HCID 16093618, compound → HCID 178501289, compound

Participants

Reaction Steps

A mixture of methyl 4-(1-tert-butoxycarbonyl-(2S)-pyrrolidinyl)methoxybenzoate (1.0 g, 2.9 mmol) and 5% Rh on alumina (500 mg) in EtOH (10.0 ml) and AcOH (1.0 ml) was hydrogenated at room temperature at 5 atm for 36 hr. The catalyst was filtered off, and the filtrate was concentrated in vacuo. The residue was purified by column chromatography on silica gel with n-hexane-EtOAc (6:1, v/v) as eluent to give methyl cis-4-[(1-tert-butoxycarbonyl-(2S)-pyrrolidinyl) methoxy]cyclohexanecarboxylate (900 mg, 89%) as a pale yellow oil. 1H-NMR (CDCl3) δ 1.46 (s, 9H), 1.46–2.00 (m, 12H), 2.34 (m, 1H), 3.20–3.55 (m, 5H), 3.67 (s, 3H), 3.84–3.92 (m, 1H).

Provenance & Evidence