首页>
外国专利>
A Process For The Preparation Of An Impurity Of Entacapone
A Process For The Preparation Of An Impurity Of Entacapone
展开▼
机译:一种恩他卡朋杂质的制备方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
The present invention provides a process for the preparation of an impurity present in Entacapone. The invention also provide a process for the preparation of 1-(Cyanoacetyl) Piperidine, used for the preparation of impurity 1-[2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-1-oxo-2-propenyl]- Piperidine.
展开▼