Cesium carbonate → Methyl 4-(3-(2-(tert-butoxycarbonylamino)-3-(dimethylamino)-3-oxopropyl)phenoxy)benzoate

Participants

Reaction Conditions

Reaction Steps

tert-Butyl 1-(dimethylamino)-3-(3-hydroxyphenyl)-1-oxopropan-2-ylcarbamate (0.025 g, 0.081 mmol) and methyl 4-fluorobenzoate (Aldrich, Cat. #120707) (0.025 g, 0.16 mmol) were combined in acetonitrile (1.0 mL) with cesium carbonate (0.053 g, 0.16 mmol) in a sealed tube and heated to 100° C. After 4 h., the reaction was allowed to cool, diluted with ethyl acetate and washed with water, brine, dried over magnesium sulfate and concentrated under reduced pressure to give crude methyl 4-(3-(2-(tert-butoxycarbonylamino)-3-(dimethylamino)-3-oxopropyl)phenoxy)benzoate as a semi-solid. Analytical LCMS (M+H-Boc)+: m/z=342.9.

Provenance & Evidence