Method of making teritiary hindered amines
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United States of America Patent
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Jan 5, 1999
Grant Date -
N/A
app pub date -
Aug 9, 1997
filing date -
Aug 9, 1997
priority date (Note) -
Expired
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Abstract
Fully hindered secondary amines, typically tetramethyl piperidine, are reacted with terminally unsaturated electrophilic compounds having at least five carbon atoms to obtain tertiary hindered amines. The reaction is conducted with an excess of secondary amine, preferably in the presence of a specified solvent such as N-methyl pyrrolidinone.
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