Ethyl 8-chloro-1-cyclopropyl-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylate → 8-(3-(1-aminobutyl)pyrrolidinyl)-1-cyclopropyl-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylic Acid Hydrochloride

Participants

Reaction Steps

A 238 mg sample of 8-chloro-1-cyclopropyl-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylic acid ethyl ester, from Example 253i above, was dissolved in 5 mL of anhydrous acetonitrile, reacted with 3-(1-(N-BOC-amino)butyl)pyrrolidine (620 mg, 1.83 mmol, prepared in step 314d above), and carried forward as described in Example 253j-1 to give the title product. MS (high resolution) found: 402.2199; calc: 402.2193 (M+H)+ ; 1H NMR (D6 -DMSO) ∂: 0.60 (m, 2H), 0.89 (m, 4H), 1.05 (m, 1H), 1.49 (m, 5H), 1.17 (m, 1H), 2.14 (m, 1H), 2.27 (m, 1H), 2.62 (s, 3H), 3.77 (m, 4H), 3.94 (m, 1H), 7.89 (s, 1H), 8.54 (b m, 1H), 9.07 (d, 1H), 11.47 (br, 1H).

Provenance & Evidence