3,4-Dimethoxyphenylboronic acid → HCID 10455700, compound

Participants

Reaction Steps

The title compound was prepared by the method of Example 89 step C from tert-butyl(6aS,10aR)-2-bromo-4,5,7,8,10,10a-hexahydropyrido[4,3-b]pyrrolo[3,2,1-hi]indole-9(6aH)carboxylate (189 mg, 0.5 mmol) and corresponding 3,4-dimethoxyphenyl boronic acid (182 mg, 1.0 mmol) to afford after chromatographic purification the title compound (92 mg, 42%). 1H NMR (CDCl3, 300 MHz) δ 7.15 (s, 1H), 7.11(s, 1H), 7.01–7.04 (m, 2H), 6.89 (d, 1H, J=8.0 Hz), 4.02–4.10 (m, 1H), 3.92 (d, 6H, J=8.1 Hz), 3.64–3.78 (m, 1H), 2.82–3.52 (m, 8H), 1.82–1.90 (m, 2H), 1.49 (s, 9H) ppm. MS-ApCI: 437 [M+H+].

Provenance & Evidence