反应详情

A solution of methyl 4-amino-2-phenylbenzoate (1.0 equivalent) in dilute aqueous HBF4 is treated with NaNO2 (1.1 equivalents) until an excess of nitrous acid persists. The mixture is extracted into ethyl acetate which is dried and evaporated. The title ester is purified by chromatography on silica gel.

1. extractionThe mixture is extracted into ethyl acetate which
2. customis dried
3. customevaporated
4. customThe title ester is purified by chromatography on silica gel