A polyester resin composition including a ketene imine compound represented by the Formula (1) and polyester shows excellent hydrolysis resistance and prevents yellowing. At least one of R.sub.11, R.sub.12, R.sub.21 and R.sub.22 represents an alkyl, aryl, alkoxy or aryloxy group which may have a substituent; R.sub.15 and R.sub.25 represent an alkyl, aryl, alkoxy or aryloxy group which may have a substituent; R.sub.3 represents an alkyl or aryl group which may have a substituent; and a and b represent an integer of 0 to 3. ##STR00001##

A method of preparing a 2,6 disubstituted anilines includes, reacting a 2-amino isophthalic acid diester with sufficient Grignard reagent R.sub.2CH.sub.2MgX to form the corresponding diol product, dehydrating the diol product to the corresponding dialkene; and hydrogenating the diol product to form the corresponding aniline. The 2,6 disubstituted anilines can be used to produce N-Heterocyclic Carbenes (NHCs). The NHCs can find application in various fields such as organic synthesis, catalysis and macromolecular chemistry. Palladium catalysts containing the NHCs are also described.

A method of preparing a 2,6 disubstituted anilines includes, reacting a 2-amino isophthalic acid diester with sufficient Grignard reagent R.sub.2CH.sub.2MgX to form the corresponding diol product, dehydrating the diol product to the corresponding dialkene; and hydrogenating the diol product to form the corresponding aniline. The 2,6 disubstituted anilines can be used to produce N-Heterocyclic Carbenes (NHCs). The NHCs can find application in various fields such as organic synthesis, catalysis and macromolecular chemistry. Palladium catalysts containing the NHCs are also described.

A method of preparing a 2,6 disubstituted anilines includes, reacting a 2-amino isophthalic acid diester with sufficient Grignard reagent R.sub.2CH.sub.2MgX to form the corresponding diol product, dehydrating the diol product to the corresponding dialkene; and hydrogenating the diol product to form the corresponding aniline. The 2,6 disubstituted anilines can be used to produce N-Heterocyciic Carbenes (NHCs). The NHCs can find application in various fields such as organic synthesis, catalysis and macromolecular chemistry. Palladium catalysts containing the NHCs are also described.

A method of preparing a 2,6 disubstituted anilines includes, reacting a 2-amino isophthalic acid diester with sufficient Grignard reagent R.sub.2CH.sub.2MgX to form the corresponding diol product, dehydrating the diol product to the corresponding dialkene; and hydrogenating the diol product to form the corresponding aniline. The 2,6 disubstituted anilines can be used to produce N-Heterocyciic Carbenes (NHCs). The NHCs can find application in various fields such as organic synthesis, catalysis and macromolecular chemistry. Palladium catalysts containing the NHCs are also described.

The present patent application relates to a process for preparing cinacalcet or a pharmaceutically acceptable salt thereof, which comprises reacting 3-trifluoromethylbenzaldehyde having the following formula (II) with the phosphorus-comprising derivative having the following formula (III) in which R.sub.1 and R.sub.2, which may be identical or different, are each a (C.sub.1-C.sub.6)alkyl group. The present invention also relates to the phosphorus-comprising derivative having the formula (III), to the use thereof and to the process for preparing same. The present invention also relates to the phosphate salt of cinacalcet and to uses thereof.

The present patent application relates to a process for preparing cinacalcet or a pharmaceutically acceptable salt thereof, which comprises reacting 3-trifluoromethylbenzaldehyde having the following formula (II) with the phosphorus-comprising derivative having the following formula (III) in which R.sub.1 and R.sub.2, which may be identical or different, are each a (C.sub.1-C.sub.6)alkyl group. The present invention also relates to the phosphorus-comprising derivative having the formula (III), to the use thereof and to the process for preparing same. The present invention also relates to the phosphate salt of cinacalcet and to uses thereof.

By forming a polyester film from a polyester resin composition including ketene imine compound represented by the following Formula (1) and polyester, the polyester film having excellent hydrolysis resistance in which volatilization of the ketene imine compound or the ketene compound can be suppressed. In Formula (1), R.sub.1 and R.sub.2 represent an alkyl group, an aryl group, an alkoxy group, an alkoxycarbonyl group, an aminocarbonyl group, an aryloxy group, an acyl group, or an aryloxycarbonyl group, and the R.sub.1C(C)R.sub.2 substructure has a molecular weight of 320 or greater. R.sub.3 represents an alkyl group or an aryl group. ##STR00001##

By forming a polyester film from a polyester resin composition including ketene imine compound represented by the following Formula (1) and polyester, the polyester film having excellent hydrolysis resistance in which volatilization of the ketene imine compound or the ketene compound can be suppressed. In Formula (1), R.sub.1 and R.sub.2 represent an alkyl group, an aryl group, an alkoxy group, an alkoxycarbonyl group, an aminocarbonyl group, an aryloxy group, an acyl group, or an aryloxycarbonyl group, and the R.sub.1C(C)R.sub.2 substructure has a molecular weight of 320 or greater. R.sub.3 represents an alkyl group or an aryl group. ##STR00001##

A compound that is fluidized by light irradiation and reversibly non-fluidized and is represented by the following general formula (1): ##STR00001## In the general formula (1), Ar.sub.1 and Ar.sub.2 each independently represent an aromatic hydrocarbon group optionally having a substituent or an aromatic heterocyclic group optionally having a substituent, and Y, Z.sub.1, and Z.sub.2 each independently represent a hydrogen atom or a lower alkyl group.