(Di)arylaminoalkyl 4-hydroxyphenylalkanecarboxylates

Details (Di)arylaminoalkyl 4-hydroxyphenylalkanecarboxylates (Di)arylaminoalkyl 4-hydroxyphenylalkanecarboxylates

1994-11-22

1997-05-13

Morgan, Kriellion S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546112, 560 75, C07D27922, C07D22102, C07C 6976

Patent

active

056294220

ABSTRACT:
New compounds of the formula I are described which are active, for example, as antioxidants, and also a process for their preparation: ##STR1## R.sub.1 and R.sub.2 are independently of one another C.sub.1 -C.sub.20 alkyl, allyl, methallyl, unsubstituted or C.sub.1 -C.sub.8 alkyl-substituted C.sub.5 -C.sub.12 cycloalkyl, C.sub.5 -C.sub.8 cycloalkenyl, phenyl or C.sub.7 -C.sub.9 phenylalkyl, A is a direct bond, --CH.sub.2 --, --(CH.sub.2).sub.2 -- or --CH.sub.2 --CH(CH.sub.3)--, E is --(CH.sub.2).sub.2 --, --CHR.sub.6 --CH.sub.2 -- or --CH.sub.2 CHR.sub.6 --, n is 1, 2 or 3, R.sub.3 is C.sub.1 -C.sub.18 alkyl or is C.sub.1 -C.sub.18 alkyl which is interrupted by --O-- or --S--, unsubstituted or C.sub.1 -C.sub.8 alkyl-substituted C.sub.5 -C.sub.12 cycloalkyl, phenyl, naphthyl, C.sub.7 -C.sub.9 phenylalkyl, C.sub.7 -C.sub.18 alkylphenyl or is of the formula ##STR2## R.sub.4 is phenyl, naphthyl, C.sub.7 -C.sub.9 phenylalkyl, C.sub.7 -C.sub.18 alkylphenyl or is a radical of the formula ##STR3## or NR.sub.3 R.sub.4 is a group of the formula ##STR4## R.sub.5 is hydrogen, C.sub.1 -C.sub.18 alkyl, allyl, methallyl, unsubstituted or C.sub.1 -C.sub.8 alkyl-substituted C.sub.5 -C.sub.12 cycloalkyl, phenyl or naphthyl, R.sub.6 is hydrogen, C.sub.1 -C.sub.20 alkyl or C.sub.2 -C.sub.20 alkyl which is interrupted by --O--, --S--, --NR.sub.7 -- or --C(O)O--, and R.sub.7 is hydrogen or C.sub.1 -C.sub.6 alkyl.

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