In this paper, the aromatic amines (benzylamine and aniline) and methyl acrylate as raw material, generated important pharmaceutical intermediates 1 - aryl -4 - piperidone addition, Diekmann condensation and hydrolysis decarboxylation reaction.

In this article, as well as amine and aniline (GATT) and acrylic resin for methyl ester, a 30% increase, Dick Manchester and water relief, such as those reactions that produce a significant pharmaceutical intermediates 1 - Fang - 4-tip PY teaches methadone.

This article take the fragrant amine (animal pen amine and aniline) and the methyl acrylate as a raw material, after the addition, the Dick graceful condensation and the water extrication suo and so on the responses has produced the important medicine intermediate 1- aryl residue - 4- pai ding alkon

This aromatic Amine (benzyl amine and aniline) and methacrylate as raw materials, through addition, Diekmann condensation and water free of Carboxylase reaction generated a major 1-aryl- -4-piperidone pharmaceutical intermediates.

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