4-Benzyloxy-3-ethoxybenzaldehyde

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4-Benzyloxy-3-ethoxybenzaldehyde Basic information
Product Name:4-Benzyloxy-3-ethoxybenzaldehyde
Synonyms:AKOS B004476;ASISCHEM N40480;2-(Benzyloxy)-5-formylphenetole;Benzaldehyde, 3-ethoxy-4-(phenylmethoxy)-;3-ethoxy-4-(phenylmethoxy)benzaldehyde;Benzaldehyde, 4-benzyloxy-3-ethoxy-;4-Benzyloxy-3-ethoxybenzaldehyde
CAS:60186-33-6
MF:C16H16O3
MW:256.3
EINECS:
Product Categories:
Mol File:60186-33-6.mol
4-Benzyloxy-3-ethoxybenzaldehyde Structure
4-Benzyloxy-3-ethoxybenzaldehyde Chemical Properties
Melting point 56-58°C
storage temp. under inert gas (nitrogen or Argon) at 2-8°C
CAS DataBase Reference60186-33-6(CAS DataBase Reference)
Safety Information
Hazard Codes Xi
Risk Statements 43
Safety Statements 36/37
HazardClass IRRITANT
MSDS Information
4-Benzyloxy-3-ethoxybenzaldehyde Usage And Synthesis
Synthesis
Ethyl vanillin

121-32-4

Benzyl bromide

100-39-0

4-BENZYLOXY-3-ETHOXYBENZALDEHYDE

60186-33-6

The general procedure for the synthesis of 4-benzyloxy-3-ethoxybenzaldehyde from ethyl vanillin and benzyl bromide was as follows: to a solution of N,N-dimethylformamide (5 mL) of 3-ethoxy-4-hydroxybenzaldehyde (830 mg, 5 mmol) was slowly added K2CO3 (20 mg), followed by the dropwise addition of benzyl bromide (6 mmol) at a temperature of less than 40 °C. The reaction mixture was stirred at room temperature for 2 hours. After completion of the reaction, the mixture was poured into ice water (10 mL) and extracted with diethyl ether. The organic phase was washed sequentially with water and sodium hydroxide solution, dried and concentrated to give 4-benzyloxy-3-ethoxybenzaldehyde (18) (1.1 g, 85% yield). Referring to the synthesis of compounds 11-16, compound 18 was reacted with locustine to produce 14-(4-(benzyloxy)-3-ethoxybenzylidene)locustine (20) (120 mg, 30% yield).

References[1] Bioorganic and Medicinal Chemistry Letters, 2016, vol. 26, # 5, p. 1495 - 1497
[2] Patent: EP1577290, 2005, A1. Location in patent: Page/Page column 95
[3] Patent: EP1640360, 2006, A1. Location in patent: Page/Page column 59
4-Benzyloxy-3-ethoxybenzaldehyde Preparation Products And Raw materials
Raw materialsEthyl vanillin-->Benzyl bromide-->Potassium carbonate-->N,N-Dimethylformamide
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