2-Fluoropyridine → HCID 59657675, compound

Participants

Reaction Steps

To a solution of 1′-[(6-chloro-1H-indol-3-yl)carbonyl]-5-fluoro-3H-spiro[2-benzofuran-1,4′-piperidin]-3-one (prepared according to example 19) in dry DMF was added NaH (1 eq) and the reaction mixture stirred at room temperature for 30 min and then treated with 2-fluoropyridine (1.5 eq) and heated at 140° C. under microwave irradiation for 15 min. Purification by preparative HPLC gave the desired product in 36% yield.

Provenance & Evidence