Potassium Carbonate → HCID 57562978, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of COMPOUND 233 (91 mg, 0.17 mmol), methyl bromoacetate (29 mg, 0.19 mmol) and K2CO3 (47 mg, 0.34 mmol) in DMF (1.7 mL) were heated at 80° C. for 25 h to give COMPOUND 237 as a yellow foam (90 mg, 87%) after work-up and purification. 1H NMR (CDCl3) δ 0.93-1.25 (m, 2H), 1.01 (d, 3H, J=6.9 Hz), 1.58 (m, 1H), 1.76 (m, 3H), 2.16 (m, 1H), 2.50 (s, 6H), 2.55 (m, 1H), 2.68-2.88 (m, 3H), 3.31-3.53 (m, 2H), 3.78 (s, 3H), 3.82 (m, 1H), 3.93 (s, 2H), 4.54 (s, 2H), 6.57 (m, 2H), 6.76 (m, 2H), 7.17 (m, 1H), 7.52 (m, 2H), 8.28 (m, 1H), 8.83 (s, 1H). ES-MS m/z 603 (M+H).

Provenance & Evidence