Water → HCID 13280856, compound

Participants

Reaction Steps

5 g of boron tribromide are added dropwise in the course of 5 minutes to a solution, cooled to -78° C., of 2 g of N-(3-methoxyphenyl)-oxamic acid methyl ester in 20 ml of methylene chloride. The whole is stirred for 5 hours at room temperature, 5 ml of water are added thereto while cooling and the organic phase is separated off. After drying over sodium sulphate and concentration by evaporation, N-(3-hydroxyphenyl)-oxamic acid methyl ester is obtained.

Provenance & Evidence