Acetic Anhydride → HCID 49870452, compound

Participants

Reaction Steps

A vial equipped with a flea stir bar was charged with (S)-3-((S)-1-(4-((1-aminocyclohexyl)ethynyl)phenyl)ethyl)-6-(2-hydroxy-2-methylpropyl)-6-phenyl-1,3-oxazinan-2-one (12 mg, 0.025 mmol), i-Pr2NEt (0.015 mL, 0.08 mmol) and CH2Cl2 (2 mL). Acetic anhydride (0.005 mL, 0.043 mmol) was added. The mixture was stirred overnight at rt and evaporated to dryness. The residue was purified by prep HPLC to afford the title compound (6.1 mg, 47%). LC-MS Method 1 tR=1.65 min, m/z=517, 459; 1H NMR (CDCl3) 1.12 (s, 3H), 1.18 (s, 3H), 1.30 (m, 1H), 1.51 (d, 3H), 1.65 (m, 6H), 1.87 (m, 2H), 1.99 (s, 3H), 2.14 (m, 3H), 2.21 (s, 2H), 2.35 (m, 1H), 2.78 (m, 1H), 5.65 (q, 1H), 6.88 (d, 2H), 7.18 (d, 2H), 7.30-7.40 (5H)

Provenance & Evidence