Triphenylphosphine → (R)-3-(6-Cyclopropoxy-pyridin-3-yloxy)-1-(7-fluoro-3-oxo-indan-5-yl)-pyrrolidin-2-one

Participants

Reaction Steps

To a mixture of (S)-1-(7-fluoro-3-oxo-2,3-dihydro-1H-inden-5-yl)-3-hydroxy-pyrrolidin-2-one (80 mg), 6-cyclopropoxy-pyridine-3-ol (53.4 mg), triphenylphosphine (polymer, 126 mg) and THF (1.5 mL) was added DIAD (97 mg). The mixture was shaken for 2 hours and filtered. The filtrate was concentrated and the residue purified by preparative HPLC to provide Example 3-13. 1H-NMR (400 MHz, DMSO) δ 8.02 (1H, d, J=3.1 Hz), 7.99 (1H, d, J=11.1 Hz), 7.78 (1H, s), 7.55 (1H, dd, J=9.0, 3.1 Hz), 6.83 (1H, d, J=9.0 Hz), 5.25 (1H, dd, J=8.3, 8.3 Hz), 4.13 (1H, m), 3.97 (1H, m), 3.86 (1H, m), 3.10 (2H, m), 2.72 (2H, m), 2.70 (1H, m), 2.14 (1H, m), 0.74 (2H, m), 0.64 (2H, m).

Provenance & Evidence