℃; for 0.5h; | 98.3% |
methanol
bromocyane
Acetic acid (2R,6S,13R)-3-eth-(E)-ylidene-10-methoxy-1,3,4,7,12,12b-hexahydro-2H,6H-2,6-methano-indolo[2,3-a]quinolizin-13-ylmethyl ester
C24H29N3O4
Conditions | Yield |
---|---|
With sodium carbonate In chloroform for 1h; Ambient temperature; | 100% |
Conditions | Yield |
---|---|
100% |
1,2,3,4-tetrahydroisoquinoline
bromocyane
3,4-dihydro-2(1H)-isoquinolinecarbonitrile
Conditions | Yield |
---|---|
100% |
Conditions | Yield |
---|---|
100% |
Conditions | Yield |
---|---|
100% |
Conditions | Yield |
---|---|
100% |
bromocyane
N-cyclohexylisopropylamine
N-isopropyl cyclohexyl cyanamide
Conditions | Yield |
---|---|
100% |
bromocyane
2,5-Dimethyl-1,4-phenylenediamine
N,N'-(2,5-Dimethyl-1,4-phenylene)bis(cyanamide)
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In water | 100% |
bromocyane
N-(5-chloro-2-hydroxyphenyl)anthranilic acid
10-chloro-5H-benzoxazolo<3,2-a>quinazolin-5-one
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran | 100% |
bromocyane
N-(2-hydroxy-5-methylphenyl)anthranilic acid
10-methyl-5H-benzoxazolo<3,2-a>quinazolin-5-one
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran | 100% |
Conditions | Yield |
---|---|
100% | |
In diethyl ether; tetrahydrofyran at 0℃; for 1h; | 96% |
With triethylamine In diethyl ether at 0℃; | 88% |
Conditions | Yield |
---|---|
With trimethylamine Ambient temperature; | 100% |
With sodium hydrogencarbonate In benzene at 20℃; for 2h; | 90% |
In ethanol; water for 0.5h; | 36% |
bromocyane
2-Methylpiperidin
2-methylpiperidine-1-carbonitrile
Conditions | Yield |
---|---|
100% |
Conditions | Yield |
---|---|
100% |
bromocyane
1,2:5,6-di-O-isopropylidene-D-mannitol
1,2;5,6-di-O-isopropylidene-D-mannitol-3,4-iminocarbonate
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; hexane for 1.5h; | 100% |
Conditions | Yield |
---|---|
With triethylamine In diethyl ether at -10℃; for 1h; | 100% |
With triethylamine In diethyl ether at 0℃; for 0.5h; | 87% |
With triethylamine In tetrachloromethane; water Cooling; | 85% |
bromocyane
4-amino-5-(thiophen-2-yl)-4H-1,2,4-triazole-3-thiol
3-(2-thienyl)-6-amino-s-triazolo<3,4-b>-1,3,4-thiadiazole
Conditions | Yield |
---|---|
In ethanol Heating; | 100% |
2,3-dihydro-7-hydroxy-6-methoxy-2,2-dimethyl-4H-1-benzopyran-4-one
bromocyane
7-Cyanato-6-methoxy-2,2-dimethyl-chroman-4-one
Conditions | Yield |
---|---|
With triethylamine In diethyl ether at -5℃; for 0.25h; | 100% |
2,3-dihydro-7-hydroxy-2,2,8-trimethyl-4H-benzopyran-4-one
bromocyane
7-Cyanato-2,2,8-trimethyl-chroman-4-one
Conditions | Yield |
---|---|
With triethylamine In diethyl ether at -5℃; for 0.25h; | 100% |
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