Product Name

  • Name

    1,2-Cyclohexanedione

  • EINECS 212-155-3
  • CAS No. 765-87-7
  • Article Data130
  • CAS DataBase
  • Density 1.127 g/cm3
  • Solubility soluble in water
  • Melting Point 35 °C
  • Formula C6H8O2
  • Boiling Point 194 °C at 760 mmHg
  • Molecular Weight 112.128
  • Flash Point 66.9 °C
  • Transport Information
  • Appearance clear yellow liquid after melting
  • Safety 24/25
  • Risk Codes 22
  • Molecular Structure Molecular Structure of 765-87-7 (1,2-Cyclohexanedione)
  • Hazard Symbols IrritantXi,HarmfulXn
  • Synonyms 1,2-Dioxocyclohexane;NSC 32950;NSC 627435;
  • PSA 34.14000
  • LogP 0.69860

Synthetic route

2-methoxycyclohexanone
7429-44-9

2-methoxycyclohexanone

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
Stage #1: 2-methoxycyclohexanone With propyl cyanide at 47℃; for 0.833333h;
Stage #2: In dimethyl sulfoxide for 1.33333h;
Stage #3: With sodium nitrate; platinum(IV) chloride In dimethyl sulfoxide at 56℃; for 3h; Temperature;
98.3%
1,2-Cyclohexanediol
931-17-9

1,2-Cyclohexanediol

A

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

B

cyclohexanone-2-ol
533-60-8

cyclohexanone-2-ol

Conditions
ConditionsYield
With sodium bromate; sodium hydrogensulfite In water; acetonitrile at 20℃; for 2.5h; Oxidation;A 1%
B 95%
With fluorine In acetonitrile at 20℃; Baeyer-Villiger oxidation;A 30%
B 53%
cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With tert.-butylhydroperoxide In decane; acetonitrile at 65℃; for 2.5h;93%
With tert.-butylhydroperoxide; thiourea S,S-dioxide In dodecane; acetonitrile at 65℃; for 4.5h;90%
With tert.-butylhydroperoxide In decane; acetonitrile at 65℃; for 0.5h;78%
1,2-Cyclohexanediol
931-17-9

1,2-Cyclohexanediol

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With N-methylpyrrolidine-2-one hydrotribromide; dihydrogen peroxide In acetonitrile for 0.5h; Heating;91%
With tert.-butylhydroperoxide; iron(III) chloride; thymidyl acetic acid In decane; acetonitrile at 80℃; for 16h;80%
With tetraphenylphosphonium monoperoxysulfate; 2-Iodobenzoic acid In 1,2-dichloro-ethane at 80℃; for 12h;79%
2,2-dimethoxycyclohexanol
63703-34-4

2,2-dimethoxycyclohexanol

A

2,2-dimethoxycyclohexanone
38461-13-1

2,2-dimethoxycyclohexanone

B

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With silverA n/a
B 88.5%
cyclohexanone
108-94-1

cyclohexanone

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With iron(III) chloride; dimethyl sulfoxide at 100℃; for 3h;85%
With iodine In water; acetonitrile at 40℃; for 2h; Solvent; Temperature;81%
With 2,2,6,6-tetramethylpiperidin-1-oxoammonium chloride; toluene-4-sulfonic acid75%
1,2-cyclohexanedionedioxime
492-99-9

1,2-cyclohexanedionedioxime

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With silica gel; copper(II) nitrate In tetrachloromethane at 25℃; for 0.833333h;85%
With [(hydrotris(3,5-diphenyl-pyrazol-1-yl)borate)FeII(benzilate)]; oxygen In benzene for 0.333333h;
[(hydrotris(3,5-diphenylpyrazol-1-yl)borate)FeII(HCH)] * bis(methanol)

[(hydrotris(3,5-diphenylpyrazol-1-yl)borate)FeII(HCH)] * bis(methanol)

A

Adipic acid
124-04-9

Adipic acid

B

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With oxygen In benzene at 10℃; for 1h; Kinetics; Reagent/catalyst;A 85%
B 13%
3-Chloro-N-(2-hydroxy-phenyl)-N-(6-oxo-cyclohex-1-enyl)-benzamide
85969-41-1

3-Chloro-N-(2-hydroxy-phenyl)-N-(6-oxo-cyclohex-1-enyl)-benzamide

A

o-phenol
78154-49-1

o-phenol

B

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With silica gel In dichloromethane for 2.5h; Ambient temperature;A 82%
B 77%
cis-1,2-cyclohexane
1792-81-0

cis-1,2-cyclohexane

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In dimethyl sulfoxide for 3.5h; Ambient temperature;81%
2-(methylthio)cyclohexanone
52190-35-9

2-(methylthio)cyclohexanone

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With CuCl2-CuO In water; acetone at 35℃; for 0.5h;80%
With copper(II) oxide; copper dichloride In water; acetone at 35℃; for 0.5h;80%
/PBGNG010-1230/

/PBGNG010-1230/

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In dimethyl sulfoxide for 5h; Ambient temperature;78%
1-(1-Ethoxy-2-oxocyclohexyl)-4-phenyl-1,2,4-triazolidin-3,5-dion
79532-62-0

1-(1-Ethoxy-2-oxocyclohexyl)-4-phenyl-1,2,4-triazolidin-3,5-dion

A

4-Phenylurazole
15988-11-1

4-Phenylurazole

B

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With hydrogenchloride; water In 1,4-dioxane for 1.5h; Heating;A 75%
B 75%
1,2-Cyclohexanediol
931-17-9

1,2-Cyclohexanediol

A

Adipic acid
124-04-9

Adipic acid

B

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

C

cyclohexanone-2-ol
533-60-8

cyclohexanone-2-ol

Conditions
ConditionsYield
With sodium bromate; sodium hydrogensulfite In dichloromethane; water; acetonitrile at 20℃; for 3h; Oxidation;A 13%
B 74%
C 8%
With sodium bromate; sodium hydrogensulfite In water; acetonitrile at 20℃; for 2h; Oxidation;A 18%
B 19%
C 51%
With 2O34W9Zn(12-)*W(6+)*3Zn(2+)*2H2O; dihydrogen peroxide In water; acetonitrile at 135℃; under 2250.23 Torr; for 0.25h; Microwave irradiation;
/PREBE154--190/

/PREBE154--190/

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With 1,1'-carbonyldiimidazole In dichloromethane for 5h; Ambient temperature;74%
cyclohexane-1,2-epoxide
286-20-4

cyclohexane-1,2-epoxide

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With oxygen; copper(II) bis(trifluoromethanesulfonate); dimethyl sulfoxide; bismuth at 100℃; for 2h;74%
trans-1,2-cyclohexandiol
1460-57-7

trans-1,2-cyclohexandiol

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With pyridine; N-Bromosuccinimide In tetrachloromethane for 1.5h; Heating;74%
cyclohexane-1,2-dione monooxime
24858-28-4

cyclohexane-1,2-dione monooxime

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With silica gel; copper(II) nitrate In tetrachloromethane for 0.833333h; Heating;72%
2-bromocyclohexanone
1056477-06-5

2-bromocyclohexanone

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With potassium fluoride; dimethyl sulfoxide at 85℃; for 5h;65%
1,4,7,10-tetrathia-dispiro[4.0.4.4]tetradecane
158-97-4

1,4,7,10-tetrathia-dispiro[4.0.4.4]tetradecane

A

6-oxospiro
27694-08-2

6-oxospiro

B

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With water; 1-fluoro-2,4,6-trimethylpyridinium trifluoromethanesulfonate In tetrahydrofuran; dichloromethane at 23℃;A 65%
B 15%
cis-1,2-cyclohexane
1792-81-0

cis-1,2-cyclohexane

A

hexanedial
1072-21-5

hexanedial

B

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

C

cyclohexanone-2-ol
533-60-8

cyclohexanone-2-ol

Conditions
ConditionsYield
With oxygen; [(n-Bu)4N]3H2[IMo6O24] In acetonitrile at 80℃; under 1520.1 Torr; for 5h;A 5%
B 31%
C 64%
1,4-dioxaspiro[4.5]decan-6-one
4746-96-7

1,4-dioxaspiro[4.5]decan-6-one

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With sulfuric acid; silica gel In dichloromethane for 24h; Ambient temperature;63%
methanol
67-56-1

methanol

2-diazocyclohexanone
3242-56-6

2-diazocyclohexanone

A

hexanedioic acid dimethyl ester
627-93-0

hexanedioic acid dimethyl ester

B

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With oxygen; methylene blue Irradiation;A 60%
B 25%
2-diazocyclohexanone
3242-56-6

2-diazocyclohexanone

A

hexanedioic acid dimethyl ester
627-93-0

hexanedioic acid dimethyl ester

B

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With oxygen; methylene blue In methanol Irradiation;A 60%
B 25%
trans-1,2-cyclohexandiol
1460-57-7

trans-1,2-cyclohexandiol

A

hexanedial
1072-21-5

hexanedial

B

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

C

cyclohexanone-2-ol
533-60-8

cyclohexanone-2-ol

Conditions
ConditionsYield
With oxygen; [(n-Bu)4N]3H2[IMo6O24] In acetonitrile at 80℃; under 1520.1 Torr; for 5h;A 3%
B 56%
C 41%
([(tris(6-methyl-2-pyridylmethyl)amine)FeII(HCH)]perchlorate)

([(tris(6-methyl-2-pyridylmethyl)amine)FeII(HCH)]perchlorate)

A

Adipic acid
124-04-9

Adipic acid

B

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With oxygen In acetonitrile at 25℃; for 6h; Kinetics;A 55%
B 38%
cyclohexanone-2-ol
533-60-8

cyclohexanone-2-ol

A

Adipic acid
124-04-9

Adipic acid

B

adipic anhydride
2035-75-8

adipic anhydride

C

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
With air; chromium(III)naphthenate In chlorobenzene at 50℃; Product distribution; var. catalyst;A 54%
B 43%
C 3%
trans-cyclohexane-1,2-diol

trans-cyclohexane-1,2-diol

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Conditions
ConditionsYield
Stage #1: trans-cyclohexane-1,2-diol; platinum at 90℃; for 0.166667h;
Stage #2: With dihydrogen peroxide In water at 90℃; for 20h; Product distribution / selectivity;
51%
11-hydroxytetrahydrocarbazolenine
42738-99-8

11-hydroxytetrahydrocarbazolenine

3-chloro-benzenecarboperoxoic acid
937-14-4

3-chloro-benzenecarboperoxoic acid

A

o-phenol
78154-49-1

o-phenol

B

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

C

3-Chloro-N-(2-hydroxy-phenyl)-N-(6-oxo-cyclohex-1-enyl)-benzamide
85969-41-1

3-Chloro-N-(2-hydroxy-phenyl)-N-(6-oxo-cyclohex-1-enyl)-benzamide

D

spiro[cyclopentane-1,2'-indolin]-3'-one
4669-18-5

spiro[cyclopentane-1,2'-indolin]-3'-one

Conditions
ConditionsYield
In dichloromethane at -60℃; for 1h;A 42%
B 24%
C 24%
D 8%
11-hydroxytetrahydrocarbazolenine
42738-99-8

11-hydroxytetrahydrocarbazolenine

A

o-phenol
78154-49-1

o-phenol

B

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

C

3-Chloro-N-(2-hydroxy-phenyl)-N-(6-oxo-cyclohex-1-enyl)-benzamide
85969-41-1

3-Chloro-N-(2-hydroxy-phenyl)-N-(6-oxo-cyclohex-1-enyl)-benzamide

D

spiro[cyclopentane-1,2'-indolin]-3'-one
4669-18-5

spiro[cyclopentane-1,2'-indolin]-3'-one

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at -60℃; for 1h;A 42%
B 24%
C 24%
D 8%
tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

2-{(tert-butyldimethylsilyl)oxy}cyclohex-2-en-1-one
116608-34-5

2-{(tert-butyldimethylsilyl)oxy}cyclohex-2-en-1-one

Conditions
ConditionsYield
With 1H-imidazole In dichloromethane at 20℃; for 0.5h;99%
With 1H-imidazole In dichloromethane at 23℃; for 24h; Inert atmosphere;98%
With 1H-imidazole In dichloromethane at 20℃;95%
cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

(1,2-15N2)-cyclohexane-1,2-dione dioxime

(1,2-15N2)-cyclohexane-1,2-dione dioxime

Conditions
ConditionsYield
With [15N]hydroxylamine hydrochloride; potassium carbonate In water at 20℃; for 24h;99%
vinyl magnesium bromide
1826-67-1

vinyl magnesium bromide

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

2‐hydroxy‐2‐vinylcyclohexan‐1‐one
27332-53-2

2‐hydroxy‐2‐vinylcyclohexan‐1‐one

Conditions
ConditionsYield
In tetrahydrofuran at 0℃;98%
In tetrahydrofuran at 20℃; Cooling with ice;85%
In tetrahydrofuran
In tetrahydrofuran at 0 - 20℃; Schlenk technique; Inert atmosphere;
ethanol
64-17-5

ethanol

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

2-ethoxy-2-cyclohexen-1-one
29941-82-0

2-ethoxy-2-cyclohexen-1-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid Reflux;98%
With toluene-4-sulfonic acid In toluene for 48h; Reflux;69%
With toluene-4-sulfonic acid In toluene for 48h; Reflux;66%
4-fluoro-β-nitrostyrene
5153-69-5, 706-08-1

4-fluoro-β-nitrostyrene

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

(1S,5S,6R,7S)-6-(4-fluorophenyl)-1-hydroxy-7-nitrobicyclo[3.2.1]octan-8-one
1382997-49-0

(1S,5S,6R,7S)-6-(4-fluorophenyl)-1-hydroxy-7-nitrobicyclo[3.2.1]octan-8-one

Conditions
ConditionsYield
With nickel diacetate; triethylamine; (1R,2R)-N,N'-di(4'-bromobenzyl)-1,2-diaminocyclohexane In tetrahydrofuran at 20℃; Michael-Henry reaction; optical yield given as %ee; enantioselective reaction;98%
cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

ortho-cresidine
16452-01-0

ortho-cresidine

2-[(3-methoxy-4-methylphenyl)amino]cyclohex-2-en-1-one

2-[(3-methoxy-4-methylphenyl)amino]cyclohex-2-en-1-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene at 130℃; for 4.5h; Sealed tube; Molecular sieve; Microwave irradiation;98%
cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

cyclohexanone-2-ol
533-60-8

cyclohexanone-2-ol

Conditions
ConditionsYield
With sodium chloride; zinc In methanol; water Heating;97%
With ammonium chloride; zinc In tetrahydrofuran at 20℃; for 0.75h;92%
With trimethylphosphane In tetrahydrofuran at 20℃; for 2h;80%
cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

1-triphenylphosphoranylidene-2-propanone
1439-36-7

1-triphenylphosphoranylidene-2-propanone

2-(2-oxopropyl)cyclohex-2-enone
33553-25-2

2-(2-oxopropyl)cyclohex-2-enone

Conditions
ConditionsYield
In dichloromethane for 25h; Wittig-Horner reaction; Heating;97%
at 130 - 140℃;
cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

1,5-pentanedioic acid
110-94-1

1,5-pentanedioic acid

Conditions
ConditionsYield
With ozone In tetrachloromethane; water at 20℃; for 1h; UV-irradiation;97%
With water; ozone at 25℃; under 760.051 Torr; for 1h; Irradiation;95%
With oxygen; sodium hydroxide In water at 90℃; under 3000.3 Torr; for 3h; pH=7;21%
4-bromophenylhydrazine hydrochloride
622-88-8

4-bromophenylhydrazine hydrochloride

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

(E)-2-(2-(4-bromophenyl)hydrazono)cyclohexan-1-one
108606-59-3

(E)-2-(2-(4-bromophenyl)hydrazono)cyclohexan-1-one

Conditions
ConditionsYield
In water at 20℃; for 16h;97%
phenylhydrazine hydrochloride
59-88-1

phenylhydrazine hydrochloride

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

C18H18N2

C18H18N2

Conditions
ConditionsYield
With sulfuric acid In ethanol at 65℃; for 4.08333h;96.3%
N-methoxylamine hydrochloride
593-56-6

N-methoxylamine hydrochloride

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

cyclohexane-1,2-dione-bis-O-methyldioxime
1312566-43-0

cyclohexane-1,2-dione-bis-O-methyldioxime

Conditions
ConditionsYield
With pyridine In methanol96%
cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

(2-amino-5-chloro-phenyl)-(2-chloro-phenyl)-methanone
2958-36-3

(2-amino-5-chloro-phenyl)-(2-chloro-phenyl)-methanone

7-chloro-9-(2'-chlorophenyl)-2,3-dihydroacridin-4(1H)-one

7-chloro-9-(2'-chlorophenyl)-2,3-dihydroacridin-4(1H)-one

Conditions
ConditionsYield
With indium(III) chloride; 1-butyl-3-methylimidazolium Tetrafluoroborate at 100℃; for 2h;96%
With sulfuric acid; silica gel In methanol for 2h; Friedlaender Quinoline Synthesis; Reflux;93%
With eaton’s reagent In neat (no solvent) at 90℃; for 3h;86%
morpholine
110-91-8

morpholine

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

2-morpholinocyclohex-2-enone
23740-64-9

2-morpholinocyclohex-2-enone

Conditions
ConditionsYield
In water; toluene95.34%
In toluene for 5h; Inert atmosphere; Dean-Stark trap; Reflux;95.34%
In toluene for 5h; Inert atmosphere; Reflux;95.34%
bis(trimethylsilyl)sulphate
18306-29-1

bis(trimethylsilyl)sulphate

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

1,2-bis(trimethylsilyloxy)cyclohex-1-ene
6838-67-1

1,2-bis(trimethylsilyloxy)cyclohex-1-ene

Conditions
ConditionsYield
With calcium In toluene at 100℃; for 2h; Solvent; Reagent/catalyst;95.18%
bis(tert-butyldimethylsilyl)sulfate

bis(tert-butyldimethylsilyl)sulfate

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

1,2-di(tert-butyldimethylsilyloxy)cyclohexene

1,2-di(tert-butyldimethylsilyloxy)cyclohexene

Conditions
ConditionsYield
With calcium In toluene at 125℃; for 2h; Solvent; Reagent/catalyst;95.1%
1,1,2,2-tetramethoxyethylene
1069-12-1

1,1,2,2-tetramethoxyethylene

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

2-(1,1,2,2-Tetramethoxy-ethoxy)-cyclohex-2-enone

2-(1,1,2,2-Tetramethoxy-ethoxy)-cyclohex-2-enone

Conditions
ConditionsYield
In dichloromethane for 1h; Ambient temperature;95%
1,1-dimethoxy-propene
5634-52-6

1,1-dimethoxy-propene

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

2-(1,1-Dimethoxy-propoxy)-cyclohex-2-enone

2-(1,1-Dimethoxy-propoxy)-cyclohex-2-enone

Conditions
ConditionsYield
In dichloromethane at 20℃; for 1h;95%
N-(2-methyl-1-oximino-1-phenyl-2-propyl)hydroxylamine
5291-08-7

N-(2-methyl-1-oximino-1-phenyl-2-propyl)hydroxylamine

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

5,5-dimethyl-1-hydroxy-2-(spirocyclohexan-2-one 2)-4-phenyl-3-imidazoline 3-oxide
82811-27-6

5,5-dimethyl-1-hydroxy-2-(spirocyclohexan-2-one 2)-4-phenyl-3-imidazoline 3-oxide

Conditions
ConditionsYield
In methanol for 6h; Heating;95%
N,N'-bis(3-aminopropyl)-1,2-diamine
10563-26-5

N,N'-bis(3-aminopropyl)-1,2-diamine

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

C14H26N4
245650-33-3

C14H26N4

Conditions
ConditionsYield
With acetic acid In ethanol; acetonitrile at 0 - 5℃; for 2h; Condensation;95%
In ethanol at 0℃; for 3h;80%
cycloviolacin O2

cycloviolacin O2

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

[Arg(1,2-cyclohexanedione adduct)]cycloviolacin O2

[Arg(1,2-cyclohexanedione adduct)]cycloviolacin O2

Conditions
ConditionsYield
With borate buffer at 37℃; for 18h; pH=9.0;95%
4-methoxy-aniline
104-94-9

4-methoxy-aniline

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

2-[(4-methoxyphenyl)amino]cyclohex-2-en-1-one
105553-63-7

2-[(4-methoxyphenyl)amino]cyclohex-2-en-1-one

Conditions
ConditionsYield
In toluene for 12h; Inert atmosphere; Reflux;95%
With toluene-4-sulfonic acid In toluene at 130℃; for 4.5h; Sealed tube; Molecular sieve; Microwave irradiation;72%
pyrrolidine
123-75-1

pyrrolidine

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

Phenyl azide
622-37-7

Phenyl azide

1-(1-hydroxy-2-phenyl-2,3,4-triazabicyclo[3.3.1]non-3-en-9-ylidene)pyrrolidin-1-ium

1-(1-hydroxy-2-phenyl-2,3,4-triazabicyclo[3.3.1]non-3-en-9-ylidene)pyrrolidin-1-ium

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 48h; Solvent; Concentration; regioselective reaction;95%
2,5-Dimethylaniline
95-78-3

2,5-Dimethylaniline

cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

2-[(2,5-dimethylphenyl)amino]cyclohex-2-en-1-one

2-[(2,5-dimethylphenyl)amino]cyclohex-2-en-1-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene at 130℃; for 4.5h; Sealed tube; Molecular sieve; Microwave irradiation;95%
cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

1,2-cyclohexanedionedioxime
492-99-9

1,2-cyclohexanedionedioxime

Conditions
ConditionsYield
With hydroxylamine hydrochloride; silica gel at 50℃; for 3h; Temperature; Green chemistry;94%
With hydroxylamine hydrochloride; potassium hydroxide In ethanol; water at 0 - 20℃; for 48h;87%
With hydroxylamine
With potassium hydroxide; hydroxylamine hydrochloride
cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

acetylenedicarboxylic acid diethyl ester
762-21-0

acetylenedicarboxylic acid diethyl ester

malononitrile
109-77-3

malononitrile

ethyl 2-amino-3-cyano-4-(2-ethoxy-2-oxoethyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-4-carboxylate
1325716-33-3

ethyl 2-amino-3-cyano-4-(2-ethoxy-2-oxoethyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-4-carboxylate

Conditions
ConditionsYield
With copper(II) ferrite In water at 60℃; for 2h;94%
cyclohexane-1,2-dione
765-87-7

cyclohexane-1,2-dione

3,4-dimethoxyaniline
6315-89-5

3,4-dimethoxyaniline

2-[(3,4-dimethoxyphenyl)amino]cyclohex-2-en-1-one

2-[(3,4-dimethoxyphenyl)amino]cyclohex-2-en-1-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene at 130℃; for 4.5h; Sealed tube; Molecular sieve; Microwave irradiation;94%

1,2-Cyclohexanedione Chemical Properties

Chemical Name: 1,2-Cyclohexanedione
IUPAC NAME: Cyclohexane-1,2-dione
CAS No.: 765-87-7
EINECS: 212-155-3
RTECS: GV0340000
Molecular Formula: C6H8O2
Molecular Weight: 112.13 g/mol
Melting Point: 35 °C
Density: 1.127 g/cm3 
Flash Point: 66.9 °C
Boiling Point: 194 °C at 760 mmHg
Storage temp.: 0-6°C
Following is the structure of 1,2-Cyclohexanedione (765-87-7):


Product Categories about 1,2-Cyclohexanedione (765-87-7) are Ketone ; Pharmaceutical intermediate ; C3 to C6Protein Modification ; Reagents for arginine modification ; Carbonyl Compounds ; Ketones ; Specific Amino Acid Modification
The chemical synonymous of 1,2-Cyclohexanedione (765-87-7) are 1,2-Cyclohexadione ; 1,2-Dioxocyclohexane ; Cyclohexane-1,2-dione ; Dihydrocatechol ; 1,2-Cyclohexandione ; 1,2-Cyclohexanedione ; 2-Hydroxy-2-cyclohexen-1-one ; 2-Hydroxy-cyclohex-2-enone 

1,2-Cyclohexanedione Uses

 1,2-Cyclohexanedione (765-87-7) is mainly used in organic synthesis.

1,2-Cyclohexanedione Toxicity Data With Reference

1.    

unr-mus LD50:440 mg/kg

    PCJOAU    Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. 12 (1978),227.

1,2-Cyclohexanedione Consensus Reports

Reported in EPA TSCA Inventory.

1,2-Cyclohexanedione Safety Profile

Moderately toxic by unspecified route. When heated to decomposition it emits acrid smoke and irritating vapors.
Hazard Note: Irritant
Hazard Codes:
Xn: Harmful
Xi: Irritant
Risk Statements about 1,2-Cyclohexanedione (765-87-7):
R22 Harmful if swallowed.
Safety Statements about 1,2-Cyclohexanedione (765-87-7):
S24/25: Avoid contact with skin and eyes.
Attentions:
1. Storage: Keep away from sources of ignition. Store in a tightly closed container. Store in a dry area. Keep refrigerated. (Store below 4°C/39°F.) Store under an inert atmosphere.
2. Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid ingestion and inhalation.

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