2-CYCLOHEXYL-ETHYLAMINE HYDROCHLORIDE Chemical Properties

storage temp. 

Sealed in dry,Room Temperature

form 

Crystalline Powder

color 

White

Safety Information

Risk Statements 

36/37/38

Safety Statements 

26-36/37/39

HS Code 

2921309990

2-CYCLOHEXYL-ETHYLAMINE HYDROCHLORIDE Usage And Synthesis

Synthesis

Under argon protection, 2-(cyclohex-1-en-1-yl)ethylamine (500 mg, 4.00 mmol) was dissolved in methanol (10 mL) and 10% Pd/C (50 mg) was added. The reaction system was placed at 50°C, switched to hydrogen atmosphere (balloon pressure), and the reaction was stirred at room temperature for 16 hours. The reaction progress was monitored by thin layer chromatography (TLC). After completion of the reaction, the reaction mixture was filtered through diatomaceous earth and washed with methanol (2 x 5 mL). The filtrate was concentrated under reduced pressure to give the crude product. The crude product was ground with a solvent mixture of dichloromethane and ethyl acetate (1:1, 2 mL), followed by the addition of an ether solution of 1N hydrochloric acid (4 mL) to give 2-cyclohexylethylamine hydrochloride (261, 250 mg, 38%) as a white solid.TLC conditions: 20% ethyl acetate/hexane (Rf 0.3); 1H-NMR (DMSO-d6, 500 MHz): δ 7.79 (broad single peak, 2H), 2.77 (triple peak, J = 7.5 Hz, 2H), 1.66-1.59 (multiple peak, 5H), 1.45-1.41 (multiple peak, 2H), 1.32-1.28 (multiple peak, 1H), 1.23-1.11 (multiple peak, 3H), 0.91-0.84 (multiple peak, 2H).

References

[1] Patent: WO2015/138895, 2015, A1. Location in patent: Paragraph 000219
[2] Patent: US2010/113512, 2010, A1
[3] Patent: US2010/222345, 2010, A1. Location in patent: Page/Page column 107
[4] Patent: US2011/124559, 2011, A1
[5] Patent: CN102516115, 2016, B. Location in patent: Paragraph 0267-0269

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