Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
Cas:5973-71-7
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CAS RN.: 5973-71-7 EINECS: 227-770-2 Molecular Weight:
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inquiryProduct Name 3,4-dimethyl-benzaldehyde CAS No. 5973-71-7 Molecular Formula C9H10O Chemical Struct
Cas:5973-71-7
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inquiry3,4-Dimethylbenzaldehyde CAS:5973-71-7 Specification items standard result appearance colorless liquid colorless liquid assay 98min%
Cas:5973-71-7
Min.Order:1 Kilogram
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inquiryProduct name: 3,4-Dimethyl-Benzaldehyde CAS No.: 5973-71-7 Molecule Formula:C9H10O Molecule Weight:134.18 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TESTING ITE
Cas:5973-71-7
Min.Order:1 Kilogram
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inquiry3,4-Dimethylbenzaldehyde Chemical Properties Melting point 225-226 C Boiling point 226 °C (lit.) density 1.012 g/mL at 25 °C (lit.) refractive index n20/D 1.551(lit.) Fp 225 °F form Liquid color Clear colorless
Cas:5973-71-7
Min.Order:1 Gram
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inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
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inquiry3,4-dimethylbenzaldehyde
Conditions | Yield |
---|---|
With ammonium hydroxide; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; oxygen In ethanol at 50℃; for 18h; | 96% |
With ammonium hydroxide; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; copper(ll) bromide at 80℃; for 20h; | 96% |
With Iron(III) nitrate nonahydrate; oxygen; 2,3-dicyano-5,6-dichloro-p-benzoquinone In 1,2-dichloro-ethane at 60℃; for 3h; Schlenk technique; Green chemistry; | 96% |
Conditions | Yield |
---|---|
With sodium nitrate; acetic acid In water for 3h; Reflux; | 92% |
With potassium hydroxide; cetyltrimethylammonim bromide; potassium nitrate In water for 6h; pH=10 - 11; Reflux; | 81% |
A
3,4-dimethylbenzaldehyde
B
di(p-tolyl) disulfide
C
3,5-di(3,4-dimethylphenyl)-1,2,4,6-thiatriazine 1-oxide
D
3,4-dimethylbenzonitrile
Conditions | Yield |
---|---|
With tetrasulphure tetranitride In 1,4-dioxane for 7h; Heating; | A n/a B 86% C 22% D n/a |
3,4-dimethylbenzyl bromide
3,4-dimethylbenzaldehyde
Conditions | Yield |
---|---|
With potassium nitrite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; oxygen In water for 5h; Reflux; | 85% |
Conditions | Yield |
---|---|
Stage #1: o-xylene; N,N,N',N'-tetraformylhydrazine With aluminium trichloride In 1,2-dichloro-ethane at -15 - 1℃; for 19h; Stage #2: With water | A 9% B 77% |
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; formic acid; tetrabutylammonium tetrafluoroborate In N,N-dimethyl-formamide at 60℃; under 760 Torr; Carbonylation; Electrochemical reaction; | 76% |
Conditions | Yield |
---|---|
Stage #1: o-xylene; tris(diformylamino)methane With aluminium trichloride In 1,2-dichloro-ethane at -19 - 0℃; Stage #2: With water Heating; | 65% |
With aluminium trichloride In 1,2-dichloro-ethane at -19 - -1℃; for 15h; | 42% |
o-xylene
tris(diformylamino)methane
A
3,4-dimethylbenzaldehyde
B
3,3',4,4'-tetramethyl-1,2-diphenylethane
Conditions | Yield |
---|---|
With aluminium trichloride In 1,2-dichloro-ethane Product distribution; Further Variations:; reagent amount; | A 64% B 3% |
chloro-trimethyl-silane
3,4-dimethylbenzyl alcohol
Triphenylphosphine oxide
A
3,4-dimethylbenzaldehyde
B
Hexamethyldisiloxane
C
triphenylphosphine
Conditions | Yield |
---|---|
With 2,6-dimethylpyridine; tetrabutylammonium tetrafluoroborate In acetonitrile at 40℃; Electrochemical reaction; | A 61% B 10% C 72 %Spectr. |
3,4-dimethylstyrene
3,4-dimethylbenzaldehyde
Conditions | Yield |
---|---|
With 1-hydroxy-pyrrolidine-2,5-dione; graphitic carbon nitride; oxygen In acetonitrile at 20℃; Inert atmosphere; Irradiation; | 60% |
Conditions | Yield |
---|---|
With aluminium trichloride In 1,2-dichloro-ethane at -30 - -4℃; for 12h; Formylation; | 43% |
Conditions | Yield |
---|---|
With oxygen; potassium carbonate In 1,4-dioxane at 60℃; for 48h; | A 40% B 20% C 30% |
Conditions | Yield |
---|---|
With aluminum (III) chloride In chlorobenzene at -12 - 18℃; for 22h; | 37% |
Conditions | Yield |
---|---|
With aluminium trichloride In chlorobenzene at -15 - -6℃; for 16h; Product distribution; Further Variations:; Temperatures; Reagents; Solvents; ratio; addition sequence; Formylation; condensation; | A 30% B n/a |
o-xylene
carbon monoxide
A
3,4-dimethylbenzaldehyde
B
5-formyl-2,3-dimethylbenzenesulfonyl fluoride
Conditions | Yield |
---|---|
With antimony pentafluoride; fluorosulphonic acid at 0℃; under 760 Torr; for 96h; Yield given; | A 6% B n/a |
Conditions | Yield |
---|---|
With hydrogenchloride; aluminium trichloride Zersetzung des Reaktionsproduktes mit Eis und Salzsaeure; |
Conditions | Yield |
---|---|
With aluminium trichloride; hydrogen cyanide at 100℃; Einleiten von HCl und anschliessend Behandeln mit Eis und wss. HCl; | |
Multi-step reaction with 2 steps 1: aluminium chloride 2: diluted alkali View Scheme | |
Multi-step reaction with 3 steps 1: aluminium chloride 2: diluted alkali View Scheme |
Conditions | Yield |
---|---|
With manganese(IV) oxide; sulfuric acid | |
With sulfuric acid In acetonitrile at 50 - 80℃; for 24h; Reagent/catalyst; |
3,4-dimethylbenzaldehyde
Conditions | Yield |
---|---|
With permanganate(VII) ion; acetone |
Conditions | Yield |
---|---|
With diluted alkali |
3,4-dimethyl-benzoic acid-(N-methyl-anilide)
3,4-dimethylbenzaldehyde
Conditions | Yield |
---|---|
With tetrahydrofuran; lithium aluminium tetrahydride |
3,4-dimethylphenylmagnesium bromide
ethyl N-phenylformimidate
3,4-dimethylbenzaldehyde
Conditions | Yield |
---|---|
With diethyl ether anschliessend mit wss.HCl; |
3,4-dimethylbenzoyl chloride
3,4-dimethylbenzaldehyde
Conditions | Yield |
---|---|
With Pd-BaSO4; xylene at 140 - 150℃; Hydrogenation; |
Conditions | Yield |
---|---|
With hydrogenchloride; diethyl ether; tin(ll) chloride Erwaermen des Reaktionsprodukts mit H2O; |
Conditions | Yield |
---|---|
titanium tetrachloride Irradiation; |
(3,4-Dimethyl-phenyl)-nitromethan
3,4-dimethylbenzaldehyde
Conditions | Yield |
---|---|
With potassium permanganate |
o-xylene
carbon monoxide
A
3,4-dimethylbenzaldehyde
B
2,3-dimethylbenzaldehyde
Conditions | Yield |
---|---|
With antimony pentafluoride; fluorosulphonic acid at 0℃; under 760 Torr; for 1h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
(4R,5R)-1-C-(1,2-dimethyl-4-nitrocyclohex-1-en-5-yl)carbaldehyde
A
3,4-dimethylbenzaldehyde
B
4,5-dimethylcyclohexa-1,4-diene-1-carbaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In methanol for 1h; Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
3,4-dimethylbenzaldehyde
acetone
(E)-4-(3,4-dimethylphenyl)but-3-en-2-one
Conditions | Yield |
---|---|
With sodium hydroxide In water at 0 - 25℃; for 6h; | 100% |
With sodium hydroxide | |
With sodium hydroxide In water at 25℃; for 12h; |
3-{[bis-(2-hydroxy-propyl)-amino]-methyl}-N-(3-hydrazinocarbonyl-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)-benzamide
3,4-dimethylbenzaldehyde
Conditions | Yield |
---|---|
In toluene at 20℃; for 15h; Heating / reflux; | 100% |
3,4-dimethylbenzaldehyde
cis, trans-1,3-dimethylaminocyclohexane
C26H34N2
Conditions | Yield |
---|---|
In methanol at 20℃; Molecular sieve; | 100% |
In methanol at 20℃; Molecular sieve; |
3,4-dimethylbenzaldehyde
N-prenyl-N-propargyltosylamide
C24H29NO3S
Conditions | Yield |
---|---|
Stage #1: N-prenyl-N-propargyltosylamide With ethylmagnesium bromide In tetrahydrofuran at 50℃; for 1h; Stage #2: 3,4-dimethylbenzaldehyde In tetrahydrofuran at 20℃; for 3h; | 100% |
Stage #1: N-prenyl-N-propargyltosylamide With ethylmagnesium bromide In tetrahydrofuran at 50℃; for 1h; Stage #2: 3,4-dimethylbenzaldehyde In tetrahydrofuran at 20℃; for 3h; |
diethoxyphosphoryl-acetic acid ethyl ester
3,4-dimethylbenzaldehyde
(E)-ethyl 3-(3,4-dimethylphenyl)acrylate
Conditions | Yield |
---|---|
Stage #1: diethoxyphosphoryl-acetic acid ethyl ester With lithium chloride In tetrahydrofuran at 20℃; for 0.25h; Horner-Wadsworth-Emmons Olefination; Inert atmosphere; Stage #2: 3,4-dimethylbenzaldehyde With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran Horner-Wadsworth-Emmons Olefination; Inert atmosphere; | 100% |
With tetrabutyl ammonium fluoride In tetrahydrofuran at 30℃; for 4h; Glovebox; | 99% |
Stage #1: diethoxyphosphoryl-acetic acid ethyl ester With sodium hydride In tetrahydrofuran at 20℃; for 0.5h; Stage #2: 3,4-dimethylbenzaldehyde In tetrahydrofuran |
3,4-dimethylbenzaldehyde
D-sorbitol
1,3:2,4-di-O-(3,4-dimethylbenzylidene)-D-sorbitol
Conditions | Yield |
---|---|
toluene-4-sulfonic acid In acetonitrile at 20℃; for 12h; Product distribution / selectivity; | 99% |
With trimethyl orthoformate; bismuth(lll) trifluoromethanesulfonate In methanol at 20℃; for 48h; Product distribution / selectivity; | 99% |
With trimethyl orthoformate; bismuth(lll) trifluoromethanesulfonate In methanol at 20℃; for 49h; Product distribution / selectivity; Heating / reflux; | 99% |
tetrahydrofuran-2,4-dione
1-Phenyl-3-methyl-5-aminopyrazole
3,4-dimethylbenzaldehyde
4-(3,4-dimethylphenyl)-3-methyl-1-phenyl-1H-furo[3,4-e]pyrazolo[3,4-b]pyridine-5(7H)-one
Conditions | Yield |
---|---|
With N-benzyl-N,N,N-triethylammonium chloride In water at 90℃; for 10h; | 97% |
With 1-n-butyl-3-methylimidazolim bromide at 95℃; for 2h; | 91% |
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,3-bis(mesityl)imidazolium chloride In dimethyl sulfoxide at 80℃; for 0.5h; | 97% |
Conditions | Yield |
---|---|
With palladium/alumina; hydrogen In hexane at 325℃; Flow reactor; Green chemistry; | A 96.2% B 3.8% |
With hydrogen In hexane at 325℃; Flow reactor; Green chemistry; | A 15.9% B 84.2% |
3,4-dimethylbenzaldehyde
1,3-cylohexanedione
1-amino-5,5-dimethylcyclohexen-3-one
Conditions | Yield |
---|---|
With N-benzyl-N,N,N-triethylammonium chloride In water at 100℃; for 6h; | 96% |
N-(2-hydrazinocarbonyl-4-piperidin-1-yl-phenyl)-3,4-dimethoxy-benzamide
3,4-dimethylbenzaldehyde
Conditions | Yield |
---|---|
acetic acid In toluene at 20 - 90℃; for 16h; | 96% |
3,4-dimethylbenzaldehyde
guanidine hydrogen carbonate
cyclohexanone
(E)-8-(3,4-dimethylbenzylidene)-4-(3,4-dimethylphenyl)-5,6,7,8-tetrahydroquinazolin-2-amine
Conditions | Yield |
---|---|
With sodium hydroxide at 70℃; for 0.25h; | 96% |
cycl-isopropylidene malonate
3,4-dimethylbenzaldehyde
dimedone
aniline
3-(2-hydroxy-4,4-dimethyl-6-oxocyclohex-1-enyl)-3-(3,4-dimethylphenyl)-N-phenylpropanamide
Conditions | Yield |
---|---|
With N-benzyl-N,N,N-triethylammonium chloride In water at 90℃; for 12h; | 96% |
Conditions | Yield |
---|---|
With polyacrylonitrile fiber modified with triethylenetetramine In water at 50℃; for 3h; Knoevenagel condensation; | 96% |
Conditions | Yield |
---|---|
With Cp*Ir(6,6'-dionato-2,2'-bipyridine)(H2O); hydrogen In tert-Amyl alcohol at 30℃; under 760.051 Torr; for 12h; Green chemistry; | 96% |
With CdS(x)Se(1-x) x:0-1;; cesium acetate; para-thiocresol In toluene Sealed tube; Inert atmosphere; Irradiation; | 96% |
With Cp*Ir(6,6'-dionato-2,2'-bipyridine)(H2O); isopropyl alcohol at 82℃; for 6h; Inert atmosphere; Schlenk technique; chemoselective reaction; | 94% |
2-acetylpyridine
3,4-dimethylbenzaldehyde
N-Cyanoguanidine
N-(4-(3,4-dimethylphenyl)-6-(pyridin-2-yl)pyrimidin-2-yl)cyanamide
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol at 80℃; for 1h; | 96% |
Conditions | Yield |
---|---|
With [silica-OSi(OMe)2C3H6(N2C3(CH3)H2)C4H8SO3H]HSO4 In water for 2h; | 96% |
With boron trifluoride diethyl etherate In dichloromethane Inert atmosphere; |
5-amino-1H-indole
3,4-dimethylbenzaldehyde
dimedone
8,9-dihydro-8,8-dimethyl-11-(3,4-dimethylphenyl)-3H-pyrrolo[3,2-a]acridin-10(6H,7H,11H)-one
Conditions | Yield |
---|---|
In ethanol for 10h; Reflux; | 96% |
3,4-dimethylbenzaldehyde
anthranilic acid nitrile
2-(3,4-dimethylphenyl)quinazolin-4(3Η)-one
Conditions | Yield |
---|---|
With 1,10-Phenanthroline; caesium carbonate; copper dichloride In water at 80℃; for 12h; | 96% |
Stage #1: anthranilic acid nitrile With bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]; butyraldehyde oxime In para-xylene at 70℃; Schlenk technique; Inert atmosphere; Stage #2: 3,4-dimethylbenzaldehyde In para-xylene at 110℃; for 4h; Inert atmosphere; Schlenk technique; | 83% |
Stage #1: anthranilic acid nitrile With bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]; butyraldehyde oxime In para-xylene at 70℃; for 12h; Schlenk technique; Stage #2: 3,4-dimethylbenzaldehyde In para-xylene at 20 - 110℃; for 4h; Schlenk technique; | 83% |
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