The present invention relates to compounds of Formula I as defined herein, and salts and solvates thereof. (I) The present invention also relates to pharmaceutical compositions comprising compounds of Formula (I), and to compounds of Formula (I) for use in the treatment of proliferative disorders, such as cancer, as well as other diseases or conditions in which inhibition of a RAS-effector protein-protein interaction is implicated.

##STR00001##

The compound according to the present invention is a compound represented by the following chemical formula:

##STR00001## wherein, in the above-described chemical formula, R.sub.1 is oxygen or sulfur, and R.sub.2 to R.sub.6 are each independently selected from hydrogen, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, an acyl group having 1 to 6 carbon atoms and a nitro group.

The compound according to the present invention is a compound represented by the following chemical formula:

##STR00001## wherein, in the above-described chemical formula, R.sub.1 is oxygen or sulfur, and R.sub.2 to R.sub.6 are each independently selected from hydrogen, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, an acyl group having 1 to 6 carbon atoms and a nitro group.

An object of the present invention is to provide a novel squarylium dye that can achieve an equivalent chromaticity value of even a colored resin composition having a low content of the squarylium dye as compared with a colored resin composition comprising a conventional squarylium dye. The present invention provides a compound represented by the formula (I) wherein R.sup.4 to R.sup.4 each independently represent a hydrogen atom or the like; R.sup.5 to R.sup.8 each independently represent a hydrogen atom or the like; R.sup.9 and R.sup.10 each independently represent a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms or the like; R.sup.11 and R.sup.12 each independently represent a halogen atom or an alkyl halide group having 1 to 6 carbon atoms; and m1 and m2 each independently represent an integer of 1 to 5.

##STR00001##

An object of the present invention is to provide a novel squarylium dye that can achieve an equivalent chromaticity value of even a colored resin composition having a low content of the squarylium dye as compared with a colored resin composition comprising a conventional squarylium dye. The present invention provides a compound represented by the formula (I) wherein R.sup.4 to R.sup.4 each independently represent a hydrogen atom or the like; R.sup.5 to R.sup.8 each independently represent a hydrogen atom or the like; R.sup.9 and R.sup.10 each independently represent a monovalent saturated hydrocarbon group having 1 to 20 carbon atoms or the like; R.sup.11 and R.sup.12 each independently represent a halogen atom or an alkyl halide group having 1 to 6 carbon atoms; and m1 and m2 each independently represent an integer of 1 to 5.

##STR00001##

Alkylated diaryl amines further substituted by an alkoxy group on one or more aryl carbon atoms exhibit excellent antioxidant activity in lubricant compositions.

Alkylated diaryl amines further substituted by an alkoxy group on one or more aryl carbon atoms exhibit excellent antioxidant activity in lubricant compositions.

Alkylated diaryl amines further substituted by an alkoxy group on one or more aryl carbon atoms exhibit excellent antioxidant activity in lubricant compositions.

Alkylated diaryl amines further substituted by an alkoxy group on one or more aryl carbon atoms exhibit excellent antioxidant activity in lubricant compositions.

An aromatic amine derivative represented by formula (1):

##STR00001##

wherein R.sup.1, R.sup.2, R.sup.3, L, Ar.sup.1, Ar.sup.2, k, m, and n are the same as defined in the specification, is useful as a material for an organic EL device and realizes an organic EL device with a high efficiency and a long lifetime even when driving it at a low voltage.