N-substituted tetrahydroquinolines for use as antioxidants in lu

Details N-substituted tetrahydroquinolines for use as antioxidants in lu N-substituted tetrahydroquinolines for use as antioxidants in lu

1989-02-02

1990-05-29

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546165, 546166, C07D21506

Patent

active

049297325

ABSTRACT:
Compounds useful as additives for lubricants, hydraulic oils and metal-working fluids include those of formula IV ##STR1## where R.sup.1 and R.sup.2 are independently alkyl or substituted aryl, R.sup.3 and R.sup.13 are independently hydrogen or methyl, R.sup.6 is alkyl, alkenyl, aralkyl or substituted benzyl, and R.sup.15 and R.sup.16 are independently hydrogen, alkyl, aryl or aralkyl.

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