4-(tert-Butoxycarbonylaminomethyl)phenylboronic acid → HCID 86696572, compound

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Ethyl 8-(4-(((tert-butoxycarbonyl)-amino)-methyl)-phenyl)-1-cyclopropyl-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylate was prepared according to General Procedure A using ethyl 8-chloro-1-cyclopropyl-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylate (100 mg, 0.31 mmol) and (4-(((tert-butoxycarbonyl)-amino)-methyl)-phenyl)-boronic acid (101 mg, 0.40 mmol). Purification by flash silica column chromatography (CH2Cl2:MeOH) (1:0 to 9:1) afforded the title compound as a yellow solid (167 mg, 100%). ESI-MS m/z: 495 (M+Na)+.

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