HCID 58677558, compound → HCID 58677543, compound

Participants

Reaction Steps

Compound 320 (31 mg, 0.07 mmol) was dissolved in TFA:H2O (3:1, 10 mL) and stirred at RT for 1 h. The reaction mixture was concentrated in vacuo and purified by flash chromatography using DCM/MeOH (v:v=99.5:0.5 to 98.5:1.5) as the eluent, affording the title compound as oil. 13C NMR (CDCl3) δ 190.5, 155.4 (d), 154.6 (d), 148.9, 136.7, 134.9, 134.3, 133.3, 131.2, 130.4, 128.5, 128.2 (d), 127.1, 125.1, 120.2 (d), 117.1 (d), 115.7, 115.2 (d), 112.5, 70.3, 69.9, 63.5, 17.9

Provenance & Evidence