4-Aminophenylboronic acid → HCID 68439640, compound

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Reaction Steps

The title compound was then prepared according to the Suzuki coupling procedure of Example 35, step (b) using 4-aminophenylboronic acid (219 mg, 1.00 mmol) and cis/trans-2,6-dimethyl-4-trifluoromethanesulfonyloxy-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester (as prepared above, 321 mg, 1.00 mmol). Silica gel chromatography (10-20% EtOAc/hexanes) afforded 4-(4-amino-phenyl)-2,6-dimethyl-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester (172 mg, 57%): Mass spectrum (ESI, m/z): Calcd. for C18H26N2O2, 303.2 (M+H) found 303.1.

Provenance & Evidence