Product Name

  • Name

    2,6-DIMETHYLBENZOQUINONE

  • EINECS 208-420-8
  • CAS No. 527-61-7
  • Article Data199
  • CAS DataBase
  • Density 1.115g/cm3
  • Solubility Soluble in chloroform. Insoluble in water.
  • Melting Point 71-73 °C(lit.)
  • Formula C8H8O2
  • Boiling Point 200.9 °C at 760 mmHg
  • Molecular Weight 136.15
  • Flash Point 71.1 °C
  • Transport Information
  • Appearance yellow solid
  • Safety 37/39-26
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 527-61-7 (2,6-DIMETHYLBENZOQUINONE)
  • Hazard Symbols IrritantXi
  • Synonyms p-Benzoquinone,2,6-dimethyl- (8CI);2,6-Dimethyl-1,4-benzoquinone;2,6-Dimethyl-2,5-cyclohexadiene-1,4-dione;2,6-Dimethyl-p-benzoquinone;2,6-Dimethylbenzoquinone;2,6-Xyloquinone;3,5-Dimethyl-1,4-benzoquinone;3,5-Dimethylbenzoquinone;NSC 17549;m-Xyloquinone;
  • PSA 34.14000
  • LogP 1.03080

Synthetic route

1,4-dihydroxy-2,6-dimethylbenzene
654-42-2

1,4-dihydroxy-2,6-dimethylbenzene

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With nitric acid; sodium nitrite In methanol at -10℃;100%
With dihydrogen peroxide; bis-(tributyltin oxide) dioxochromium(VI) In benzene at 50℃; for 2h;91%
With air; cobalt(II) phthalocyanine; Montmorillonite K10 In 1,4-dioxane; water at 20℃; for 6h;90%
2.6-dimethylphenol
576-26-1

2.6-dimethylphenol

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With titanium superoxide; dihydrogen peroxide; acetic acid In water at 50℃; for 2h;97%
With Oxone; sodium iodide; benzene In water; acetonitrile at 40℃; Reagent/catalyst; Temperature;96%
With [N,N'-bis(salicylidene)ethane-1,2-diaminato]cobalt(II); oxygen In N,N-dimethyl-formamide95%
2.6-dimethylphenol
576-26-1

2.6-dimethylphenol

A

1,4-dihydroxy-2,6-dimethylbenzene
654-42-2

1,4-dihydroxy-2,6-dimethylbenzene

B

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With dihydrogen peroxide; Ti-superoxide In water; acetic acid at 50 - 60℃; for 1.25h; Product distribution / selectivity;A 2%
B 97%
3,5-Dimethylphenol
108-68-9

3,5-Dimethylphenol

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With oxygen In water; acetonitrile at 40℃; under 15001.5 Torr; for 1h; Green chemistry;90%
With tert.-butylhydroperoxide In decane; acetonitrile at 70℃; for 3h; Catalytic behavior; regioselective reaction;88%
With 2,6-dicarboxypyridinium fluorochromate at 20℃; for 0.166667h;86%
4,4-dimethoxy-3,5-dimethylcyclohexa-2,5-dien-1-one
116760-59-9

4,4-dimethoxy-3,5-dimethylcyclohexa-2,5-dien-1-one

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With sulfuric acid In 1,2-dimethoxyethane for 1h; Hydrolysis; Heating;90%
2,6-dimethylaniline
87-62-7

2,6-dimethylaniline

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With cerium(IV) chlorate; 4-amino-phenol In perchloric acid for 2h;88%
Oxydation;
With potassium nitrososulfonate
4-bromo-2,6-dimethyl-phenol
2374-05-2

4-bromo-2,6-dimethyl-phenol

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With oxygen; copper dichloride In water; N,N-dimethyl-formamide at 60℃; for 16h;88%
Mesitol
527-60-6

Mesitol

A

4-hydroxy-3,5-dimethylbenzaldehyde
2233-18-3

4-hydroxy-3,5-dimethylbenzaldehyde

B

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With oxygen; acetone oxime In various solvent(s) at 40℃; under 860.3 Torr; for 6h;A 87%
B 4%
With oxygen In various solvent(s) at 60℃; under 860.3 Torr; for 5h; Product distribution; Mechanism; Rate constant; var. aditives, times, solvents;A 77.7%
B 3.7%
With oxygen; diethylamine In various solvent(s) at 60℃; under 860.3 Torr; for 4h; Product distribution; other amines; variation of condition;
With oxygen; diethylamine In various solvent(s) at 60℃; under 860.3 Torr; for 4h; Yield given. Yields of byproduct given;
2,6-dimethyl-4-chlorophenol
1123-63-3

2,6-dimethyl-4-chlorophenol

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With oxygen In methanol at 21.85℃; Irradiation;86%
2,5-dimethylbenzamide
55321-98-7

2,5-dimethylbenzamide

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With sodium hydrogen sulfate; [bis(acetoxy)iodo]benzene In water; acetonitrile at 20℃; for 0.666667h;85%
2.6-dimethylphenol
576-26-1

2.6-dimethylphenol

A

3,3',5,5'-tetramethyldiphenoquinone
4906-22-3

3,3',5,5'-tetramethyldiphenoquinone

B

4-hydroxy-3,5-dimethylphenyl acetate
880-06-8

4-hydroxy-3,5-dimethylphenyl acetate

C

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With manganese triacetate; ammonium chloride In acetic acid at 100℃; for 0.333333h;A 84%
B 6%
C 2%
Mesitol
527-60-6

Mesitol

A

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

B

3,3',5,5'-tetramethyl-4,4'-dihydroxybiphenyl
2417-04-1

3,3',5,5'-tetramethyl-4,4'-dihydroxybiphenyl

C

3,3',5,5'-tetramethyl-4,4'-diphenoquinone

3,3',5,5'-tetramethyl-4,4'-diphenoquinone

Conditions
ConditionsYield
With C34H24Cl4Cu2FeN10O4(1-)*C8H20N(1+); oxygen; sodium hydroxide In methanol at 25℃; for 6h;A 80%
B 4%
C 6%
2.6-dimethylphenol
576-26-1

2.6-dimethylphenol

A

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

B

3,3',5,5'-tetramethyl-4,4'-diphenoquinone

3,3',5,5'-tetramethyl-4,4'-diphenoquinone

Conditions
ConditionsYield
With C34H22Cl4CoCu2N10O4(1-)*C8H20N(1+); oxygen; sodium hydroxide In methanol at 25℃; for 6h;A 77%
B 10%
With vanadium(V); acetic acid In water at 25℃; Rate constant; Product distribution; Mechanism; effect of substrate, oxidant concentration, acidity, further temperature, solvent;
N-acetyl-3,5-dimethyl-1,4-benzoquinone imine
74827-88-6

N-acetyl-3,5-dimethyl-1,4-benzoquinone imine

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With water In acetone for 6h; Heating;76%
2.6-dimethylphenol
576-26-1

2.6-dimethylphenol

A

3,3',5,5'-tetramethyldiphenoquinone
4906-22-3

3,3',5,5'-tetramethyldiphenoquinone

B

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With cobalt(III) acetate In acetic acid at 70℃; for 5.5h;A 75%
B 23%
With oxygen; NPV6Mo6/C In acetic acid at 60℃; under 760 Torr; for 5h;A 52%
B 29%
With 2(O2) (1); oxygen In chloroform at 25℃; under 735.5 Torr; for 2h; Rate constant; Product distribution; Mechanism; other phenols and catechol;
2.6-dimethylphenol
576-26-1

2.6-dimethylphenol

A

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

B

3,3',5,5'-tetramethyl-4,4'-dihydroxybiphenyl
2417-04-1

3,3',5,5'-tetramethyl-4,4'-dihydroxybiphenyl

C

3,3',5,5'-tetramethyl-4,4'-diphenoquinone

3,3',5,5'-tetramethyl-4,4'-diphenoquinone

Conditions
ConditionsYield
With C34H24Cl4Cu2FeN10O4(1-)*C8H20N(1+); oxygen; sodium hydroxide In methanol at 25℃; for 6h;A 73%
B 12%
C 15%
2,6-dimethyl-cyclohex-3-ene-1,2-diol
187873-55-8

2,6-dimethyl-cyclohex-3-ene-1,2-diol

A

1,4-dihydroxy-2,6-dimethylbenzene
654-42-2

1,4-dihydroxy-2,6-dimethylbenzene

B

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With silica gel; pyridinium chlorochromate In dichloromethane at 20℃; for 1h;A 71%
B 6%
4-(hydroxymethyl)-2,6-dimethylphenol
4397-14-2

4-(hydroxymethyl)-2,6-dimethylphenol

A

4-hydroxy-3,5-dimethylbenzaldehyde
2233-18-3

4-hydroxy-3,5-dimethylbenzaldehyde

B

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With oxygen; amine>cobalt In dichloromethane under 2585.7 Torr; for 20h; Ambient temperature;A n/a
B 70%
With K10 montmorillonite; water; dihydrogen peroxide In tetrachloromethane at 22℃; for 2h; Oxidation;A 3 % Chromat.
B 57 % Chromat.
Mesitol
527-60-6

Mesitol

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With oxygen; horseradish peroxidase pH=7; Oxidation; electrolysis after 8 F;70%
Multi-step reaction with 2 steps
1: 5 percent Chromat. / H2O2; K10 montmorillonite; H2O / CCl4 / 2 h / 22 °C
2: 59 percent Chromat. / H2O2; K10 montmorillonite; H2O / CCl4 / 2 h / 22 °C
View Scheme
Multi-step reaction with 2 steps
1: 12 percent Chromat. / H2O2; K10 montmorillonite; H2O / CCl4 / 2 h / 22 °C
2: 5 percent Chromat. / H2O2; K10 montmorillonite; H2O / CCl4 / 2 h / 22 °C
View Scheme
4-hydroxy-3,5-dimethylbenzaldehyde
2233-18-3

4-hydroxy-3,5-dimethylbenzaldehyde

A

1,4-dihydroxy-2,6-dimethylbenzene
654-42-2

1,4-dihydroxy-2,6-dimethylbenzene

B

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; 1,3-dimethyl-5-ethyl-4a-hydroperoxyalloxazine; oxygen; sodium hydrogencarbonate In water; acetonitrile at 20℃; for 3h; Dakin Phenol Oxidation;A 23%
B 65%
Mesitol
527-60-6

Mesitol

A

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

B

3,3',5,5'-tetramethyl-4,4'-diphenoquinone

3,3',5,5'-tetramethyl-4,4'-diphenoquinone

Conditions
ConditionsYield
With C34H22Cl4CoCu2N10O4(1-)*C8H20N(1+); oxygen; sodium hydroxide In methanol at 25℃; for 6h;A 65%
B 20%
ethylene glycol
107-21-1

ethylene glycol

3,5-Dimethylphenol
108-68-9

3,5-Dimethylphenol

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene In hexane; ethylene glycol 0 deg C; 0 deg C to RT, 2 h;63%
4-Amino-3,5-dimethylphenol hydrochloride
14033-85-3

4-Amino-3,5-dimethylphenol hydrochloride

A

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

B

3,5-dimethyl-4-diazocyclohexa-2,5-dienone

3,5-dimethyl-4-diazocyclohexa-2,5-dienone

Conditions
ConditionsYield
With sulfuric acid; sodium nitrite at 20℃; for 0.333333h;A n/a
B 61%
3,5-dimethylmethoxybenzene
874-63-5

3,5-dimethylmethoxybenzene

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Conditions
ConditionsYield
With 1,1,1,3',3',3'-hexafluoro-propanol; urea hydrogen peroxide adduct at 45℃; Sealed tube; Green chemistry;57%
With tert.-butylhydroperoxide; ruthenium(III) 1,4,7-triazacyclononane-based catalyst In dichloromethane; 1,2-dichloro-ethane at 20℃; for 14h;15%
With perchloric acid; cerium(IV) perchlorate In acetonitrile at 24.9℃;
m-xylene
108-38-3

m-xylene

A

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

B

3-methylbenzyl alcohol
587-03-1

3-methylbenzyl alcohol

C

m-tolyl aldehyde
620-23-5

m-tolyl aldehyde

Conditions
ConditionsYield
With cerium(IV) sulphate; sulfuric acid In water at 90℃; for 2h; Kinetics; Mechanism; Rate constant; activation energy, mechanism; other times, other temperatures;A 7.6%
B 16.5%
C 55.5%
With cerium (IV) sulfate; sulfuric acid In water at 90℃;A 7.6%
B 16.5%
C 55.5%
With cerium (IV) sulfate; sulfuric acid In water at 75℃;A 17.3%
B 14.3%
C 48.9%
2,6-dimethylaniline
87-62-7

2,6-dimethylaniline

A

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

B

2,6-dimethylnitrobenzene
81-20-9

2,6-dimethylnitrobenzene

Conditions
ConditionsYield
With tert.-butylhydroperoxide; salcomine In water; 1,2-dichloro-ethane at 23℃; for 1h;A 27%
B 52%
2.6-dimethylphenol
576-26-1

2.6-dimethylphenol

A

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

B

3,5-dimethyl-2-hydroxy-p-benzoquinone
2913-40-8

3,5-dimethyl-2-hydroxy-p-benzoquinone

Conditions
ConditionsYield
With dihydrogen peroxide; methyltrioxorhenium(VII) In acetic acid at 40℃; for 4h;A 50%
B 5%
2.6-dimethylphenol
576-26-1

2.6-dimethylphenol

A

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

B

3,5-dimethyl-2-hydroxy-p-benzoquinone
2913-40-8

3,5-dimethyl-2-hydroxy-p-benzoquinone

C

1,7-Dihydroxy-2,6-dioxo-1,3,5,7-tetramethyl-5,8-etheno-1,2,5,6,7,8,4a,8a-octahydro-naphthalin; dimeres 6-Hydroxy-2,6-dimethyl-cyclohexadien-(2,4)-on-(1)
5520-77-4

1,7-Dihydroxy-2,6-dioxo-1,3,5,7-tetramethyl-5,8-etheno-1,2,5,6,7,8,4a,8a-octahydro-naphthalin; dimeres 6-Hydroxy-2,6-dimethyl-cyclohexadien-(2,4)-on-(1)

Conditions
ConditionsYield
With dihydrogen peroxide; methyltrioxorhenium(VII) In acetic acid at 40℃; for 4h;A 50%
B 5%
C 23%
methanol
67-56-1

methanol

2.6-dimethylphenol
576-26-1

2.6-dimethylphenol

A

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

(1RS,2RS,3SR,7SR,8SR,10SR)-3,10-dimethoxy-3,5,8,10-tetramethyltricyclo[6.2.2.02,7]dodeca-5,11-diene-4,9-dione

(1RS,2RS,3SR,7SR,8SR,10SR)-3,10-dimethoxy-3,5,8,10-tetramethyltricyclo[6.2.2.02,7]dodeca-5,11-diene-4,9-dione

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene at 20℃; for 1h; Oxidation; cyclization;A 49%
B 16%
methanol
67-56-1

methanol

2.6-dimethylphenol
576-26-1

2.6-dimethylphenol

A

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

B

4,4-dimethoxy-2,6-dimethylcyclohexa-2,5-dienone
57197-12-3

4,4-dimethoxy-2,6-dimethylcyclohexa-2,5-dienone

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene at 20℃; for 1h; Oxidation; Title compound not separated from byproducts;A n/a
B 48%
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

1,4-dihydroxy-2,6-dimethylbenzene
654-42-2

1,4-dihydroxy-2,6-dimethylbenzene

Conditions
ConditionsYield
With sodium dithionite In diethyl ether; water100%
With sodium dithionite In diethyl ether; water at 20℃;100%
With isopropyl alcohol; zirconium(IV) oxide for 2h; Heating;99%
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

2,6-dimethyldihydroquinone
74894-46-5, 74894-47-6

2,6-dimethyldihydroquinone

Conditions
ConditionsYield
With hydrogen; Pd on C In methanol under 760.051 Torr;100%
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

(1SR,4RS,4aSR,8aRS)-4a,6-dimethyl-1,4,4a,8a-tetrahydro-1,4-methanonaphthalene-5,8-dione
108299-53-2, 111555-28-3, 111555-29-4

(1SR,4RS,4aSR,8aRS)-4a,6-dimethyl-1,4,4a,8a-tetrahydro-1,4-methanonaphthalene-5,8-dione

Conditions
ConditionsYield
In dichloromethane for 3h; Diels-Alder Cycloaddition; Reflux;99%
boron trifluoride diethyl etherate In toluene at -78℃; for 1h;92%
With iron(III) chloride In neat (no solvent, solid phase) at 20℃; for 1h; Diels-Alder Cycloaddition;87%
In dichloromethane at 20℃; for 48h; Diels-Alder Cycloaddition; diastereoselective reaction;70%
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

(1S,2R,7S,8R)-2,4-dimethyl-tricyclo[6.2.1.02,7]undeca-4,9-diene-3,6-dione

(1S,2R,7S,8R)-2,4-dimethyl-tricyclo[6.2.1.02,7]undeca-4,9-diene-3,6-dione

Conditions
ConditionsYield
(S)-oxazaborolidine-aluminum bromide at -78℃; for 2h; Diels-Alder reaction;99%
3-phenyl-2-butenal
1196-67-4

3-phenyl-2-butenal

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

(S)-3,4a-dimethyl-6-phenyl-4a,5-dihydronaphthalene-1,4-dione
1567408-44-9

(S)-3,4a-dimethyl-6-phenyl-4a,5-dihydronaphthalene-1,4-dione

Conditions
ConditionsYield
With (R)-2-(diphenyl(trimethylsilyloxy)methyl)pyrrolidine; o-fluoro-benzoic acid In chloroform-d1 at 20℃; for 24h; enantioselective reaction;99%
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

3-methyl-2-penten-4-yn-1-al
53635-18-0

3-methyl-2-penten-4-yn-1-al

C14H12O2
1567408-52-9

C14H12O2

Conditions
ConditionsYield
With (R)-2-(diphenyl(trimethylsilyloxy)methyl)pyrrolidine; o-fluoro-benzoic acid In chloroform-d1 at 20℃; for 24h; enantioselective reaction;99%
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

A

1,4-dihydroxy-2,6-dimethylbenzene
654-42-2

1,4-dihydroxy-2,6-dimethylbenzene

B

1,2,4,6-Tetramethyl-cyclohexa-2,5-diene-1,4-diol

1,2,4,6-Tetramethyl-cyclohexa-2,5-diene-1,4-diol

Conditions
ConditionsYield
With methyllithium In tetrahydrofuran; diethyl ether at -78℃; for 1h;A 2%
B 98%
1-acetoxy-1,3-butadiene
1515-76-0

1-acetoxy-1,3-butadiene

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Acetic acid (1R,4aS,8aS)-4a,6-dimethyl-5,8-dioxo-1,4,4a,5,8,8a-hexahydro-naphthalen-1-yl ester

Acetic acid (1R,4aS,8aS)-4a,6-dimethyl-5,8-dioxo-1,4,4a,5,8,8a-hexahydro-naphthalen-1-yl ester

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In toluene at 0℃; for 1.5h; Diels-Alder reaction; Inert atmosphere;98%
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

isoprene
78-79-5

isoprene

C13H16O2
1291100-82-7

C13H16O2

Conditions
ConditionsYield
With aluminum tri-bromide; (S)-3,3-diphenyl-1-(o-tolyl)hexahydropyrrolo[1,2-c]-[1,3,2]oxazaborole In 1,1-Dibromoethane; hexane; dichloromethane at -78℃; for 50h; Diels-Alder reaction; optical yield given as %ee; enantioselective reaction;98%
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

(E)-3-methylene-5-styryldihydrofuran-2(3H)-one
106549-54-6

(E)-3-methylene-5-styryldihydrofuran-2(3H)-one

(E)-4-(3, 5-dimethyl-1,4-benzoquinon-2-yl)-2-methylene-6-phenylhex-5-enoic acid

(E)-4-(3, 5-dimethyl-1,4-benzoquinon-2-yl)-2-methylene-6-phenylhex-5-enoic acid

Conditions
ConditionsYield
Stage #1: 2,6-dimethyl-1,4-benzoquinone; (E)-3-methylene-5-styryldihydrofuran-2(3H)-one With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate at 20℃; for 0.5h;
Stage #2: With hafnium tetrakis(trifluoromethanesulfonate) at 25℃; for 2h;
98%
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

C13H14O2

C13H14O2

Conditions
ConditionsYield
With (R)-2-(o-methyl)phenyl-CBS-oxazaborolidine; aluminum tri-bromide In dichloromethane; toluene at -78℃; for 2h; Diels-Alder Cycloaddition; Schlenk technique; Inert atmosphere;98%
trimethylsilyl cyanide
7677-24-9

trimethylsilyl cyanide

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

4-cyano-3,5-dimethyl-4-trimethylsilyloxycyclohexa-2,5-dien-1-one
42860-69-5

4-cyano-3,5-dimethyl-4-trimethylsilyloxycyclohexa-2,5-dien-1-one

Conditions
ConditionsYield
With triphenylphosphine In dichloromethane for 1h; Heating;97%
With (K-18-crown-6 ether) cyanide In tetrachloromethane 1.) reflux, 10 h, 2.) room temperature;
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

2,6-dimethyl-2,3-epoxy benzoquinone
99595-89-8

2,6-dimethyl-2,3-epoxy benzoquinone

Conditions
ConditionsYield
With HOF* CH3CN at 0℃; for 0.0833333h;97%
1-methylbuta-1,3-diene
2004-70-8

1-methylbuta-1,3-diene

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

2,8,8a-trimethyl-4a,5,8,8a-tetrahydronaphthalene-1,4-dione
51315-87-8

2,8,8a-trimethyl-4a,5,8,8a-tetrahydronaphthalene-1,4-dione

Conditions
ConditionsYield
With titanium tetrachloride In dichloromethane at -78℃; for 0.5h;96%
With lithium perchlorate In diethyl ether for 0.25h; Ambient temperature;80%
In benzene
titanium tetrachloride In dichloromethane at -78℃; for 0.5h;
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

(2S,4aS,8aR)-1,1,4a-Trimethyl-5-vinyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-2-ol
137325-44-1

(2S,4aS,8aR)-1,1,4a-Trimethyl-5-vinyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-2-ol

3β-hydroxy-4,4,16,17-tetramethyl-(14β)-D-homo-18-nor-androsta-9(11),16-diene-15,17a-dione
140375-35-5, 140460-63-5

3β-hydroxy-4,4,16,17-tetramethyl-(14β)-D-homo-18-nor-androsta-9(11),16-diene-15,17a-dione

Conditions
ConditionsYield
In benzene for 20h; Heating;96%
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

(2S,4aS,8aR)-1,1,4a-Trimethyl-5-vinyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-2-ol
137325-44-1

(2S,4aS,8aR)-1,1,4a-Trimethyl-5-vinyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-2-ol

(4aR,4bR,6aR,8S,10aS,12aS)-8-Hydroxy-2,4a,7,7,10a-pentamethyl-4a,4b,5,6,6a,7,8,9,10,10a,12,12a-dodecahydro-chrysene-1,4-dione

(4aR,4bR,6aR,8S,10aS,12aS)-8-Hydroxy-2,4a,7,7,10a-pentamethyl-4a,4b,5,6,6a,7,8,9,10,10a,12,12a-dodecahydro-chrysene-1,4-dione

Conditions
ConditionsYield
In benzene for 20h; Heating;96%
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

methyl (E)-4,6,7-octatrienoate

methyl (E)-4,6,7-octatrienoate

3-((1R,8aR)-4,7,8a-Trimethyl-5,8-dioxo-1,5,8,8a-tetrahydro-naphthalen-1-yl)-propionic acid methyl ester
96302-07-7

3-((1R,8aR)-4,7,8a-Trimethyl-5,8-dioxo-1,5,8,8a-tetrahydro-naphthalen-1-yl)-propionic acid methyl ester

Conditions
ConditionsYield
In benzene at 50℃; for 21h;96%
5-(3,4-dimethoxyphenyl)-oxa-cyclopentan-2-one
14335-78-5

5-(3,4-dimethoxyphenyl)-oxa-cyclopentan-2-one

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

4-(3,5-dimethyl-1,4-benzoquinon-2-yl)-4-(3,4-dimethoxylphenyl)butyric acid

4-(3,5-dimethyl-1,4-benzoquinon-2-yl)-4-(3,4-dimethoxylphenyl)butyric acid

Conditions
ConditionsYield
Stage #1: 5-(3,4-dimethoxyphenyl)-oxa-cyclopentan-2-one; 2,6-dimethyl-1,4-benzoquinone With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate at 20℃; for 0.5h;
Stage #2: With hafnium tetrakis(trifluoromethanesulfonate) at 50℃; for 2h;
96%
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

5-(4-bromo-5-chloro-2-thienyl)dihydrofuran-2-one

5-(4-bromo-5-chloro-2-thienyl)dihydrofuran-2-one

4-(3,5-dimethyl-1,4-benzoquinon-2-yl)-4-(4-bromo-5-chlorothiophen-2-yl)butanoic acid

4-(3,5-dimethyl-1,4-benzoquinon-2-yl)-4-(4-bromo-5-chlorothiophen-2-yl)butanoic acid

Conditions
ConditionsYield
Stage #1: 2,6-dimethyl-1,4-benzoquinone; 5-(4-bromo-5-chloro-2-thienyl)dihydrofuran-2-one With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate at 20℃; for 0.5h;
Stage #2: With hafnium tetrakis(trifluoromethanesulfonate) at 50℃; for 2h;
96%
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

3-methylene-5-(4-(methylthio)phenyl)dihydrofuran-2(3H)-one

3-methylene-5-(4-(methylthio)phenyl)dihydrofuran-2(3H)-one

4-(3,5-dimethyl-1,4-benzoquinon-2-yl)-2-methylene-4-(4-(methylthio)phenyl)butanoic acid

4-(3,5-dimethyl-1,4-benzoquinon-2-yl)-2-methylene-4-(4-(methylthio)phenyl)butanoic acid

Conditions
ConditionsYield
Stage #1: 2,6-dimethyl-1,4-benzoquinone; 3-methylene-5-(4-(methylthio)phenyl)dihydrofuran-2(3H)-one With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate at 20℃; for 0.5h;
Stage #2: With hafnium tetrakis(trifluoromethanesulfonate) at 25℃; for 2h;
96%
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

sodium (E)-4,6-heptadienoate
86668-96-4

sodium (E)-4,6-heptadienoate

C23H26O6
88710-64-9

C23H26O6

Conditions
ConditionsYield
With sodium hydroxide In water for 2h; Ambient temperature;95%
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

ethylene glycol
107-21-1

ethylene glycol

4,4-ethylenedioxy-2,6-dimethyl-2,5-cyclohexadien-1-one
85268-20-8

4,4-ethylenedioxy-2,6-dimethyl-2,5-cyclohexadien-1-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid; trimethyl orthoformate In diethyl ether at 4℃; for 120h;95%
With toluene-4-sulfonic acid; trimethyl orthoformate at 40℃; for 2h;90%
With toluene-4-sulfonic acid; trimethyl orthoformate In benzene at 25℃; for 24h;86%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

1-(3,6-Dihydroxy-2,4-dimethyl-phenyl)-propan-1-one

1-(3,6-Dihydroxy-2,4-dimethyl-phenyl)-propan-1-one

Conditions
ConditionsYield
With ammonium persulfate; silver nitrate In water; acetonitrile at 70℃; for 2h;95%
bicyclopropylidene
27567-82-4

bicyclopropylidene

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

6,8-dimethyldispiro[2.0.54.33]dodeca-5,8-diene-7,12-dione
1440547-06-7

6,8-dimethyldispiro[2.0.54.33]dodeca-5,8-diene-7,12-dione

Conditions
ConditionsYield
In benzene for 24h; Photolysis; Inert atmosphere; regioselective reaction;95%
phosphorohydrazidic acid diethyl ester
56183-69-8

phosphorohydrazidic acid diethyl ester

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

N'-(3,5-Dimethyl-4-oxo-cyclohexa-2,5-dienylidene)-phosphorohydrazidic acid diethyl ester

N'-(3,5-Dimethyl-4-oxo-cyclohexa-2,5-dienylidene)-phosphorohydrazidic acid diethyl ester

Conditions
ConditionsYield
In benzene at 25℃;94%
Ru(η6-1,3,5-cyclooctatriene)(dimethyl fumarate)2
223249-01-2

Ru(η6-1,3,5-cyclooctatriene)(dimethyl fumarate)2

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

Ru(η6-cyclooctatriene)(2,6-dimethyl-p-benzoquinone)
490012-81-2

Ru(η6-cyclooctatriene)(2,6-dimethyl-p-benzoquinone)

Conditions
ConditionsYield
In diethyl ether byproducts: CO2MeCHCHCO2Me; mixt. of Ru-complex, ligand and Et2O was refluxed for 4 h under Ar; filtered, rinsed with Et2O, dried under vac.;94%
2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

2-cinnamyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

2-cinnamyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

(E)-6-cinnamyl-2,6-dimethylcyclohex-2-ene-1,4-dione

(E)-6-cinnamyl-2,6-dimethylcyclohex-2-ene-1,4-dione

Conditions
ConditionsYield
In chloroform-d1 at 20℃; for 24h; Inert atmosphere; stereoselective reaction;94%

2,6-Dimethylbenzoquinone Specification

The 2,5-Cyclohexadiene-1,4-dione,2,6-dimethyl-, with CAS registry number 527-61-7, belongs to the following product categories: (1)Anthraquinones, Hydroquinones and Quinones; (2)Benzoquinones; (3)Benzoquinones, etc. (Charge Transfer Complexes); (4)Charge Transfer Complexes for Organic Metals; (5)Functional Materials; (6)C7 to C8; (7)Carbonyl Compounds; (8)Ketones. It has the systematic name of 2,6-dimethylcyclohexa-2,5-diene-1,4-dione. This chemical is a kind of yellow solid. What's more, its EINECS is 208-420-8.

Physical properties of 2,5-Cyclohexadiene-1,4-dione,2,6-dimethyl-: (1)ACD/LogP: 1.45; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.45; (4)ACD/LogD (pH 7.4): 1.45; (5)ACD/BCF (pH 5.5): 7.39; (6)ACD/BCF (pH 7.4): 7.39; (7)ACD/KOC (pH 5.5): 145.72; (8)ACD/KOC (pH 7.4): 145.72; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 34.14 Å2; (13)Index of Refraction: 1.51; (14)Molar Refractivity: 36.54 cm3; (15)Molar Volume: 122 cm3; (16)Polarizability: 14.48×10-24cm3; (17)Surface Tension: 36 dyne/cm; (18)Density: 1.115 g/cm3; (19)Flash Point: 71.1 °C; (20)Enthalpy of Vaporization: 43.71 kJ/mol; (21)Boiling Point: 200.9 °C at 760 mmHg; (22)Vapour Pressure: 0.317 mmHg at 25°C.

Preparation: this chemical can be prepared by 2,6-dimethyl-phenol. This reaction will need reagent aqueous NO(SO3K)2.

Uses of 2,5-Cyclohexadiene-1,4-dione,2,6-dimethyl-: it can be used to produce 2,6-dimethyl-hydroquinone. This reaction will need reagents Zn, AcOH.

When you are using this chemical, please be cautious about it as the following:
The 2,5-Cyclohexadiene-1,4-dione,2,6-dimethyl- irritates to eyes, respiratory system and skin. When use it, wear suitable protective clothing, gloves and eye/face protection. If contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C\1\C=C(/C(=O)/C(=C/1)C)C
(2)InChI: InChI=1/C8H8O2/c1-5-3-7(9)4-6(2)8(5)10/h3-4H,1-2H3
(3)InChIKey: SENUUPBBLQWHMF-UHFFFAOYAI
(4)Std. InChI: InChI=1S/C8H8O2/c1-5-3-7(9)4-6(2)8(5)10/h3-4H,1-2H3
(5)Std. InChIKey: SENUUPBBLQWHMF-UHFFFAOYSA-N

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View