3-Morpholinone, 4-phenyl- Chemical Properties

Melting point:

113-114℃

Boiling point:

395.2±35.0 °C(Predicted)

Density 

1.187

storage temp. 

Sealed in dry,Room Temperature

solubility 

Chloroform (Slightly), DMSO (Slightly)

pka

0.27±0.20(Predicted)

form 

Solid

color 

Off-White

Safety Information

HazardClass 

IRRITANT

HS Code 

2934999090

3-Morpholinone, 4-phenyl- Usage And Synthesis

Uses

4-Phenyl-3-morpholinone is used in studies to evaluate the bactericidal activity.

Synthesis

Example 1: Preparation of 4-phenylmorpholin-3-one To a solution of N-phenylethanolamine (6.0 mL, 47.8 mmol) in isopropanol (IPA, 6 mL) heated to 40°C was added chloroacetyl chloride (11.4 mL, 143.4 mmol) and 10 N sodium hydroxide solution (29.6 mL, 296 mmol) dropwise at the same time, keeping the pH of the reaction system between 7 and 8. After dropwise addition, the reaction mixture was continued to be stirred at 40 °C for 10 min, followed by cooling to 0 °C and stirring for 1 h at that temperature. Upon completion of the reaction, the white solid product formed was collected by filtration, washed with cold water and dried to afford 4-phenylmorpholin-3-one (5.27 g, 62% yield) as a white solid. The structure of the product was confirmed by 1H NMR (400 MHz, CDCl3): δ 7.42 (t, J = 8.0 Hz, 2H), 7.34-7.27 (m, 3H), 4.35 (s, 2H), 4.04 (t, J = 5.2 Hz, 2H), 3.77 (t, J = 5.2 Hz, 2H).

References

[1] European Journal of Medicinal Chemistry, 2015, vol. 95, p. 388 - 399
[2] Patent: WO2005/26135, 2005, A1. Location in patent: Page/Page column 6
[3] Patent: WO2011/12321, 2011, A1. Location in patent: Page/Page column 30
[4] Helvetica Chimica Acta, 2013, vol. 96, # 11, p. 2160 - 2172
[5] Patent: WO2011/80341, 2011, A1. Location in patent: Page/Page column 14; 15

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