Lithium Hydroxide → HCID 71553394, compound

Participants

Reaction Steps

A suspension of EXAMPLE 75B (30 mg) and lithium hydroxide (2 mg) in tetrahydrofuran and methanol (2:1, 1 mL) was heated at 60° C. for 16 hours. The reaction mixture was quenched with HCl (0.2 mL, 1M), concentrated and purified by chromatography on silica gel using 0-5% methanol/dichloromethane as eluent to provide the title compound. 1H NMR (300 MHz, dimethylsulfoxide-d6) δ ppm 13.14 (s, 1H), 12.87 (s, 1H), 8.04 (d, 1H), 7.82 (s, 1H), 7.79 (d, 1H), 7.73 (d, 1H), 7.66 (s, 1H), 7.61 (d, 1H), 7.44-7.51 (m, 1H), 7.40-7.44 (m, 1H), 7.29-7.40 (m, 5H), 7.19 (d, 4H), 6.93 (t, 2H), 4.94 (s, 2H), 3.94 (s, 1H), 3.86 (t, 2H), 2.99 (t, 1H).

Provenance & Evidence