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A method for the production of diphenhydramine
A method for the production of diphenhydramine
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机译:一种苯海拉明的生产方法
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摘要
A process for the manufacture of diphenhydramine comprises reacting approximately equimolar amounts of benzhydrol and beta -dimethylaminoethanol in the presence of a slight molar excess of p-toluenesulfonic acid at the boiling point of toluene.
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