Cyclopentanol → HCID 67266974, compound

Participants

Reaction Steps

Cyclopentanol (7.24 mL, 376 mM in dry tetrahydrofuran) was added to triphenylphosphine (1.44 g, polystyrene bound, 1.89 mMol/g) under argon, followed by the addition of a solution of (2-Hydroxy-4-nitrophenyl)-carbamic acid ethyl ester (25.6 mL, 62 mM in dry tetrahydrofuran) and a solution of diethylazodicarboxylate (7.24 mL, 376 mM in dry tetrahydrofuran). The reaction mixture was shaken at room temperature over night. The resin was filtered and washed with tetrahydrofuran (THF) (35 mL) and methanol (35 mL). The combined organic phase was evaporated in vacuo. The crude product was purified by flash chromatography (silica gel, heptane/ethyl acetate, gradient) to yield the title compound as slightly yellow solid (294 mg, 64%).

Provenance & Evidence