Conditions | Yield |
---|---|
Stage #1: 3,5-dihydroxyphenol; acetonitrile With hydrogenchloride; zinc(II) chloride In di-isopropyl ether at 0℃; Stage #2: With water for 2h; Reflux; | 96.2% |
Stage #1: 3,5-dihydroxyphenol; acetonitrile With hydrogenchloride; zinc(II) chloride In diethyl ether at -20℃; for 2h; Stage #2: With water for 2h; Reflux; | 80% |
With hydrogenchloride; zinc(II) chloride In diethyl ether for 6h; Cooling with ice; | 80.7% |
1-(2,4,6-tris((tert-butyldimethylsilyl)oxy)phenyl)ethan-1-one
2,4,6-trihydroxyacetophenone
Conditions | Yield |
---|---|
With N,N,N',N'-tetramethylguanidine In acetonitrile at 50℃; for 1h; | 92% |
Conditions | Yield |
---|---|
With 4-chlorophenylethylamine; copper(I) bromide at 5℃; for 35h; Temperature; Reflux; | 92% |
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In ethyl acetate at 40℃; for 10h; | 90% |
With boron trifluoride diethyl etherate In ethyl acetate at 40℃; for 10h; | 90% |
With boron trifluoride diethyl etherate at 20℃; for 15h; Inert atmosphere; | 88% |
2,4,6-trihydroxyacetophenone
Conditions | Yield |
---|---|
With water Heating; | 90% |
With water for 3h; Reflux; | 20% |
With water for 3h; Reflux; | 20% |
With water for 1.5h; Heating; | |
In water for 2h; Reflux; |
1-{4-[(tert-butyldimethylsilyl)oxy]-2,6-dihydroxyphenyl}ethan-1-one
2,4,6-trihydroxyacetophenone
Conditions | Yield |
---|---|
With KF-Al2O3 (basic) In acetonitrile for 18h; Ambient temperature; | 86% |
1-[2,4,6-tris(acetyloxy)phenyl]ethanone
2,4,6-trihydroxyacetophenone
Conditions | Yield |
---|---|
With water; sodium acetate In ethanol for 5h; Reflux; | 86% |
Conditions | Yield |
---|---|
With carbon disulfide; aluminum (III) chloride In nitrobenzene at 20 - 50℃; for 1h; | 85.7% |
Stage #1: 3,5-dihydroxyphenol With aluminum (III) chloride In dichloromethane; nitrobenzene at 0℃; Inert atmosphere; Stage #2: acetyl chloride In dichloromethane; nitrobenzene at 0 - 90℃; for 4h; Inert atmosphere; | 85% |
Stage #1: 3,5-dihydroxyphenol With aluminum (III) chloride In nitrobenzene; 1,2-dichloro-ethane at 0℃; for 0.166667h; Friedel-Crafts Acylation; Inert atmosphere; Stage #2: acetyl chloride In nitrobenzene; 1,2-dichloro-ethane for 5h; Friedel-Crafts Acylation; Inert atmosphere; | 82.5% |
Conditions | Yield |
---|---|
With zinc(II) chloride at 140 - 145℃; for 2h; Friedel Crafts acylation; | 80% |
With boron trifluoride |
1-[2,4-bis(benzyloxy)-6-hydroxyphenyl]ethanone
2,4,6-trihydroxyacetophenone
Conditions | Yield |
---|---|
With triethylammonium formate; palladium on activated charcoal for 2h; Ambient temperature; | 75% |
3,5-dihydroxyphenol
acetic anhydride
A
2,4-diacetylphloroglucinol
B
2,4,6-trihydroxyacetophenone
Conditions | Yield |
---|---|
With zinc(II) chloride at 145 - 150℃; for 0.25h; | A 25% B 50% |
3,5-dihydroxyphenol
benzene-1,4-diyl diacetate
A
2,4,6-trihydroxyacetophenone
B
2,5-Dihydroxyacetophenone
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In benzene for 0.5h; cross Fries reaction; microwave irradiation; | A 35% B 40% |
acetylacetone
malonic acid dimethyl ester
A
2,4,6-trihydroxyacetophenone
B
methyl orsellinate
Conditions | Yield |
---|---|
With n-butyllithium; sodium hydride In tetrahydrofuran; hexane for 48h; Heating; | A 30% B 8% |
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In benzene for 3h; crossover Friess rearrangement; Heating; | 30% |
3,5-dihydroxyphenol
A
4-methyl-5,7-dihydroxycoumarin
B
2,4,6-trihydroxyacetophenone
Conditions | Yield |
---|---|
With aluminium trichloride; nitrobenzene; acetyl chloride Erhitzen des Reaktionsprodukts mit wss. Salzsaeure; |
Conditions | Yield |
---|---|
With sodium hydroxide at 25℃; | |
With sodium methylate In methanol |
Conditions | Yield |
---|---|
With sodium hydroxide at 25℃; | |
Multi-step reaction with 2 steps 1: diluted NaOH-solution 2: diluted NaOH-solution / 25 °C View Scheme |
2,4,6-trihydroxyacetophenone
Conditions | Yield |
---|---|
With water at 160 - 170℃; |
2,4,6-trihydroxyacetophenone
3,5-dihydroxyphenol
acetyl chloride
A
4-methyl-5,7-dihydroxycoumarin
B
2,4,6-trihydroxyacetophenone
Conditions | Yield |
---|---|
With aluminium trichloride; nitrobenzene Erhitzen des Reaktionsprodukts mit wss.HCl; |
methyl 3,5,7-trioxooctanoate
2,4,6-trihydroxyacetophenone
Conditions | Yield |
---|---|
With potassium hydroxide |
2-hydroxy-4,6-dimethoxyacetophenone
A
2,4,6-trihydroxyacetophenone
B
4,6-dihydroxy-2-methoxyacetophenone
Conditions | Yield |
---|---|
With aluminium trichloride In chlorobenzene for 1h; Heating; | A 1.6 g B 2.0 g |
3,5-dihydroxyphenol
acetic acid
A
2,4-diacetylphloroglucinol
B
2,4,6-trihydroxyacetophenone
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate at 100℃; for 2h; |
1-(2,4,6-trimethoxyphenyl)ethanone
A
2-hydroxy-4,6-dimethoxyacetophenone
B
2,4,6-trihydroxyacetophenone
C
2,6-dihydroxy-4-methoxy-acetophenone
D
4,6-dihydroxy-2-methoxyacetophenone
Conditions | Yield |
---|---|
With aluminium trichloride In chlorobenzene | A n/a B n/a C n/a D 29 % Chromat. |
Conditions | Yield |
---|---|
With pyridine hydrochloride |
Conditions | Yield |
---|---|
With In methanol; water |
hydrogenchloride
3,5-dihydroxyphenol
diethyl ether
acetonitrile
2,4,6-trihydroxyacetophenone
Conditions | Yield |
---|---|
nachfolgend Kochen des Reaktionsproduktes mit Wasser; |
3,5-dihydroxyphenol
Resorcinol diacetate
sulfuric acid
A
2',4'-dihydroxy-4-acetophenone
B
2,4-diacetylphloroglucinol
C
2,4,6-trihydroxyacetophenone
2,4,6-trihydroxyacetophenone
Conditions | Yield |
---|---|
With water |
2,4,6-trihydroxyacetophenone
dimethyl sulfate
2-hydroxy-4,6-dimethoxyacetophenone
Conditions | Yield |
---|---|
With potassium carbonate In acetone Inert atmosphere; | 100% |
With potassium carbonate In acetone for 3h; Reflux; | 100% |
With potassium carbonate In acetone at 66℃; for 2h; Inert atmosphere; | 100% |
Dimethoxymethane
2,4,6-trihydroxyacetophenone
2'-hydroxy-4',6'-bis(methoxymethoxy)acetophenone
Conditions | Yield |
---|---|
Stage #1: Dimethoxymethane With acetyl chloride; zinc dibromide In dichloromethane at 20 - 30℃; for 3.5h; Stage #2: 2,4,6-trihydroxyacetophenone With N-ethyl-N,N-diisopropylamine In dichloromethane at 5 - 10℃; | 100% |
Stage #1: Dimethoxymethane With acetyl chloride; zinc dibromide at 20℃; for 2h; Inert atmosphere; Stage #2: 2,4,6-trihydroxyacetophenone With diisopropylamine In dichloromethane for 3h; Inert atmosphere; Cooling with ice; regioselective reaction; | 50% |
Stage #1: Dimethoxymethane With acetyl chloride; zinc dibromide In dichloromethane at 20℃; for 3.5h; Stage #2: 2,4,6-trihydroxyacetophenone With N-ethyl-N,N-diisopropylamine In dichloromethane at 5℃; |
2,4,6-trihydroxyacetophenone
tert-butyldimethylsilyl chloride
1-{4-[(tert-butyldimethylsilyl)oxy]-2,6-dihydroxyphenyl}ethan-1-one
Conditions | Yield |
---|---|
Stage #1: 2,4,6-trihydroxyacetophenone; tert-butyldimethylsilyl chloride With 1H-imidazole In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere; Stage #2: With pyridinium p-toluenesulfonate In methanol for 4h; Inert atmosphere; Reflux; | 99% |
2,4,6-trihydroxyacetophenone
acetic anhydride
3-Acetyl-5,7-bis(acetyloxy)-2-methyl-4H-1-benzopyran-4-one
Conditions | Yield |
---|---|
With sodium acetate for 9h; Heating; | 98% |
With sodium acetate | |
With sodium acetate for 10h; Heating; | 11.8 g |
With sodium acetate for 10h; Heating / reflux; | |
With sodium acetate for 10h; Heating / reflux; |
dimedone
2,4,6-trihydroxyacetophenone
isobutyraldehyde
2-(1-(3-acetyl-2,4,6-trihydroxy-5-(1-(2-hydroxy-4,4-dimethyl-6-oxocyclohex-1-enyl)-2-methylpropyl)phenyl)-2-methylpropyl)-3-hydroxy-5,5-dimethylcyclohex-2-enone
Conditions | Yield |
---|---|
Stage #1: dimedone; isobutyraldehyde With piperidine In dichloromethane at 20℃; for 0.25h; Mannich reaction; Stage #2: With hydrogenchloride; ammonium chloride In water Stage #3: 2,4,6-trihydroxyacetophenone With sodium hydride In tetrahydrofuran at 20℃; for 3h; Friedel Crafts alkylation; | 96% |
2,4,6-trihydroxyacetophenone
acetic anhydride
acetic acid 5-acetoxy-2-acetyl-3-hydroxyphenyl ester
Conditions | Yield |
---|---|
With pyridine; dmap at 60℃; for 3h; | 95% |
With pyridine; dmap at 60℃; for 3h; | 95% |
With pyridine for 5h; Ambient temperature; | 38% |
With pyridine |
2,4,6-trihydroxyacetophenone
chloromethyl methyl ether
2,4,6-tri-MOM phloracetophenone
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 0.75h; | 95% |
With sodium hydride In N,N-dimethyl-formamide at 85℃; for 4h; Temperature; | 95% |
Stage #1: 2,4,6-trihydroxyacetophenone With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; for 0.0833333h; Inert atmosphere; Stage #2: chloromethyl methyl ether In N,N-dimethyl-formamide; mineral oil at 0 - 20℃; for 0.75h; Inert atmosphere; | 83% |
2,4,6-trihydroxyacetophenone
tert-butyldimethylsilyl chloride
1-(2,4,6-tris((tert-butyldimethylsilyl)oxy)phenyl)ethan-1-one
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; silylation; | 95% |
With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 3h; | 91% |
2,4,6-trihydroxyacetophenone
benzyl bromide
1-[2,4-bis(benzyloxy)-6-hydroxyphenyl]ethanone
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 6h; | 95% |
With potassium carbonate In N,N-dimethyl-formamide | 94% |
With potassium carbonate In acetonitrile for 3h; Reflux; | 91% |
Conditions | Yield |
---|---|
With tin(IV) chloride In 1,2-dichloro-ethane Heating; | 95% |
2,4,6-trihydroxyacetophenone
acetyl chloride
3-acetyl-5,7-dihydroxy-2-methyl-chromen-4-one
Conditions | Yield |
---|---|
Stage #1: 2,4,6-trihydroxyacetophenone With potassium carbonate In tetrahydrofuran at 20 - 50℃; for 1h; Stage #2: acetyl chloride In tetrahydrofuran for 4h; Heating / reflux; Stage #3: With hydrogenchloride In tetrahydrofuran; water | 95% |
With 1,8-diazabicyclo[5.4.0]undec-7-ene In pyridine at 80 - 90℃; for 7h; | 51% |
bromethyl methyl ether
2,4,6-trihydroxyacetophenone
2,4,6-tri-MOM phloracetophenone
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 3h; | 95% |
Conditions | Yield |
---|---|
With potassium carbonate; dimethyl sulfate In acetone | 94.4% |
With dimethylsulfide; potassium carbonate In acetone at 20℃; |
2,4,6-trihydroxyacetophenone
chloromethyl methyl ether
2'-hydroxy-4',6'-bis(methoxymethoxy)acetophenone
Conditions | Yield |
---|---|
Stage #1: 2,4,6-trihydroxyacetophenone With N-ethyl-N,N-diisopropylamine In dichloromethane at 0℃; Inert atmosphere; Stage #2: chloromethyl methyl ether In dichloromethane at 0 - 20℃; | 94% |
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 0.25h; Inert atmosphere; | 94% |
With potassium carbonate In acetone Reflux; | 90% |
2,4,6-trihydroxyacetophenone
tert-butyldimethylsilyl chloride
1-(2,4-bis((tert-butyldimethylsilyl)oxy)-6-hydroxyphenyl)-2-ethan-1-one
Conditions | Yield |
---|---|
With 1H-imidazole In N,N-dimethyl-formamide for 0.5h; | 94% |
With 1H-imidazole In N,N-dimethyl-formamide for 2h; | 92% |
With triethylamine In dichloromethane at 20℃; for 1.5h; Inert atmosphere; | 83% |
2,4,6-trihydroxyacetophenone
p-toluenesulfonyl chloride
4-acetyl-5-hydroxy-1,3-phenylene bis(4-methylbenzenesulfonate)
Conditions | Yield |
---|---|
With potassium carbonate In acetone Inert atmosphere; Reflux; | 94% |
With potassium carbonate In acetone for 5h; Reflux; |
Conditions | Yield |
---|---|
With triethylamine In diethyl ether at 7℃; Heating; | 93% |
Conditions | Yield |
---|---|
With ethylenediamine diacetic acid In dichloromethane at 20℃; for 10h; | 93% |
2,4,6-trihydroxyacetophenone
triisopropylsilyl trifluoromethanesulfonate
1-(2-hydroxy-4,6-diisopropylsilyloxyphenyl)ethanone
Conditions | Yield |
---|---|
Stage #1: 2,4,6-trihydroxyacetophenone With triethylamine In dichloromethane; water at -78 - 20℃; Inert atmosphere; Stage #2: triisopropylsilyl trifluoromethanesulfonate In dichloromethane; water at -78℃; for 1h; Inert atmosphere; | 93% |
2,4,6-trihydroxyacetophenone
acetic anhydride
2,4-diacetylphloroglucinol
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate; acetic acid for 21h; Heating; | 92% |
With boron trifluoride diethyl etherate at 20℃; for 24h; Acetylation; | 90% |
Stage #1: 2,4,6-trihydroxyacetophenone; acetic anhydride With boron trifluoride diethyl etherate In acetic acid Marchand reaction; Reflux; Stage #2: With sodium hydroxide In methanol for 5h; Stage #3: With hydrogenchloride In methanol; water |
2,4,6-trihydroxyacetophenone
o-chlorobenzoyl chloride
2',4',6'-tris(2-chlorobenzoyloxy)acetophenone
Conditions | Yield |
---|---|
With pyridine; dmap at 20℃; for 3h; | 92% |
2,4,6-trihydroxyacetophenone
methyl trifluoromethanesulfonate
2-hydroxy-4,6-dimethoxyacetophenone
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 0 - 70℃; for 10h; | 92% |
With potassium carbonate In acetone for 3h; Reflux; | 88% |
2-iodo-propane
2,4,6-trihydroxyacetophenone
1-(2-hydroxy-4,6-diisopropoxyphenyl)ethanone
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 10h; Inert atmosphere; | 92% |
2,4,6-trihydroxyacetophenone
ethyl phloroglucinol
Conditions | Yield |
---|---|
With hydrogenchloride; sodium cyanoborohydride In methanol; water for 12h; | 91% |
With amalgamated zinc; ethanol; acetic acid weiteres Reagens: wss. HCl; | |
With hydrogenchloride; sodium cyanoborohydride In methanol for 24h; | 100 % Spectr. |
With dimethylamine borane In tetrahydrofuran for 24h; Heating; |
2,4,6-trihydroxyacetophenone
N,N-dimethyl-formamide
3'-formyl-2',4',6'-trihydroxyacetophenone
Conditions | Yield |
---|---|
Stage #1: 2,4,6-trihydroxyacetophenone; N,N-dimethyl-formamide With trichlorophosphate In ethyl acetate at 20℃; for 1h; Vilsmeier-Haack Formylation; Stage #2: In water; ethyl acetate | 91% |
With trichlorophosphate at 20℃; | 70% |
With trichlorophosphate In ethyl acetate at 20℃; for 1h; Vilsmeier-Haack Formylation; Cooling with ice; | 64.7% |
With trichlorophosphate In ethyl acetate at 20℃; for 0.5h; Vilsmeier-Haack formylation; |
bromethyl methyl ether
2,4,6-trihydroxyacetophenone
2'-hydroxy-4',6'-bis(methoxymethoxy)acetophenone
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 5h; Inert atmosphere; | 91% |
Stage #1: bromethyl methyl ether; 2,4,6-trihydroxyacetophenone With N-ethyl-N,N-diisopropylamine In dichloromethane for 0.333333h; Cooling with ice; Stage #2: bromethyl methyl ether In dichloromethane for 12.3h; | 75.5% |
With N-ethyl-N,N-diisopropylamine In dichloromethane at 3℃; for 3h; Inert atmosphere; | 74.5% |
With potassium carbonate In acetone for 3h; Heating; | 68% |
With potassium carbonate In acetone for 3h; Reflux; | 68% |
Conditions | Yield |
---|---|
With silica sulphuric acid In neat (no solvent) at 60℃; Friedel-Crafts Acylation; Green chemistry; | 91% |
With methanesulfonic acid; acetic acid In neat (no solvent) at 80℃; for 0.25h; Temperature; Friedel-Crafts Acylation; Inert atmosphere; |
Molecule structure of 2,4,6-Trihydroxyacetophenone (CAS NO.480-66-0):
IUPAC Name: 1-(2,4,6-Trihydroxyphenyl)ethanone
Molecular Weight: 168.14672 g/mol
Molecular Formula: C8H8O4
Density: 1.446 g/cm3
Melting Point: 219-221 °C(lit.)
Boiling Point: 333.2 °C at 760 mmHg
Flash Point: 169.5 °C
Index of Refraction: 1.64
Molar Refractivity: 41.92 cm3
Molar Volume: 116.2 cm3
Surface Tension: 71 dyne/cm
Enthalpy of Vaporization: 59.89 kJ/mol
Vapour Pressure: 7.16E-05 mmHg at 25 °C
XLogP3-AA: 1.1
H-Bond Donor: 3
H-Bond Acceptor: 4
Rotatable Bond Count: 1
Tautomer Count: 25
Exact Mass: 168.042259
MonoIsotopic Mass: 168.042259
Topological Polar Surface Area: 77.8
Heavy Atom Count: 12
Canonical SMILES: CC(=O)C1=C(C=C(C=C1O)O)O
InChI: InChI=1S/C8H8O4/c1-4(9)8-6(11)2-5(10)3-7(8)12/h2-3,10-12H,1H3
InChIKey: XLEYFDVVXLMULC-UHFFFAOYSA-N
EINECS: 207-556-5
Product Categories: Alcohols and Derivatives; Carbonyl Compounds; Aromatic Acetophenones & Derivatives (substituted); Analytical Chemistry;Mass Spectrometry; Matrix Materials (MALDI-TOF-MS); Aromatics; Intermediates & Fine Chemicals; Pharmaceuticals
2,4,6-Trihydroxyacetophenone (CAS NO.480-66-0) is a matrix that is used in matrix-assisted laser desorption/ionization (MALDI) for the analysis of acidic glycans and glycopeptides in negative ion mode.
Hazard Codes: Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-24/25
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3
RTECS: AN0528000
Hazard Note: Irritant
HS Code: 29145000
2,4,6-Trihydroxyacetophenone (CAS NO.480-66-0) is also named as 1-(2,4,6-Trihydroxyphenyl)ethanone ; Acetophloroglucine ; Acetylphloroglucinol ; NSC 54927 ; PHLOROACETOPHENONE ; Acetophenone, 2',4',6'-trihydroxy- (8CI) ; Ethanone, 1-(2,4,6-trihydroxyphenyl)- . 2,4,6-Trihydroxyacetophenone (CAS NO.480-66-0) is light yellow crystal.
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