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| CAS No.: | 7721-62-2 |
|---|---|
| Name: | 4,5-dimethoxy-2-methylbenzaldehyde |
| Article Data: | 28 |
| Molecular Structure: | |
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|
|
| Formula: | C10H12O3 |
| Molecular Weight: | 180.203 |
| Synonyms: | 4,5-Dimethoxy-2-methyl-benzaldehyd;4,5-dimethoxy-2-methyl-benzaldehyde;2-Methyl-4,5-dimethoxybenzaldehyd;2-Methyl-4,5-dimethoxybenzaldehyde;6-methylveratraldehyde; |
| EINECS: | 231-759-8 |
| Density: | 1.089g/cm3 |
| Melting Point: | 86-87℃ |
| Boiling Point: | 298.4°Cat760mmHg |
| Flash Point: | 125.1°C |
| PSA: | 35.53000 |
| LogP: | 1.82470 |
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- 97730-31-9(S)-4'-(2-Methylbutyl)Biphenyl-4-Carbonitrile
- 4885-02-3
Dichloromethyl methyl ether
- 494-99-5
1,2-dimethoxy-4-methylbenzene
- 7721-62-2
4,5-dimethoxy-2-methylbenzaldehyde
| Conditions | Yield |
|---|---|
| With tin(IV) chloride In 1,2-dichloro-ethane 1.) ice-bath, 30 min, 2.) ice-bath temperature->room temperature, 24 h; | 97% |
| With tin(IV) chloride In 1,2-dichloro-ethane 1.) 0 deg C, 20 min, 2.) RT, overnight; | 15.2 g |
- 494-99-5
1,2-dimethoxy-4-methylbenzene
- 68-12-2, 33513-42-7
N,N-dimethyl-formamide
- 7721-62-2
4,5-dimethoxy-2-methylbenzaldehyde
| Conditions | Yield |
|---|---|
| With trichlorophosphate at 90 - 95℃; Vilsmeier formylation; Inert atmosphere; | 94% |
| Stage #1: N,N-dimethyl-formamide With trichlorophosphate for 0.5h; Cooling with ice; Stage #2: 1,2-dimethoxy-4-methylbenzene at 90℃; Temperature; | 90% |
| With trichlorophosphate at 0 - 80℃; for 4h; | 88% |
- 113976-02-6
2-(4,5-dimethoxy-2-methylphenyl)-1,3-dioxolane
- 7721-62-2
4,5-dimethoxy-2-methylbenzaldehyde
| Conditions | Yield |
|---|---|
| With hydrogenchloride In tetrahydrofuran Ambient temperature; | 91% |
| With hydrogenchloride In diethyl ether; water at 20℃; for 2h; | 5.55 g |
| Conditions | Yield |
|---|---|
| Stage #1: C10H11N3O2 With triphenylphosphine In tetrahydrofuran at 0℃; for 24h; Inert atmosphere; Stage #2: acetic anhydride In tetrahydrofuran at 0℃; for 2h; Inert atmosphere; | A 23% B 76% |
- 7721-61-1
2-methyl-4-methoxy-5-hydroxybenzaldehyde
- 77-78-1
dimethyl sulfate
- 7721-62-2
4,5-dimethoxy-2-methylbenzaldehyde
| Conditions | Yield |
|---|---|
| With sodium hydroxide In ethanol for 3h; Heating; | 73.7% |
- 7721-62-2
4,5-dimethoxy-2-methylbenzaldehyde
| Conditions | Yield |
|---|---|
| Stage #1: C10H11N3O2 With triphenylphosphine In tetrahydrofuran at 20 - 25℃; for 24h; Inert atmosphere; Stage #2: With acetic anhydride In tetrahydrofuran at 0℃; for 2h; Inert atmosphere; | 54% |
- 74-90-8
hydrogen cyanide
- 494-99-5
1,2-dimethoxy-4-methylbenzene
- 7721-62-2
4,5-dimethoxy-2-methylbenzaldehyde
| Conditions | Yield |
|---|---|
| With hydrogenchloride; aluminium trichloride at 40℃; Behandlung des Reaktionsprodukts mit Eis und verd.Salzsaeure; |
- 857592-14-4
(4,5-dimethoxy-2-methyl-benzyliden)-aniline
- 7721-62-2
4,5-dimethoxy-2-methylbenzaldehyde
| Conditions | Yield |
|---|---|
| With hydrogenchloride |
- 7721-62-2
4,5-dimethoxy-2-methylbenzaldehyde
| Conditions | Yield |
|---|---|
| (i) aq. OsO4, THF, (ii) NaIO4; Multistep reaction; |
- 52806-46-9
1-bromo-4,5-dimethoxy-2-methylbenzene
- 68-12-2, 33513-42-7
N,N-dimethyl-formamide
- 7721-62-2
4,5-dimethoxy-2-methylbenzaldehyde
| Conditions | Yield |
|---|---|
| With magnesium 1.) THF; Multistep reaction; | |
| With tert.-butyl lithium 1) THF, pentane, 45 s, -78 deg C 2) THF a) 5 min, -78 deg C b) 2 h, r.t.; Yield given. Multistep reaction; |
- Total:22 Page 1 of 1 1
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