Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
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-formamide | 95% |
2.6-dimethylphenol
A
1,4-dihydroxy-2,6-dimethylbenzene
B
2,6-dimethyl-1,4-benzoquinone
Conditions | Yield |
---|---|
With dihydrogen peroxide; Ti-superoxide In water; acetic acid at 50 - 60℃; for 1.25h; Product distribution / selectivity; | A 2% B 97% |
Conditions | Yield |
---|---|
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
2,6-dimethyl-1,4-benzoquinone
Conditions | Yield |
---|---|
With sulfuric acid In 1,2-dimethoxyethane for 1h; Hydrolysis; Heating; | 90% |
Conditions | Yield |
---|---|
With cerium(IV) chlorate; 4-amino-phenol In perchloric acid for 2h; | 88% |
Oxydation; | |
With potassium nitrososulfonate |
Conditions | Yield |
---|---|
With oxygen; copper dichloride In water; N,N-dimethyl-formamide at 60℃; for 16h; | 88% |
Mesitol
A
4-hydroxy-3,5-dimethylbenzaldehyde
B
2,6-dimethyl-1,4-benzoquinone
Conditions | Yield |
---|---|
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; |
Conditions | Yield |
---|---|
With oxygen In methanol at 21.85℃; Irradiation; | 86% |
2,5-dimethylbenzamide
2,6-dimethyl-1,4-benzoquinone
Conditions | Yield |
---|---|
With sodium hydrogen sulfate; [bis(acetoxy)iodo]benzene In water; acetonitrile at 20℃; for 0.666667h; | 85% |
2.6-dimethylphenol
A
3,3',5,5'-tetramethyldiphenoquinone
B
4-hydroxy-3,5-dimethylphenyl acetate
C
2,6-dimethyl-1,4-benzoquinone
Conditions | Yield |
---|---|
With manganese triacetate; ammonium chloride In acetic acid at 100℃; for 0.333333h; | A 84% B 6% C 2% |
Mesitol
A
2,6-dimethyl-1,4-benzoquinone
B
3,3',5,5'-tetramethyl-4,4'-dihydroxybiphenyl
Conditions | Yield |
---|---|
With C34H24Cl4Cu2FeN10O4(1-)*C8H20N(1+); oxygen; sodium hydroxide In methanol at 25℃; for 6h; | A 80% B 4% C 6% |
Conditions | Yield |
---|---|
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
2,6-dimethyl-1,4-benzoquinone
Conditions | Yield |
---|---|
With water In acetone for 6h; Heating; | 76% |
2.6-dimethylphenol
A
3,3',5,5'-tetramethyldiphenoquinone
B
2,6-dimethyl-1,4-benzoquinone
Conditions | Yield |
---|---|
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
A
2,6-dimethyl-1,4-benzoquinone
B
3,3',5,5'-tetramethyl-4,4'-dihydroxybiphenyl
Conditions | Yield |
---|---|
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
A
1,4-dihydroxy-2,6-dimethylbenzene
B
2,6-dimethyl-1,4-benzoquinone
Conditions | Yield |
---|---|
With silica gel; pyridinium chlorochromate In dichloromethane at 20℃; for 1h; | A 71% B 6% |
4-(hydroxymethyl)-2,6-dimethylphenol
A
4-hydroxy-3,5-dimethylbenzaldehyde
B
2,6-dimethyl-1,4-benzoquinone
Conditions | Yield |
---|---|
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. |
Conditions | Yield |
---|---|
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
A
1,4-dihydroxy-2,6-dimethylbenzene
B
2,6-dimethyl-1,4-benzoquinone
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
With C34H22Cl4CoCu2N10O4(1-)*C8H20N(1+); oxygen; sodium hydroxide In methanol at 25℃; for 6h; | A 65% B 20% |
Conditions | Yield |
---|---|
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
A
2,6-dimethyl-1,4-benzoquinone
Conditions | Yield |
---|---|
With sulfuric acid; sodium nitrite at 20℃; for 0.333333h; | A n/a B 61% |
Conditions | Yield |
---|---|
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
A
2,6-dimethyl-1,4-benzoquinone
B
3-methylbenzyl alcohol
C
m-tolyl aldehyde
Conditions | Yield |
---|---|
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
A
2,6-dimethyl-1,4-benzoquinone
B
2,6-dimethylnitrobenzene
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; salcomine In water; 1,2-dichloro-ethane at 23℃; for 1h; | A 27% B 52% |
2.6-dimethylphenol
A
2,6-dimethyl-1,4-benzoquinone
B
3,5-dimethyl-2-hydroxy-p-benzoquinone
Conditions | Yield |
---|---|
With dihydrogen peroxide; methyltrioxorhenium(VII) In acetic acid at 40℃; for 4h; | A 50% B 5% |
2.6-dimethylphenol
A
2,6-dimethyl-1,4-benzoquinone
B
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)
Conditions | Yield |
---|---|
With dihydrogen peroxide; methyltrioxorhenium(VII) In acetic acid at 40℃; for 4h; | A 50% B 5% C 23% |
Conditions | Yield |
---|---|
With [bis(acetoxy)iodo]benzene at 20℃; for 1h; Oxidation; cyclization; | A 49% B 16% |
methanol
2.6-dimethylphenol
A
2,6-dimethyl-1,4-benzoquinone
B
4,4-dimethoxy-2,6-dimethylcyclohexa-2,5-dienone
Conditions | Yield |
---|---|
With [bis(acetoxy)iodo]benzene at 20℃; for 1h; Oxidation; Title compound not separated from byproducts; | A n/a B 48% |
Conditions | Yield |
---|---|
With sodium dithionite In diethyl ether; water | 100% |
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
2,6-dimethyldihydroquinone
Conditions | Yield |
---|---|
With hydrogen; Pd on C In methanol under 760.051 Torr; | 100% |
2,6-dimethyl-1,4-benzoquinone
cyclopenta-1,3-diene
(1SR,4RS,4aSR,8aRS)-4a,6-dimethyl-1,4,4a,8a-tetrahydro-1,4-methanonaphthalene-5,8-dione
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
(S)-oxazaborolidine-aluminum bromide at -78℃; for 2h; Diels-Alder reaction; | 99% |
3-phenyl-2-butenal
2,6-dimethyl-1,4-benzoquinone
(S)-3,4a-dimethyl-6-phenyl-4a,5-dihydronaphthalene-1,4-dione
Conditions | Yield |
---|---|
With (R)-2-(diphenyl(trimethylsilyloxy)methyl)pyrrolidine; o-fluoro-benzoic acid In chloroform-d1 at 20℃; for 24h; enantioselective reaction; | 99% |
Conditions | Yield |
---|---|
With (R)-2-(diphenyl(trimethylsilyloxy)methyl)pyrrolidine; o-fluoro-benzoic acid In chloroform-d1 at 20℃; for 24h; enantioselective reaction; | 99% |
Conditions | Yield |
---|---|
With methyllithium In tetrahydrofuran; diethyl ether at -78℃; for 1h; | A 2% B 98% |
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In toluene at 0℃; for 1.5h; Diels-Alder reaction; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
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
(E)-3-methylene-5-styryldihydrofuran-2(3H)-one
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
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
2,6-dimethyl-1,4-benzoquinone
4-cyano-3,5-dimethyl-4-trimethylsilyloxycyclohexa-2,5-dien-1-one
Conditions | Yield |
---|---|
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
2,6-dimethyl-2,3-epoxy benzoquinone
Conditions | Yield |
---|---|
With HOF* CH3CN at 0℃; for 0.0833333h; | 97% |
1-methylbuta-1,3-diene
2,6-dimethyl-1,4-benzoquinone
2,8,8a-trimethyl-4a,5,8,8a-tetrahydronaphthalene-1,4-dione
Conditions | Yield |
---|---|
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
(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
Conditions | Yield |
---|---|
In benzene for 20h; Heating; | 96% |
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
Conditions | Yield |
---|---|
In benzene for 20h; Heating; | 96% |
2,6-dimethyl-1,4-benzoquinone
3-((1R,8aR)-4,7,8a-Trimethyl-5,8-dioxo-1,5,8,8a-tetrahydro-naphthalen-1-yl)-propionic acid methyl ester
Conditions | Yield |
---|---|
In benzene at 50℃; for 21h; | 96% |
5-(3,4-dimethoxyphenyl)-oxa-cyclopentan-2-one
2,6-dimethyl-1,4-benzoquinone
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
With sodium hydroxide In water for 2h; Ambient temperature; | 95% |
2,6-dimethyl-1,4-benzoquinone
ethylene glycol
4,4-ethylenedioxy-2,6-dimethyl-2,5-cyclohexadien-1-one
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
With ammonium persulfate; silver nitrate In water; acetonitrile at 70℃; for 2h; | 95% |
bicyclopropylidene
2,6-dimethyl-1,4-benzoquinone
6,8-dimethyldispiro[2.0.54.33]dodeca-5,8-diene-7,12-dione
Conditions | Yield |
---|---|
In benzene for 24h; Photolysis; Inert atmosphere; regioselective reaction; | 95% |
phosphorohydrazidic acid diethyl ester
2,6-dimethyl-1,4-benzoquinone
Conditions | Yield |
---|---|
In benzene at 25℃; | 94% |
Ru(η6-1,3,5-cyclooctatriene)(dimethyl fumarate)2
2,6-dimethyl-1,4-benzoquinone
Ru(η6-cyclooctatriene)(2,6-dimethyl-p-benzoquinone)
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
In chloroform-d1 at 20℃; for 24h; Inert atmosphere; stereoselective reaction; | 94% |
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
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