Quick Details CAS No.: 24650-42-8 Other Names: 2,2-Dimethoxy-2-phenylacetophenone; UV-651 MF: C16H16O3 EINECS No.: 246-386-6 Place of Origin:China (Mainland) Type: Photoinitiators Purity: 99.5% min, 99.5% min Brand Name: Lonwinchem
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inquiryProduct description: Product name 2,2-Dimethoxy-2-phenylacetophenone CAS number 24650-42-8 Assay ≥999.5% Appearance White crystal Capacity 300mt/year Application Photoinitiat
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inquiryProduct Name Benzil Dimethyl Ketal CAS No. 24650-42-8 Molecular Formula C16H16O3
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inquiryConditions | Yield |
---|---|
Stage #1: sodium methylate; benzil With dimethyl sulfate In 1,4-dioxane at 10 - 25℃; Stage #2: With sodium hydroxide In 1,4-dioxane at 105℃; | 92.6% |
benzil
2,2-dimethoxy-2-phenylacetophenone
Conditions | Yield |
---|---|
With potassium carbonate; phosphorous acid trimethyl ester In methanol; thionyl chloride; water; isopropyl alcohol | 84% |
With sodium hydroxide; sodium methylate; dimethyl sulfate In 1,4-dioxane; water |
Conditions | Yield |
---|---|
With oxygen; 9-(2-mesityl)-10-methylacridinium perchlorate In acetonitrile at 25℃; for 3h; UV-irradiation; Green chemistry; | 82% |
With 9-(2-mesityl)-10-methylacridinium perchlorate In acetonitrile at 20℃; for 3h; Irradiation; | 82% |
With thallium(III) nitrate |
2-hydroxy-2-phenylacetophenone
2,2-dimethoxy-2-phenylacetophenone
Conditions | Yield |
---|---|
With potassium carbonate; phosphorous acid trimethyl ester In methanol; thionyl chloride; sulfuryl dichloride; water; isopropyl alcohol | 79% |
Conditions | Yield |
---|---|
With sodium acetate; potassium bromide at 15℃; Electrochemical reaction; | 77% |
methanol
diphenyl acetylene
A
benzoic acid methyl ester
B
2,2-dimethoxy-2-phenylacetophenone
C
1,2-diphenyl-1,1,2,2-tetramethoxyethane
D
benzil
Conditions | Yield |
---|---|
With periodic acid for 24h; Heating; | A 5% B 71% C 1% D 5% |
With periodic acid Product distribution; Heating; |
methanol
diphenyl acetylene
A
2,2-dimethoxy-2-phenylacetophenone
B
benzil
Conditions | Yield |
---|---|
With ammonium persulfate; diphenyl diselenide for 1.5h; Heating; Yields of byproduct given; | A 84 % Turnov. B n/a |
methanol
diphenyl acetylene
A
2,2-dimethoxy-2-phenylacetophenone
B
1,2-diphenyl-1,1,2,2-tetramethoxyethane
C
benzil
Conditions | Yield |
---|---|
With iodine pentoxide for 24h; Product distribution; Heating; different molar ratios; | |
With iodine pentoxide for 24h; Heating; Yield given. Yields of byproduct given; |
2,2-dimethoxy-2-phenylacetophenone
Conditions | Yield |
---|---|
at 20℃; |
Conditions | Yield |
---|---|
With barium(II) oxide In N,N-dimethyl-formamide |
trans-α,α-dimethoxystilbene
2,2-dimethoxy-2-phenylacetophenone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 0.20 mol / ozone / CD2Cl2 / -20 °C 2: 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: 0.28 mol / ozone / CD2Cl2 / -70 °C 2: 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: 0.28 mol / ozone / CD2Cl2 / -70 °C 2: 20 °C View Scheme |
Conditions | Yield |
---|---|
With sodium methylate In N-methyl-acetamide; water |
dimethylsulfite
sulfuric acid
benzil
2,2-dimethoxy-2-phenylacetophenone
Conditions | Yield |
---|---|
In methanol; ligroin |
benzoin monomethyl ether
A
2,2-dimethoxy-2-phenylacetophenone
B
benzil
Conditions | Yield |
---|---|
With AlCl3(η1-2,2,6,6-tetramethylpiperidine-N-oxyl) In dichloromethane at 25℃; for 15h; Inert atmosphere; | A 16 %Spectr. B 53 %Spectr. |
1,2-diphenyl-2-methoxyethanol
A
2,2-dimethoxy-2-phenylacetophenone
B
benzil
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Dess-Martin periodane / dichloromethane / 2.5 h / Inert atmosphere 2: AlCl3(η1-2,2,6,6-tetramethylpiperidine-N-oxyl) / dichloromethane / 15 h / 25 °C / Inert atmosphere View Scheme |
trimethylsilyl cyanide
2,2-dimethoxy-2-phenylacetophenone
Conditions | Yield |
---|---|
With tert-butyl methyl ether; Ru[t-leu]2[(S)-binap]; lithium phenolate at -20℃; for 30h; Inert atmosphere; optical yield given as %ee; enantioselective reaction; | 96% |
2,2-dimethoxy-2-phenylacetophenone
benzil
Conditions | Yield |
---|---|
With Bi(1+)*NO3(1-)=BiNO3 In dichloromethane for 12h; Heating; | 95% |
bismuth(III) iodide In water at 100℃; for 28.4167h; | 93% |
With copper(II) sulfate; sodium iodide In acetone at 56℃; for 22h; | 84% |
With water; toluene-4-sulfonic acid In tetrahydrofuran for 20h; Heating; | |
With bismuth(lll) trifluoromethanesulfonate In tetrahydrofuran; water for 12h; Heating; |
tetrahydrofuran
2,2-dimethoxy-2-phenylacetophenone
Conditions | Yield |
---|---|
With dipotassium peroxodisulfate; tetrabutyl-ammonium chloride; sodium acetate at 120℃; regioselective reaction; | 90% |
2,2-dimethoxy-2-phenylacetophenone
2-Allyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
2-methoxy-1,2-diphenylpent-4-en-1-one
Conditions | Yield |
---|---|
With gallium; 18-crown-6 ether; silver trifluoromethanesulfonate In 1,4-dioxane at 40 - 45℃; for 60h; Sonication; Inert atmosphere; chemoselective reaction; | 82% |
1,4-dioxane
2,2-dimethoxy-2-phenylacetophenone
Conditions | Yield |
---|---|
With dipotassium peroxodisulfate; tetrabutyl-ammonium chloride; sodium acetate at 120℃; regioselective reaction; | 61% |
pyrrolidine
2,2-dimethoxy-2-phenylacetophenone
1-phenyl-3,4-dimethylphosphole
Conditions | Yield |
---|---|
With iron(II) chloride In toluene at 170℃; for 10h; Inert atmosphere; | 55% |
(vinyl)trimethoxylsilane
2,2-dimethoxy-2-phenylacetophenone
Conditions | Yield |
---|---|
With [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2; sodium formate; triphenylphosphine In toluene for 48h; Inert atmosphere; Reflux; | 38% |
2,2-dimethoxy-2-phenylacetophenone
Perbenzoic acid
Conditions | Yield |
---|---|
With oxygen In methanol Product distribution; | 13% |
2,2-dimethoxy-2-phenylacetophenone
p-toluenesulfonic acid monohydrate
benzil
Conditions | Yield |
---|---|
In 2,2'-[1,2-ethanediylbis(oxy)]bisethanol | 1% |
2,2-dimethoxy-2-phenylacetophenone
A
benzoyl radical
B
α,α'-dimethoxybenzyl radical
Conditions | Yield |
---|---|
In water; acetonitrile at 20℃; Quantum yield; Irradiation; | |
With sodium dodecyl-sulfate In water Micellar solution; Photolysis; | |
Photolysis; | |
UV-irradiation; Schlenk technique; |
2,2-dimethoxy-2-phenylacetophenone
A
benzoic acid methyl ester
B
methane
C
1,2-diphenyl-1,1,2,2-tetramethoxyethane
D
methyl 4-Benzoylbenzoate
E
acetophenone
F
benzil
Conditions | Yield |
---|---|
In acetonitrile Product distribution; Ambient temperature; Irradiation; other photolysis conditions, pulse laser photolyse; |
Conditions | Yield |
---|---|
In water; acetonitrile at 20℃; Quantum yield; Irradiation; |
2,2-dimethoxy-2-phenylacetophenone
A
benzoic acid methyl ester
B
1,2-diphenyl-1,1,2,2-tetramethoxyethane
C
benzaldehyde
D
acetophenone
E
benzil
F
benzoic acid
Conditions | Yield |
---|---|
With disodium hydrogenphosphate In water; isopropyl alcohol Quantum yield; Irradiation; laser photolysis; other solvents; |
2,2-dimethoxy-2-phenylacetophenone
Conditions | Yield |
---|---|
In various solvent(s) for 10h; UV-irradiation; |
2,2-dimethoxy-2-phenylacetophenone
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 24h; |
hexamethylene glycol diacrylate
2,2-dimethoxy-2-phenylacetophenone
Conditions | Yield |
---|---|
UV-irradiation; |
2,2-dimethoxy-2-phenylacetophenone
methacrylic acid methyl ester
dtc/DPMA terminated poly(methylmethacrylate) obtained by photo atom transfer radical polymerization of monomer, Mn = 10600-11200; monomer(s): methyl methacrylate; ferric tri(N,N-diethyldithiocarbamate); 2,2-dimethoxy-2-phenylacetophenone
Conditions | Yield |
---|---|
In toluene at 20℃; Kinetics; Further Variations:; Reagents; Photolysis; |
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