HCID 58677537, compound → HCID 58677644, compound

Participants

Reaction Steps

Compound 311 (48 mg, 0.01 mmol) was dissolved in TFA:H2O (3:1, 8 mL) and stirred at RT for 2 h. The reaction mixture was concentrated in vacuo and purified by flash chromatography using EtOAc/petroleum ether (40-60)(v:v=1:1) as the eluent, affording the title compound as a yellow oil. 13C NMR (DMSO-d6) δ 193.5, 156.3, 150.1, 148.8, 137.5, 132.5, 132.3, 129.3, 126.6 (dd), 123.9 (dd), 122.9, 117.3, 116.1, 115.6, 112.1 (dd), 108.6, 105.1 (dd), 69.8, 62.5, 19.0

Provenance & Evidence