Chemical process
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United States of America Patent
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-
Jul 30, 1985
Grant Date -
N/A
app pub date -
Nov 16, 1983
filing date -
Nov 16, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Novel bis(3',5'-mono or dihydrocarbyl-4'-hydroxybenzyl)-1,3-diketones are prepared by reacting a (3',5'-mono or dihydrocarbyl-4'-hydroxybenzyl)-1,3-diketone with an N,N-dihydrocarbyl-2,6-mono or dihydrocarbyl-4-aminomethylphenol and an alkyl halide in the presence of an alkaline earth metal halide. The products are useful as antioxidants.
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