Sodium Carbonate → HCID 72194734, compound

Participants

Reaction Steps

2 M aqueous Na2CO3 solution (0.30 mL) is added to a mixture of 5-chloro-1″-tert-butoxycarbonyl-dispiro[2,3-dihydrofuro[2,3-c]pyridine-2,1′-cyclobutane-3′,4″-piperidine] (0.10 g), 4-(methanesulfonyl)phenylboronic acid (0.08 g), 1,4-dioxane (1.5 mL), and methanol (0.5 mL) at room temperature. The mixture is sparged with Ar for 10 min prior to addition of PdCl2[1,1′-bis(diphenylphosphino)-ferrocene]*CH2Cl2 complex (20 mg). The resulting mixture is heated to reflux temperature and stirred at this temperature for 2 h. After cooling to room temperature, water and methanol are added and the resulting mixture is filtered. The filtrate is concentrated and the residue is chromatographed on reversed phase (HPLC, methanol/water) to give the title compound. LC (method 2): tR=1.72 min; Mass spectrum (ESI+): m/z=485 [M+H]+.

Provenance & Evidence