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506-68-3

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506-68-3 Cyanogen bromide((CN)Br)
Cas No: 506-68-3
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Top Quality Cyanogen bromide
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506-68-3 Usage

Uses

Reaction with C60Ph5Cl produces a novel phenylated isoquinolino[3′,4′:1,2][60]fullerene.1

Uses

Reagent for the synthesis of cyanamides.

Fire Hazard

Cyanogen bromide is not combustible itself, but impure Cyanogen bromide decomposes rapidly and tends to explode. A violent reaction may take place on contact with large quantities of acid. Vapors are highly irritating. When material is heated to decomposition, Cyanogen bromide emits very toxic fumes of cyanide and bromide. Avoid water, acids. Avoid physical damage, contact with acids or water, and store away from a location where water may be needed for fire control.

Reactivity Profile

Cyanogen bromide is not combustible itself, but impure Cyanogen bromide decomposes rapidly and tends to explode. A violent reaction may take place on contact with large quantities of acid. Avoid physical damage, contact with acids or water, and store away from a location where water may be needed for fire control. [EPA, 1998]. Benzene and cyanogen halides yield HCl as a byproduct (Hagedorn, F. H. Gelbke, and Federal Republic of Germany. 2002. Nitriles. In Ullman Encyclopedia of Industrial Chemistry. Wiley-VCH Verlag GmbH & Co. KGaA.).

Chemical Properties

white crystalline solid

Purification Methods

All operations with this substance should be performed in a very efficient fume cupboard-it is very POISONOUS and should be handled in small amounts. Fresh commercial material is satisfactory for nearly all purposes and does not need to be purified. It is a white crystalline solid with a strong cyanide odour. If it is reddish in colour and partly liquid or paste-like, then it is too far gone to be purified, and fresh material should be sought. It can be purified by distillation using small amounts at a time, and using a short wide-bore condenser because it readily solidifies to a crystalline white solid which may clog the condenser. An appropriate gas mask should be used when transferring the molten solid from one container to another, and the operation should be done in an efficient fume cupboard. The melting point (m 49-51o) should be measured in a sealed tube. [Hartman & Dreger Org Synth Coll Vol II 150 1948.]

Health Hazard

Super toxic; probable oral lethal dose in humans is less than 5 mg/kg or a taste (less than 7 drops) for a 70 kg (150 lb.) person. Vapors are highly irritant and very poisonous. Individuals with chronic diseases of the kidneys, respiratory tract, skin, or thyroid are at greater risk of developing toxic cyanide effects.

Air & Water Reactions

Cyanogen bromide is slightly soluble in water. Cyanogen bromide is gradually decomposed by water and very rapidly by acids to give off hydrogen bromide, a poison gas.

General Description

Cyanogen bromide is a colorless to white crystalline solid with a penetrating odor. Cyanogen bromide is slightly soluble in water. Cyanogen bromide is gradually decomposed by water and very rapidly by acids to give off hydrogen bromide, a flammable and poisonous gas. Contamination with many materials can cause rapid decomposition of the material. Cyanogen bromide is toxic by inhalation of its vapors or by the hydrogen cyanide from decomposition or by ingestion. Toxic oxides of nitrogen are produced in fire involving Cyanogen bromide. Cyanogen bromide is used in gold extraction, to make other chemicals, and as a fumigant.
InChI:InChI=1/CBrN/c2-1-3

506-68-3 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Alfa Aesar (32731)  Cyanogen bromide    506-68-3 100g 820.0CNY Detail
Alfa Aesar (32731)  Cyanogen bromide    506-68-3 25g 214.0CNY Detail
Alfa Aesar (32731)  Cyanogen bromide    506-68-3 5g 88.0CNY Detail

506-68-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name Cyanogen bromide solution

1.2 Other means of identification

Product number -
Other names carbononitridic bromide

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:506-68-3 SDS

506-68-3Synthetic route

Thiocyanate
302-04-5

Thiocyanate

hypobromite

hypobromite

A

bromocyane
506-68-3

bromocyane

B

bromide
10097-32-2

bromide

C

Sulfate
14808-79-8

Sulfate

Conditions
ConditionsYield
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
302-04-5

Thiocyanate

water
7732-18-5

water

CH3C6H4SO2NBr(1-)

CH3C6H4SO2NBr(1-)

A

bromocyane
506-68-3

bromocyane

B

bromide
10097-32-2

bromide

C

Sulfate
14808-79-8

Sulfate

D

toluene-4-sulfonamide
70-55-3

toluene-4-sulfonamide

Conditions
ConditionsYield
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
7732-18-5

water

potassium thioacyanate
333-20-0

potassium thioacyanate

bromamine T
41085-71-6

bromamine T

A

bromocyane
506-68-3

bromocyane

B

bromide
10097-32-2

bromide

C

Sulfate
14808-79-8

Sulfate

D

toluene-4-sulfonamide
70-55-3

toluene-4-sulfonamide

Conditions
ConditionsYield
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
sodium hypobromide

sodium hypobromide

potassium thioacyanate
333-20-0

potassium thioacyanate

A

bromocyane
506-68-3

bromocyane

B

bromide
10097-32-2

bromide

C

Sulfate
14808-79-8

Sulfate

Conditions
ConditionsYield
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
128-08-5

N-Bromosuccinimide

mercury(II) diacetate
1600-27-7

mercury(II) diacetate

potassium thioacyanate
333-20-0

potassium thioacyanate

A

Succinimide
123-56-8

Succinimide

B

bromocyane
506-68-3

bromocyane

C

bromide
10097-32-2

bromide

D

Sulfate
14808-79-8

Sulfate

E

hydrogen cation

hydrogen cation

Conditions
ConditionsYield
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
ammonium bromide

ammonium bromide

hydrogen cyanide
74-90-8

hydrogen cyanide

bromocyane
506-68-3

bromocyane

Conditions
ConditionsYield
In water Electrolysis; potential: 3.2 V;current density:929 A/dm2; molar ratio: 1-1;89%
sodium cyanide
773837-37-9

sodium cyanide

bromocyane
506-68-3

bromocyane

Conditions
ConditionsYield
With bromine In water89%
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;
potassium cyanide

potassium cyanide

bromocyane
506-68-3

bromocyane

Conditions
ConditionsYield
With bromine; potassium bromide In water at 0 - 5℃; for 0.0866667h; Flow reactor;72%
2H-1,2-oxazine
289-82-7

2H-1,2-oxazine

(S)-3-amino-2,2,4-trifluoro-3-(2-fluoro-phenyl)-butan-1-ol
1415915-00-2

(S)-3-amino-2,2,4-trifluoro-3-(2-fluoro-phenyl)-butan-1-ol

A

bromocyane
506-68-3

bromocyane

B

(S)-5,5-difluoro-4-fluoromethyl-4-(2-fluoro-phenyl)-5,6-dihydro-4H-[1,3]oxazin-2-ylamine
1415915-01-3

(S)-5,5-difluoro-4-fluoromethyl-4-(2-fluoro-phenyl)-5,6-dihydro-4H-[1,3]oxazin-2-ylamine

Conditions
ConditionsYield
A n/a
B 41%
dibromo-dinitro-methane
2973-00-4

dibromo-dinitro-methane

potassium cyanide
151-50-8

potassium cyanide

bromocyane
506-68-3

bromocyane

Conditions
ConditionsYield
With ethanol
1,1,2-tribromotrinitroethane
54284-91-2

1,1,2-tribromotrinitroethane

potassium cyanide
151-50-8

potassium cyanide

bromocyane
506-68-3

bromocyane

Conditions
ConditionsYield
With water
1,1,2-tribromotrinitroethane
54284-91-2

1,1,2-tribromotrinitroethane

potassium cyanide
151-50-8

potassium cyanide

A

bromocyane
506-68-3

bromocyane

B

methylammonium carbonate
15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

1-bromo-1-phenyl-1λ5-arsinane-1-carbonitrile

1-bromo-1-phenyl-1λ5-arsinane-1-carbonitrile

A

1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

B

bromocyane
506-68-3

bromocyane

Conditions
ConditionsYield
beim Leiten von Bromdampf ueber die Schmelze;
sodium cyanide
143-33-9

sodium cyanide

bromocyane
506-68-3

bromocyane

Conditions
ConditionsYield
With sulfuric acid; bromine
With bromine
With sodium chlorate; sulfuric acid; sodium bromide
With bromine In water at 0 - 30℃;
potassium thioacyanate
333-20-0

potassium thioacyanate

bromocyane
506-68-3

bromocyane

Conditions
ConditionsYield
With water; bromine
cyanogen bromide; compound with antimony tribromoide

cyanogen bromide; compound with antimony tribromoide

bromocyane
506-68-3

bromocyane

Conditions
ConditionsYield
at 190 - 230℃;
With acids
190 °C;
cyanogen bromide; compound with arsenic tribromoide

cyanogen bromide; compound with arsenic tribromoide

bromocyane
506-68-3

bromocyane

potassium cyanide
151-50-8

potassium cyanide

bromocyane
506-68-3

bromocyane

Conditions
ConditionsYield
With water; bromine at 0℃;
With water; bromine at 0℃; Darst.;
2 iron(II) bromide * cyanogen bromide

2 iron(II) bromide * cyanogen bromide

bromocyane
506-68-3

bromocyane

Conditions
ConditionsYield
Oxydation;
cyanogen bromide; compound with cyanogen and iron-bromidene

cyanogen bromide; compound with cyanogen and iron-bromidene

A

bromocyane
506-68-3

bromocyane

B

ethanedinitrile
460-19-5

ethanedinitrile

Conditions
ConditionsYield
at 100℃;
2-hydroxy-2H-quinoline-1-carbonitrile
941-87-7

2-hydroxy-2H-quinoline-1-carbonitrile

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

bromocyane
506-68-3

bromocyane

5,5-dibromobarbituric acid
511-67-1

5,5-dibromobarbituric acid

aqueous hydrocyanic acid-solution

aqueous hydrocyanic acid-solution

A

5-bromobarbituric acid
19645-78-4

5-bromobarbituric acid

B

bromocyane
506-68-3

bromocyane

1-ethyl-1-bromo-1λ5-arsinane-1-carbonitrile

1-ethyl-1-bromo-1λ5-arsinane-1-carbonitrile

A

ethyl bromide
74-96-4

ethyl bromide

B

bromocyane
506-68-3

bromocyane

C

as-ethyl-pentamethylenarsine

as-ethyl-pentamethylenarsine

Conditions
ConditionsYield
at 75℃;
hydrogen cyanide
74-90-8

hydrogen cyanide

bromine
7726-95-6

bromine

benzene
71-43-2

benzene

bromocyane
506-68-3

bromocyane

alkali cyanide

alkali cyanide

bromocyane
506-68-3

bromocyane

Conditions
ConditionsYield
With alkali bromate; alkali bromide; sulfuric acid
With bromine
hydrogen cyanide
74-90-8

hydrogen cyanide

acid

acid

bromate bromide mixture

bromate bromide mixture

bromocyane
506-68-3

bromocyane

thiocyanic acid
463-56-9

thiocyanic acid

bromine water

bromine water

bromocyane
506-68-3

bromocyane

hydrogen cyanide
74-90-8

hydrogen cyanide

acid

acid

bromine water

bromine water

bromocyane
506-68-3

bromocyane

mercury cyanide

mercury cyanide

bromocyane
506-68-3

bromocyane

Conditions
ConditionsYield
With bromine unter Kuehlung;
piperidine
110-89-4

piperidine

bromocyane
506-68-3

bromocyane

1-piperidinylcarbonnitrile
1530-87-6

1-piperidinylcarbonnitrile

Conditions
ConditionsYield
100%
With triethylamine In diethyl ether at 0℃;81%
With potassium hydroxide In diethyl ether at 10℃; Condensation;50%
morpholine
110-91-8

morpholine

bromocyane
506-68-3

bromocyane

N-cyanomorpholine
1530-89-8

N-cyanomorpholine

Conditions
ConditionsYield
100%
With sodium hydrogencarbonate In dichloromethane; water at 0 - 20℃;86.5%
With triethylamine In diethyl ether at 0℃;82%
1,2,3,4-tetrahydroisoquinoline
635-46-1

1,2,3,4-tetrahydroisoquinoline

bromocyane
506-68-3

bromocyane

N-cyano-tetrahydro quinoline
1530-84-3

N-cyano-tetrahydro quinoline

Conditions
ConditionsYield
100%
With benzene
bromocyane
506-68-3

bromocyane

1-Heptylamine
111-68-2

1-Heptylamine

heptyl cyanamide
87888-05-9

heptyl cyanamide

Conditions
ConditionsYield
100%
With diethyl ether
bromocyane
506-68-3

bromocyane

sodium 2-mercaptobenzothiazole
2492-26-4

sodium 2-mercaptobenzothiazole

benzo[d]thiazol-2-yl thiocyanate
6011-99-0

benzo[d]thiazol-2-yl thiocyanate

Conditions
ConditionsYield
Ambient temperature;100%
With water
With ethanol
With ethanol
With water
bromocyane
506-68-3

bromocyane

4-chloro-aniline
106-47-8

4-chloro-aniline

N-(4-chlorophenyl)cyanamide
13463-94-0

N-(4-chlorophenyl)cyanamide

Conditions
ConditionsYield
With trimethylamine Ambient temperature;100%
With sodium hydrogencarbonate In benzene at 20℃; for 2h;93%
In methanol75%
bromocyane
506-68-3

bromocyane

benzoic acid hydrazide
613-94-5

benzoic acid hydrazide

2-amino-5-phenyl-1,3,4-oxadiazole
1612-76-6

2-amino-5-phenyl-1,3,4-oxadiazole

Conditions
ConditionsYield
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%
bromocyane
506-68-3

bromocyane

diphenylamine
122-39-4

diphenylamine

diphenylcyanamide
27779-01-7

diphenylcyanamide

Conditions
ConditionsYield
With trimethylamine Ambient temperature;100%
With magnesium carbonate In water; acetonitrile for 288h; Heating;54%
bromocyane
506-68-3

bromocyane

hexan-1-amine
111-26-2

hexan-1-amine

n-hexylcyanamide
15784-76-6

n-hexylcyanamide

Conditions
ConditionsYield
100%
In tetrahydrofuran; diethyl ether at 0℃; for 3.5h; Inert atmosphere;80%
With sodium carbonate In tetrahydrofuran at -20 - 0℃;
bromocyane
506-68-3

bromocyane

p-toluic hydrazide
3619-22-5

p-toluic hydrazide

2-amino-5-(4-methylphenyl)-1,3,4-oxadiazole
33621-60-2

2-amino-5-(4-methylphenyl)-1,3,4-oxadiazole

Conditions
ConditionsYield
Ambient temperature;100%
In ethanol at 20℃; Inert atmosphere;80%
In methanol
4-methylpiperidin
626-58-4

4-methylpiperidin

bromocyane
506-68-3

bromocyane

4-methylpiperidine-1-carbonitrile
20696-86-0

4-methylpiperidine-1-carbonitrile

Conditions
ConditionsYield
100%
With sodium hydrogencarbonate In dichloromethane; water at 0 - 20℃; for 0.5h;98.3%
methanol
67-56-1

methanol

bromocyane
506-68-3

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
23172-93-2, 112529-40-5

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
112459-12-8

C24H29N3O4

Conditions
ConditionsYield
With sodium carbonate In chloroform for 1h; Ambient temperature;100%
1-indoline
496-15-1

1-indoline

bromocyane
506-68-3

bromocyane

N-cyano-indoline
90036-14-9

N-cyano-indoline

Conditions
ConditionsYield
100%
1,2,3,4-tetrahydroisoquinoline
91-21-4

1,2,3,4-tetrahydroisoquinoline

bromocyane
506-68-3

bromocyane

3,4-dihydro-2(1H)-isoquinolinecarbonitrile
1705-22-2

3,4-dihydro-2(1H)-isoquinolinecarbonitrile

Conditions
ConditionsYield
100%
n-Dodecylamine
124-22-1

n-Dodecylamine

bromocyane
506-68-3

bromocyane

dodecyl cyanamide
13463-96-2

dodecyl cyanamide

Conditions
ConditionsYield
100%
hexadecylamine
143-27-1

hexadecylamine

bromocyane
506-68-3

bromocyane

hexadecyl cyanamide
97226-87-4

hexadecyl cyanamide

Conditions
ConditionsYield
100%
bromocyane
506-68-3

bromocyane

n-Nonylamin
112-20-9

n-Nonylamin

nonyl cyanamide
97226-84-1

nonyl cyanamide

Conditions
ConditionsYield
100%
bromocyane
506-68-3

bromocyane

N-cyclohexylisopropylamine
1195-42-2

N-cyclohexylisopropylamine

N-isopropyl cyclohexyl cyanamide
97226-89-6

N-isopropyl cyclohexyl cyanamide

Conditions
ConditionsYield
100%
bromocyane
506-68-3

bromocyane

2,5-Dimethyl-1,4-phenylenediamine
6393-01-7

2,5-Dimethyl-1,4-phenylenediamine

N,N'-(2,5-Dimethyl-1,4-phenylene)bis(cyanamide)
98515-30-1

N,N'-(2,5-Dimethyl-1,4-phenylene)bis(cyanamide)

Conditions
ConditionsYield
With sodium hydrogencarbonate In water100%
bromocyane
506-68-3

bromocyane

N-(5-chloro-2-hydroxyphenyl)anthranilic acid
54475-81-9

N-(5-chloro-2-hydroxyphenyl)anthranilic acid

10-chloro-5H-benzoxazolo<3,2-a>quinazolin-5-one
78460-70-5

10-chloro-5H-benzoxazolo<3,2-a>quinazolin-5-one

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran100%
bromocyane
506-68-3

bromocyane

N-(2-hydroxy-5-methylphenyl)anthranilic acid
78460-67-0

N-(2-hydroxy-5-methylphenyl)anthranilic acid

10-methyl-5H-benzoxazolo<3,2-a>quinazolin-5-one
78460-71-6

10-methyl-5H-benzoxazolo<3,2-a>quinazolin-5-one

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran100%
bromocyane
506-68-3

bromocyane

cyclohexylamine
108-91-8

cyclohexylamine

N-cyanocyclohexylamine
4421-48-1

N-cyanocyclohexylamine

Conditions
ConditionsYield
100%
In diethyl ether; tetrahydrofyran at 0℃; for 1h;96%
With triethylamine In diethyl ether at 0℃;88%
bromocyane
506-68-3

bromocyane

4-methoxy-aniline
104-94-9

4-methoxy-aniline

N-(4-methoxyphenyl)cyanamide
13519-16-9

N-(4-methoxyphenyl)cyanamide

Conditions
ConditionsYield
With trimethylamine Ambient temperature;100%
With sodium hydrogencarbonate In benzene at 20℃; for 2h;90%
In ethanol; water for 0.5h;36%
bromocyane
506-68-3

bromocyane

2-Methylpiperidin
109-05-7, 3000-79-1

2-Methylpiperidin

2-methylpiperidine-1-carbonitrile
5321-87-9

2-methylpiperidine-1-carbonitrile

Conditions
ConditionsYield
100%
bromocyane
506-68-3

bromocyane

2.6-dimethylpiperidine
504-03-0

2.6-dimethylpiperidine

N-cyano-2,6-dimethyl piperidine
97226-77-2

N-cyano-2,6-dimethyl piperidine

Conditions
ConditionsYield
100%
bromocyane
506-68-3

bromocyane

1,2:5,6-di-O-isopropylidene-D-mannitol
1707-77-3

1,2:5,6-di-O-isopropylidene-D-mannitol

1,2;5,6-di-O-isopropylidene-D-mannitol-3,4-iminocarbonate
68244-18-8

1,2;5,6-di-O-isopropylidene-D-mannitol-3,4-iminocarbonate

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; hexane for 1.5h;100%
bromocyane
506-68-3

bromocyane

phenol
108-95-2

phenol

phenyl cyanate
1122-85-6

phenyl cyanate

Conditions
ConditionsYield
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
506-68-3

bromocyane

4-amino-5-(thiophen-2-yl)-4H-1,2,4-triazole-3-thiol
61019-27-0

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
80809-42-3

3-(2-thienyl)-6-amino-s-triazolo<3,4-b>-1,3,4-thiadiazole

Conditions
ConditionsYield
In ethanol Heating;100%
2,3-dihydro-7-hydroxy-6-methoxy-2,2-dimethyl-4H-1-benzopyran-4-one
74094-45-4

2,3-dihydro-7-hydroxy-6-methoxy-2,2-dimethyl-4H-1-benzopyran-4-one

bromocyane
506-68-3

bromocyane

7-Cyanato-6-methoxy-2,2-dimethyl-chroman-4-one
159151-12-9

7-Cyanato-6-methoxy-2,2-dimethyl-chroman-4-one

Conditions
ConditionsYield
With triethylamine In diethyl ether at -5℃; for 0.25h;100%
2,3-dihydro-7-hydroxy-2,2,8-trimethyl-4H-benzopyran-4-one
50544-72-4

2,3-dihydro-7-hydroxy-2,2,8-trimethyl-4H-benzopyran-4-one

bromocyane
506-68-3

bromocyane

7-Cyanato-2,2,8-trimethyl-chroman-4-one
159151-10-7

7-Cyanato-2,2,8-trimethyl-chroman-4-one

Conditions
ConditionsYield
With triethylamine In diethyl ether at -5℃; for 0.25h;100%

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