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CAS No.: | 86-81-7 |
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Name: | 3,4,5-Trimethoxybenzaldehyde |
Article Data: | 250 |
Molecular Structure: | |
Formula: | C10H12O4 |
Molecular Weight: | 196.203 |
Synonyms: | NSC 16692; |
EINECS: | 201-701-6 |
Density: | 1.133 g/cm3 |
Melting Point: | 72-74 °C(lit.) |
Boiling Point: | 311.4 °C at 760 mmHg |
Flash Point: | 136.8 °C |
Solubility: | slightly soluble in water; soluble in methanol: 0.1 g/mL, clear |
Appearance: | white to creamy powder or flakes |
Hazard Symbols: | Xi,C |
Risk Codes: | 36/37/38-34 |
Safety: | 22-24/25-45-36/37/39-27-26 |
PSA: | 44.76000 |
LogP: | 1.52490 |
acetoxy(benzo[1,3]dioxol-5-yl)(dimethylphenylsilyloxy)methane
3,4,5-trimethoxy-benzaldehyde
Conditions | Yield |
---|---|
With silica gel Hydrolysis; | 100% |
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; V/SiO2 In decane; tert-butyl alcohol at 25℃; for 5h; | 99.6% |
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; oxygen In aq. phosphate buffer; acetonitrile at 20℃; for 24h; pH=6; Enzymatic reaction; | 99% |
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; | 99% |
3,4,5-trimethoxy-benzaldehyde
Conditions | Yield |
---|---|
Stage #1: 2,6-dibromo-3,4,5-trimethoxybenzyl alcohol With potassium pyrosulfate In hexane at 36℃; for 120h; Stage #2: With sodium nitrate; hydrogen hexachloroiridate In hexane at 45℃; for 3h; Temperature; | 99.1% |
(dimethylphenylsilyl)(3,4,5-trimethoxyphenyl)methanol
3,4,5-trimethoxy-benzaldehyde
Conditions | Yield |
---|---|
Stage #1: (dimethylphenylsilyl)(3,4,5-trimethoxyphenyl)methanol With tert.-butylnitrite In benzene Nitrosation; Stage #2: In benzene at 0℃; Elimination; Photolysis; Further stages.; | 98% |
Conditions | Yield |
---|---|
With 1-dodecyl-3-methylimidazolium iron chloride; periodic acid at 30℃; for 1.5h; | 98% |
Multi-step reaction with 2 steps 1: 90 °C 2: acetic acid; water / 80 °C View Scheme |
Conditions | Yield |
---|---|
With sodium hydroxide; adogen 464 In dichloromethane; water for 16h; Ambient temperature; | 96% |
With potassium hydroxide; sodium carbonate In water; acetone for 18h; Heating; | 91.5% |
With potassium carbonate In acetone for 2h; Heating; | 9 g |
With potassium carbonate In acetone Williamson Ether Synthesis; |
2-(3,4,5-trimethoxyphenyl)-1,3-dithiane
3,4,5-trimethoxy-benzaldehyde
Conditions | Yield |
---|---|
Stage #1: 2-(3,4,5-trimethoxyphenyl)-1,3-dithiane With acetyl chloride; sodium nitrite In dichloromethane at 0 - 5℃; for 0.25h; Stage #2: With water In dichloromethane at 0 - 20℃; for 1.25h; | 96% |
With tetra-N-butylammonium tribromide In dichloromethane at 0 - 5℃; for 0.5h; | 86% |
With tert.-butylhydroperoxide In methanol; water Heating; | 76% |
3,4,5-trimethoxy-benzaldehyde
Conditions | Yield |
---|---|
With tetra-N-butylammonium tribromide In dichloromethane at 0 - 5℃; for 0.0833333h; | 96% |
Stage #1: 5-(bis-ethylsulfanyl-methyl)-1,2,3-trimethoxy-benzene With acetyl chloride; sodium nitrite In dichloromethane at 0 - 5℃; for 0.25h; Stage #2: With water In dichloromethane at 0 - 20℃; for 0.5h; | 96% |
With dihydrogen peroxide; vanadia; ammonium bromide In dichloromethane; water at 0 - 5℃; for 1.5h; | 94% |
With ammonium heptamolybdate; dihydrogen peroxide; ammonium bromide; perchloric acid In dichloromethane; water at 0 - 5℃; for 0.5h; | 80% |
Conditions | Yield |
---|---|
With caesium carbonate In 1,2-dimethoxyethane at 145℃; for 0.416667h; Microwave irradiation; Inert atmosphere; Sealed vessel; | 96% |
1,2-dihydro-1-(3,4,5-trimethoxybenzoyl)-2-quinolinecarbonitrile
A
quinoline-2-carboxylic acid
B
3,4,5-trimethoxy-benzaldehyde
Conditions | Yield |
---|---|
With sulfuric acid at 107℃; for 1h; | A n/a B 95% |
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