HCID 86584266, compound → HCID 86584267, compound

Participants

Reaction Steps

Into a boron trifluoride methanol complex, methanol solution is added ethyl [2-(5-acetylamino-2-chloro-4-fluorophenoxy)phenoxy]acetate, and the mixture is heated while stirring. Thereafter, the reaction solution is concentrated, the residue is dissolved in ethyl acetate, and washed with saturated aqueous sodium bicarbonate, dried over magnesium sulfate, and concentrated to obtain ethyl [2-(5-amino-2-chloro-4-fluorophenoxy)phenoxy]acetate [Intermediate compound A3-23].

Provenance & Evidence