2-Chloro-4-fluorobenzoyl chloride → HCID 66938909, compound

Participants

Reaction Steps

Mix 2-fluoro-N-(1-methyl-piperidin-4-yl)-benzene-1,3-diamine (Preparation 20) (0.08 g) and 2-chloro-4-fluorobenzoyl chloride (83 mg) in 1,4-dioxane (5 mL) and heat at reflux for 2 hr. Partition the reaction mixture between ethyl acetate and saturated saturated aqueous NaCl, dry over anhydrous sodium sulfate, evaporate and purify on a silica gel column (10 g) (dichloromethane-2M NH3 in methanol, gradient) to give 0.106 g of the title compound (78% yield): mass spectrum (ion spray): m/z=380 (M+1); 1H NMR (CDCl3): 8.19 (br s, 1H), 7.83 (dd, 1H), 7.66 (dd, 1H), 7.19 (dd, 1H), 7.09 (ddd, 1H), 7.00 (dd, 1H), 6.52 (ddd, 1H), 3.76 (br d, 1H), 3.29 (m, 1H), 2.81 (br d, 2H), 2.29 (s, 3H), 2.13 (m, 2H), 2.05 (m, 2H), 1.52 (m, 2H).

Provenance & Evidence