Novel 2-(2-hydroxyphenyl)-benzotriazole derivatives, substituted

Details Novel 2-(2-hydroxyphenyl)-benzotriazole derivatives, substituted Novel 2-(2-hydroxyphenyl)-benzotriazole derivatives, substituted

1990-01-12

1991-02-26

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

106218, 548113, 536 173, C07D24920

Patent

active

049963260

ABSTRACT:
Benzotriazoles of the formula I ##STR1## in which R.sup.1 and R.sup.2 are located in the ortho-position or para-position relative to the OH group and at least one of these substituents in an .alpha.-branched alkyl group containing a polar group M in the .omega.-position are liquid or low-melting compounds which absorb UV light and can be used as stabilizers for organic materials. M can be, for example, an ester or amide group. R.sup.3 can be H, Cl, alkyl, alkoxy or a carboxyl group.

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patent: 4904815 (1990-02-01), Howell
Chem Abst. 84, 155517g (1976).
Chem. Abst. 107, 31129f (1987).

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