Water → HCID 57855728, compound

Participants

Reaction Steps

A 0.3 g quantity of 3-[2-(3-hydroxy-4-methoxyphenyl)oxazol-4-yl]-1-(3-methylpyridin-2-yl)propan-1-one obtained in Example 136 and 0.4 ml of 1,8-diazabicyclo[5,4,0]undec-7-ene were dissolved in 5 ml of ethanol, 0.23 g of 2-bromopropane was added thereto, and the mixture was heated and refluxed for 4.5 hours. After standing to cool, water was added to the reaction mixture, and ethyl acetate extraction was performed. The extract was washed twice with water, the organic layer was then concentrated under reduced pressure, and the obtained residue was purified by silica gel column chromatography (n-hexane:ethyl acetate=2:1), thereby yielding 0.16 g of white powdery 3-[2-(3-isopropoxy-4-methoxyphenyl)oxazol-4-yl]-1-(3-methylpyridin-2-yl)propan-1-one.

Provenance & Evidence