1-Cyclohexenylboronic acid → 5-(4-Amino-3-cyclohex-1-enyl-phenyl)-1,3-dimethyl-tetrahydro-pyrimidin-2-one

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Reaction Steps

5-(4-Amino-3-bromo-phenyl)-1,3-dimethyl-tetrahydro-pyrimidin-2-one trifluoroacetic acid salt (as prepared in the previous step, 92 mg, 0.30 mmol) was reacted with cyclohex-1-enyl boronic acid (48.7 mg, 0.375 mmol) according to the Suzuki coupling procedure of Example 4, step (e) and purified on silica (2% MeOH-EtOAc) to afford the title compound (35 mg, 38%): Mass spectrum (ESI, m/z): Calcd. for C18H25N3O, 300.2 (M+H), found 300.3.

Provenance & Evidence