4-Formylphenylboronic Acid → 2-(4-formylphenyl)-3,4,5,6-tetrahydro-1H-azepino[5,4,3-cd]indol-6-one

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Reaktionsschritte

In a manner similar to that described above for Compound 12, the tricyclic bromide (168 mg, 0.63 mmol) and 4-formylbenzeneboronic acid (142 mg, 0.95 mmol) were coupled to yield 2-(4-formylphenyl)-3,4,5,6-tetrahydro-1H-azepino[5,4,3-cd]indol-6-one, 141 mg (77%), as a yellow solid. mp 238-240° C. (dec.); 1H NMR (300 MHz, d6-DMSO) δ 3.12 (m, 2H), 3.42 (m, 2H), 7.28 (t, 1H, J=7.6 Hz), 7.59 (d, 1H, J=7.6 Hz), 7.62 (d, 1H, J=7.6 Hz), 7.88 (d of ABq, 2H, J=7.7 Hz), 8.05 (d of ABq, 2H, J=7.7 Hz), 8.11 (br t, 1H), 10.07 (s, 1H), 11.75 (br s, 1H); HRMS (FAB, MH+) Calcd for C18H15N2O2: 291.1134, Found: 291.1132.

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