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 → tert-butyl (6aS,10aR)-2-(2-isopropyl-4-methoxyphenyl)-4,5,7,8,10,10a-hexahydropyrido[4,3-b]pyrrolo[3,2,1-hi]indole-9(6aH)-carboxylate

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 2-isopropyl-4-methoxyphenyl boronic acid (178 mg, 1.0 mmol) to afford after chromatographic purification the title compound (152 mg, 68%). 1H NMR (CDCl3, 300 MHz) δ 7.09 (d, 1H, J=8.4 Hz), 6.88 (d, 1H, J=2.5 Hz), 6.83 (s, 1H), 6.78 (s, 1H), 6.72 (dd, 1H, J=8.4, 2.9 Hz), 3.80–4.20 (m, 2H), 3.84 (s, 3H), 3.74–3.78 (m, 1H), 3.05–3.50 (m, 7H), 2.84–2.98 (m, 1H), 1.82–1.94 (m, 2H), 1.48 (s, 9H), 1.12–1.17 (m, 6H) ppm. MS-ApCI: 449. [M+H+].

Provenance & Evidence