| abstract |
The invention relates to novel chemical compounds of the general formulas (I) and (II), in which X has the meaning F, Cl, Br, I, weakly coordinating anions or non-coordinating anions, n is a number from 1 to 4 inclusive, wherein R 1 is a compound of the general formulas (III) or (IV), if n is 1 or 2, and wherein R 1 is a compound of the general formulas (III) or (IV) or an alkyl radical, if n is 3 or 4, Z 1 , Z 2 , Z 3 , Z 4 and Z 5 are selected from -F, -Cl, -I, -Br, -NO 2 , -R A , -OR A , -SR A , -COO-R A , -OC (O) -R A and -N (R A ) 2 , Z 6 , Z 7 and Z 8 are selected from N, CZ 1 and CZ 2 , wherein at least one of the atoms represented by Z 6 , Z 7 , Z 8 is N, and wherein R A is an H, an alkyl radical, a halogenated alkyl radical or a compound according to the general formulas (III) and (IV), excluding compounds of the general formula (II) in which n is 1 and R 1 is a compound of the general formula (III) where Z 1 , Z 2 , Z 3 , Z 4 and Z 5 are H or Z 1 , Z 3 and Z 5 is methyl and Z 2 and Z 4 are H, and processes for their preparation and their use as catalyst, in particular as catalyst in the partial oxidation of alkanes to alkanols to form an alkoxy. |