This invention relates to 4-substituted phenylamine derivatives of the general formula (I), wherein R.sup.1 to R.sup.8 and A have the meanings as defined in description. The invention further relates to methods for their preparation and use of said compounds to fight undesired phytopathogenic microorganisms, and agents for said purpose, comprising said phenylamine derivatives, all according to the invention. This invention further relates to a method for fighting undesired phytopathogenic microorganisms by application of said 4-substituted phenylamine derivatives of general formula (I) to such undesired microorganisms and/or to their habitat, according to the invention.

##STR00001##

This invention relates to 4-substituted phenylamine derivatives of the general formula (I), wherein R.sup.1 to R.sup.8 and A have the meanings as defined in description. The invention further relates to methods for their preparation and use of said compounds to fight undesired phytopathogenic microorganisms, and agents for said purpose, comprising said phenylamine derivatives, all according to the invention. This invention further relates to a method for fighting undesired phytopathogenic microorganisms by application of said 4-substituted phenylamine derivatives of general formula (I) to such undesired microorganisms and/or to their habitat, according to the invention.

##STR00001##

Process for the preparation of azidoperfluoroalkanes and azidopolyfluoroalkanes of general formula R.sub.FN.sub.3, where R.sub.F is chosen from a group containing C.sub.nF.sub.2n+1, C.sub.nF.sub.xH.sub.2n+1x, C.sub.nF.sub.xX.sub.2n+1x or R.sup.1CF.sub.2CF.sub.2, where n is an integer in the range of 1 to 10, x is an integer in the range of 2 to 20, X is Cl, Br, or I, R.sup.1 is C.sub.1-10 alkyl, ArO, ArS, imidazolyl, benzimidazolyl, or pyrazolyl and Ar is phenyl or substituted phenyl, by the reaction of electrophilic azidation reagent of general formula R.sup.2N.sub.3, where R.sup.2 is n-C.sub.4F.sub.9SO.sub.2, ArSO.sub.2, Br, I, with synthetic equivalent of polyfluoroalkylated carbanion of general formula [R.sub.F].sup..

Bis(azo-benzene) diamine monomers and a method of synthesizing the monomers are provided. The bis(azo-benzene) diamine monomers, in combination with amine reactive monomers, form polymers, such as polyimides and copolyimides, having photomechanical and thermomechanical properties.

Bis(azo-benzene) diamine monomers and a method of synthesizing the monomers are provided. The bis(azo-benzene) diamine monomers, in combination with amine reactive monomers, form polymers, such as polyimides and copolyimides, having photomechanical and thermomechanical properties.

Provided herein are a use of thioether compounds of formula I as nitrification inhibitors, and agricultural mixtures and compositions including the thioether compounds.

Provided herein are a use of thioether compounds of formula I as nitrification inhibitors, and agricultural mixtures and compositions including the thioether compounds.

Provided herein are a use of thioether compounds of formula I as nitrification inhibitors, and agricultural mixtures and compositions including the thioether compounds.

Provided herein are a use of thioether compounds of formula I as nitrification inhibitors, and agricultural mixtures and compositions including the thioether compounds.

The present invention relates to intermediates of Formula I

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and to methods of synthesizing and purifying calicheamicin derivatives.