BENZYL 3-(HYDROXYMETHYL)TETRAHYDRO-1(2H)-PYRIDINECARBOXYLATE Chemical Properties

Melting point:

59-60℃

Boiling point:

396.4±25.0 °C(Predicted)

Density 

1.162±0.06 g/cm3(Predicted)

storage temp. 

2-8°C

pka

14.93±0.10(Predicted)

Appearance

Colorless to light yellow Viscous liquid

CAS DataBase Reference

39945-51-2(CAS DataBase Reference)

Safety Information

Risk Statements 

36/37/38-36

Safety Statements 

26-36/37/39

HS Code 

29333990

BENZYL 3-(HYDROXYMETHYL)TETRAHYDRO-1(2H)-PYRIDINECARBOXYLATE Usage And Synthesis

Chemical Properties

White to off-white crystal powder

Uses

Benzyl 3-(Hydroxymethyl)piperidine-1-carboxylate is an intermediate used in the synthesis of disubstituted pyrimidines as Lck inhibitors.

Synthesis

Triethylamine (0.51 g, 5 mmol) was added to a frozen solution of 3-hydroxymethylpiperidine (0.61 g, 5 mmol) in dichloromethane (10 mL), followed by slow dropwise addition of benzyl chloroformate (0.88 g, 5 mmol). The reaction mixture was gradually warmed to room temperature and stirred continuously overnight. After completion of the reaction, dichloromethane (50 mL) was added to dilute the reaction mixture, and the organic layer was washed sequentially with 5% hydrochloric acid solution (2 × 20 mL), saturated sodium bicarbonate solution (20 mL), and saturated sodium chloride solution (20 mL). The organic layer was dried over anhydrous sodium sulfate, filtered to remove the desiccant, and concentrated under reduced pressure to remove the solvent. The crude product was purified by fast column chromatography (silica gel, ethyl acetate/hexane as eluent) to afford the target compound 3-methanol-N-benzyloxycarbonylpiperidine (1.21 g, 96% yield) as a colorless oil.1H NMR (CDCl3) δ: 1.20-1.83 (m, 5H), 2.78-3.20 (m, 2H), 3.50 (s, 2H), 3.69-4.05 (m, 2H), 5.14 (s, 2H), 7.25-7.40 (m, 5H).

References

[1] Bioorganic and Medicinal Chemistry, 2011, vol. 19, # 20, p. 5975 - 5983
[2] Journal of Medicinal Chemistry, 2006, vol. 49, # 9, p. 2673 - 2676
[3] Patent: WO2005/806, 2005, A2. Location in patent: Page 85
[4] Patent: US2010/48606, 2010, A1. Location in patent: Page/Page column 32
[5] Patent: EP1780210, 2007, A1. Location in patent: Page/Page column 51

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