2-ALLYLOXYBENZALDEHYDE Chemical Properties

Boiling point:

130 °C/10 mmHg (lit.)

Density 

1.079 g/mL at 25 °C (lit.)

refractive index 

1.554-1.556

Flash point:

109 °C

storage temp. 

Inert atmosphere,2-8°C

form 

clear liquid

color 

Colorless to Light yellow to Light orange

Specific Gravity

1.079

Sensitive 

Air Sensitive

InChIKey

BXCJDECTRRMSCV-UHFFFAOYSA-N

CAS DataBase Reference

28752-82-1(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/38

Safety Statements 

37/39-26

WGK Germany 

3

HazardClass 

IRRITANT

HS Code 

29124900

MSDS

• Language:English Provider:ACROS
• Language:English Provider:ALFA

2-ALLYLOXYBENZALDEHYDE Usage And Synthesis

Chemical Properties

clear yellow to orange liquid

Synthesis

Salicylaldehyde (0.5 mL, 4.69 mmol, Sigma-Aldrich Catalog No. S356) was dissolved in acetonitrile (10 mL), followed by the addition of potassium carbonate (0.97 mL, 7.03 mmol) and 3-bromo-1-propene (0.45 mL, 5.16 mmol, Sigma-Aldrich Catalog No. 337528). The reaction mixture was stirred under reflux conditions for 12 hours. Upon completion of the reaction, the solvent was removed by vacuum evaporation and the residue was dissolved in ethyl acetate (5 mL). Water (10 mL) was added and stirred for 10 min at room temperature. The organic phase was separated and the aqueous layer was extracted with ethyl acetate (2 x 10 mL). The organic phases were combined, dried with anhydrous sodium sulfate, filtered and concentrated under reduced pressure to give o-propenyloxybenzaldehyde in 99% yield. The product was extracted by 1H NMR (400 MHz, CDCl3) δ= 10.25 (1H, s), 7.54-7.52 (1H, m), 7.23-7.19 (1H, m), 6.72-6.66 (2H, m), 5.82-5.75 (1H, m), 5.20-5.15 (1H, d, J = 17.6 Hz), 5.05 -5.03 (1H, d, J = 10.8 Hz), 4.33-4.31 (2H, m) ppm; 13C NMR (CDCl3) δ 188.9,160.6,135.6,132.2,127.8,124.7,120.5,117.5,112.7,68.7 ppm; Liquid Chromatography Mass Spectrometry (LCMS) m/z z (ES+) m/z: 347.0 [2M + Na]+, 185.0 [M + Na]+, 163.0 [M + H]+; Elemental Analysis: C10H10O2: Calculated value C 74.06, H 6.21; Measured value C 74.36, H 6.52.

References

[1] European Journal of Medicinal Chemistry, 2010, vol. 45, # 11, p. 5265 - 5277
[2] Angewandte Chemie - International Edition, 2009, vol. 48, # 51, p. 9690 - 9692
[3] Angewandte Chemie - International Edition, 2011, vol. 50, # 26, p. 5932 - 5937
[4] Chemistry - A European Journal, 2013, vol. 19, # 47, p. 15852 - 15855
[5] Tetrahedron Letters, 1995, vol. 36, # 11, p. 1845 - 1848

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