Hydrochloric Acid → HCID 68516489, compound

Participants

Reaction Steps

To a solution of 5-ethoxycarbonyl-3-{-4-[2-(tert-butyldimethylsilyloxy)-ethoxy]-2-fluoro-5-(2,3,4,5-tetrahydro-1H-1-benzoazepin-1-ylsulfonyl)phenyl}-7-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one (15 mg), which was prepared in a similar manner to that described in Example 40 using 4-[2-(tert-butyldimethylsilyloxy)-ethoxy]-2-fluoro-5-(2,3,4,5-tetrahydro-1H-1-benzoazepin-1-ylsulfonyl)aniline instead of 2-chloro-4-methoxy-5-(1-methyl-1-phenylethylthio)aniline, in tetrahydrofuran (1.5 mL) was added tetra(n-butyl)ammonium fluoride (1 mol/L tetrahydrofuran solution, 0.031 mL), and the mixture was stirred at room temperature overnight. The reaction mixture was poured into 1 mol/L hydrochloric acid, and the resulting mixture was extracted with ethyl acetate. The extract was washed with water and brine, and dried over anhydrous magnesium sulfate, and the solvent was removed under reduced pressure to give 5-ethoxycarbonyl-3-[2-fluoro-4-(2-hydroxyethoxy)-5-(2,3,4,5-tetrahydro-1H-1-benzoazepin-1-ylsulfonyl)phenyl]-7-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one (12 mg). The title compound was prepared in a similar manner to that described in Example 43 using this material instead of 3-[2-chloro-4-methoxy-5-(1-methyl-1-phenylethylsulfonyl)phenyl]-5-ethoxycarbonyl-7-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one.

Provenance & Evidence