Invention Grant
US06646127B2 Process for the synthesis of 2,2,6,6-tetramethyl-4-oxopiperidine
失效
合成2,2,6,6-四甲基-4-氧代哌啶的方法
- Patent Title: Process for the synthesis of 2,2,6,6-tetramethyl-4-oxopiperidine
- Patent Title (中): 合成2,2,6,6-四甲基-4-氧代哌啶的方法
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Application No.: US09970069Application Date: 2001-10-02
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Publication No.: US06646127B2Publication Date: 2003-11-11
- Inventor: Russell E. Malz, Jr. , Young-Chan Son , Steven L. Suib
- Applicant: Russell E. Malz, Jr. , Young-Chan Son , Steven L. Suib
- Main IPC: C07D21140
- IPC: C07D21140
Abstract:
A process for the synthesis of 2,2,6,6-tetramethyl-4-oxopiperidine is disclosed wherein the process comprises reacting in a liquid phase reaction mixture: A) at least one acetone compound, and B) at least one ammonia donor compound, in the presence of a catalytically effective amount of a crystalline aluminosilicate containing calcium.
Public/Granted literature
- US20020128482A1 Process for the synthesis of 2,2,6,6-tetramethyl-4-oxopiperidine Public/Granted day:2002-09-12
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