Chemical process

Details Chemical process Chemical process

1983-11-16

1985-07-30

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568308, C07C 4561

Patent

active

045323569

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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patent: 3989738 (1976-11-01), Kline
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patent: 4177213 (1979-12-01), Schmidt
patent: 4186151 (1980-01-01), Kubota et al.
patent: 4208425 (1980-06-01), Diana
patent: 4456770 (1984-06-01), Everly et al.
patent: 4456771 (1984-06-01), Everly et al.

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