Hydrochloric Acid → 2-(1-(Trifluoromethyl)cyclopropyl)ethan-1-amine hydrochloride

Temperatur

70 °C

Add borane (10 M in dimethylsulfide, 3 mL, 30 mmol) to a solution of 2-(1-(trifluoromethyl)cyclopropyl)acetonitrile (2.2 g, 14.7 mmol) in THF (60 mL), under N2, and heat at 70° C. overnight. Cool to 0° C., add methanolic HCl drop-wise, concentrate to dryness, co-evaporate with MeOH, add EtOAc, collect the solids via filtration and dry to afford the title compound (1.1 g, 40%). 1H NMR (400 MHz, DMSO-d6): δ 8.05 (s, 3H), 2.87 (t, J=8.4 Hz, 2H), 1.90-1.86 (m, 2H), 0.96-0.93 (m, 2H), 0.82-0.81 (m, 2H).

1. temperatureCool to 0° C.
2. concentrationconcentrate to dryness, co-evaporate with MeOH
3. additionadd EtOAc
4. customcollect the solids
5. filtrationvia filtration
6. customdry

ORD-Eintrag

ord-2754fd7eff864dbd9ed5c984a370836f

Quelldatensatz

uspto-grants-2015_11

DOI

10.6084/m9.figshare.5104873.v1

Patentnummer

US09187474B2