Isopropyl isocyanate → HCID 67441812, compound

Participants

Reaction Conditions

Reaction Steps

A reaction mixture consisting of amine 200 (100 mg, 0.222 mmol) and 2-isocyanatopropane (434 mg, 5.10 mmol) in DCM (3 mL) was heated to 80° C. in a sealed flask overnight. The mixture was then cooled to RT and purified by Biotage (SiliaFlash 12 g cartridge, 0-12% MeOH/CHCl3) to afford after the separation title compound 201 (35 mg, 29.4% yield) as beige solid. 1H NMR (400 MHz, DMSO-d6) δ (ppm): 8.67 (s, 1H), 8.55 (d, 1H, J=1.8 Hz), 8.50 (d, 1H, J=5.3 Hz), 8.33 (s, 1H), 8.25 (d, 1H, J=8.2 Hz), 7.84 (dd, 1H, J1=2.2 Hz, J2=8.2 Hz), 7.69 (dd, J1=2.5 Hz, J2=13.7 Hz), 7.35 (t, 1H, J=9.0 Hz), 7.12-7.10 (m, 1H), 6.62 (d, 1H, J=5.1 Hz), 6.14 (d, 1H, J=7.4 Hz), 4.50 (s, 2H), 4.21 (t, 2H, J=5.1 Hz), 3.77-3.72 (m, 1H), 3.30-3.28 (m, 2H), 1.97-1.92 (m, 2H), 1.10 (s, 3H), 1.08 (s, 3H). MS: 536.4 (MH)+

Provenance & Evidence