4-(2-hydroxyethoxy)-3,5-dimethylbenzaldehyde
- Product Name
- 4-(2-hydroxyethoxy)-3,5-dimethylbenzaldehyde
- CAS No.
- 1039948-89-4
- Chemical Name
- 4-(2-hydroxyethoxy)-3,5-dimethylbenzaldehyde
- Synonyms
- 100794;4-(2-hydroxyethoxy)-3,5-dimethylbenzaldehyde;Benzaldehyde, 4-(2-hydroxyethoxy)-3,5-dimethyl-
- CBNumber
- CB61736021
- Molecular Formula
- C11H14O3
- Formula Weight
- 194.23
- MOL File
- 1039948-89-4.mol
4-(2-hydroxyethoxy)-3,5-dimethylbenzaldehyde Property
- Boiling point:
- 348.2±37.0 °C(Predicted)
- Density
- 1.131±0.06 g/cm3(Predicted)
- storage temp.
- under inert gas (nitrogen or Argon) at 2-8°C
- pka
- 14.24±0.10(Predicted)
Safety
- HS Code
- 2912490090
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
- Precautionary statements
-
P280Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- B443935
- Product name
- 4-(2-Hydroxyethoxy)-3,5-dimethylbenzaldehyde
- Packaging
- 50mg
- Price
- $45
- Updated
- 2021/12/16
- Product number
- B443935
- Product name
- 4-(2-Hydroxyethoxy)-3,5-dimethylbenzaldehyde
- Packaging
- 100mg
- Price
- $90
- Updated
- 2021/12/16
- Product number
- OR923041
- Product name
- 4-(2-Hydroxyethoxy)-3,5-dimethylbenzaldehyde
- Packaging
- 250mg
- Price
- $304
- Updated
- 2021/12/16
- Product number
- 0935AA
- Product name
- 4-(2-Hydroxyethoxy)-3,5-dimethylbenzaldehyde
- Packaging
- 1g
- Price
- $354
- Updated
- 2021/12/16
- Product number
- CHM0389560
- Product name
- 4-(2-HYDROXYETHOXY)-3,5-DIMETHYLBENZALDEHYDE
- Purity
- 95.00%
- Packaging
- 5MG
- Price
- $499.46
- Updated
- 2021/12/16
4-(2-hydroxyethoxy)-3,5-dimethylbenzaldehyde Chemical Properties,Usage,Production
Synthesis
2233-18-3
107-07-3
1039948-89-4
General procedure for the synthesis of 3,5-dimethyl-4-hydroxybenzaldehyde from 3,5-dimethyl-4-hydroxybenzaldehyde and 2-chloroethanol: 1. In a 2L dry round bottom flask, add a solution of 3,5-dimethyl-4-hydroxybenzaldehyde (26.9 g, 0.179 mol) in ethanol (350 mL). 2. 2-Chloroethanol (87.6 g, 1.074 mol) and K2CO3 (99 g, 0.716 mol) were added and the reaction mixture was heated to reflux for 24 hours. 3. The reaction mixture was cooled to room temperature and filtered. The solvent was removed under reduced pressure. 4. The crude product was diluted with ethyl acetate and the organic layer was washed with water and brine and dried with Na2SO4. 5. After removing the solvent, 45g of crude product was obtained. 6. The crude product was purified by column chromatography (silica gel 230-400 mesh; 50% hexane solution of ethyl acetate as eluent) to give 33.3 g (95%) of product. Steps for the synthesis of 2-(4-(2-hydroxyethoxy)-3,5-dimethylphenyl)-5,7-dimethoxyquinazolin-4(3H)-one: 1. dissolve 2-amino-4,6-dimethoxybenzamide (33.45 g, 0.170 mol) and 4-(2-hydroxyethoxy)-3,5-dimethylbenzaldehyde (33.3 g, 0.170 mol) in N,N-dimethylacetamide (300 mL). 2. NaHSO3 (33.3 g, 0.187 mol) and p-TSA (3.2 g, 17.1 mmol) were added and the reaction mixture was heated at 150 °C for 14 hours. 3. The reaction was cooled to room temperature. The solvent was removed under reduced pressure. 4. The residue was diluted with water and stirred at room temperature for 30 min. 5. The separated solid was filtered and dried to give the crude product. 6. The crude product was purified by column chromatography (silica gel 230-400 mesh; CH2Cl2 solution in 5% methanol as eluent) to afford 2-(4-(2-hydroxyethoxy)-3,5-dimethylphenyl)-5,7-dimethoxyquinazolin-4(3H)-one (33 g, 52%).
References
[1] Patent: US2008/188467, 2008, A1. Location in patent: Page/Page column 33
[2] Patent: US2013/281397, 2013, A1. Location in patent: Paragraph 0477
[3] Patent: CN103319408, 2016, B. Location in patent: Paragraph 0406-0410
[4] Patent: WO2008/92231, 2008, A1. Location in patent: Page/Page column 63-64
[5] Patent: CN108218798, 2018, A. Location in patent: Paragraph 0057; 0058
4-(2-hydroxyethoxy)-3,5-dimethylbenzaldehyde Preparation Products And Raw materials
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