反应详情

To a stirred solution of ethyl N-[2,6-dichloro-4-[2-[[(1S, 2R)-2-hydroxy-2-(4-hydroxyphenyl)-1-methylethyl]amino]-ethyl]phenyl]aminoacetate (87 ml) in ethyl acetate (2.0 ml) was added 2.6 M hydrogen chloride diethyl ether solution (2.0 ml) at room temperature. Collection of the resulting precipitates by filtration gave ethyl N-[2,6-dichloro-4-[2-[[(1S, 2R)-2-hydroxy-2-(4-hydroxyphenyl)-1-methylethyl]amino]ethyl]phenyl]aminoacetate hydrochloride (81 mg).

1. customCollection of the resulting
2. customprecipitates by filtration