HCID 67298312, compound → HCID 67298435, compound

Participants

Reaction Steps

A suspension of 6-(3-(tert-butyldimethyl silyloxy)prop-1-ynyl)-N-(3-chloro-4-fluorophenyl)-2-(pyridin-3-yl)quinazolin-4-amine (0.20 g, 0.39 mmol) and 5% Pd—S—C (40 mg) in EtOAc (5 mL) and MeOH (5 mL) was stirred overnight at room temperature under hydrogen atmosphere. The reaction mixture was filtered through Celite. The filtrate was concentrated in vacuo. The residue was purified by column chromatography on silica gel (eluted with hexane/ethyl acetate 6:1 to 2:3) to give 0.15 g of 6-(3-(tert-butyldimethylsilyloxy)propyl)-N-(3-chloro-4-fluorophenyl)-2-(pyridin-3-yl)quinazolin-4-amine as yellow solid (74%). LCMS m/z=523 (M+1) (Method D) (retention time=3.35 min). 1H NMR (300 MHz, CDCl3) δ 9.69 (dd, J=2.2, 0.8 Hz, 1H), 8.79-8.65 (m, 2H), 8.07 (dd, J=6.5, 2.7 Hz, 1H), 7.94 (d, J=8.5 Hz, 1H), 7.76-7.61 (m, 3H), 7.47-7.37 (m, 2H), 7.31-7.18 (m, 1H), 3.68 (t, J=6.1 Hz, 2H), 3.01-2.83 (m, 2H), 2.03-1.86 (m, 2H), 0.94 (s, 9H), 0.08 (s, 6H).

Provenance & Evidence