1-Bromo-2-butanone → ethyl ((1S)-5-{3-[4-(4-ethyl-1,3-thiazol-2-yl)-2-propylphenoxy]propoxy}-2,3-dihydro-1H-inden-1-yl)acetate

Participants

Reaction Steps

A solution of ethyl ((1S)-5-{3-[4-(aminocarbonothioyl)-2-propylphenoxy]propoxy}-2,3-dihydro-1H-inden-1-yl)acetate (90 mg, 0.2 mmol) (Example 144) and 1-bromo-2-butanone (35.8 mg, 0.24 mmol) in EtOH (anhydrous, 8 mL) was heated at 70° C. for 6 h. The reaction mixture was cooled to rt, and then concentrated under reduced pressure. Purification by silica gel flash chromatography (EtOAc/hexane (v/v) 1:2) gave 42 mg (42%) of the title compound as a clear oil. LC-MS: RT=4.85 min; (M+H)+ 508.2.

Provenance & Evidence