CHEMICAL COMPOUND, METHOD FOR THE PRODUCTION THEREOF AND ITS USE IN CATALYST SYSTEMS FOR PRODUCING POLYOLEFINS

摘要

The invention relates to a chemical compound of formula (I), wherein M<1> represents an element selected from main groups II, III or IV of the periodic table of elements; x is equal to 1, 2, 3 or 4; y is equal to 2, 3 or 4, and; A represents a cation of main group V of the periodic table of elements; R<1> is the same or different and represents a branched or unbranched linear or cyclic C1-C40 group that contains carbon; R<2> is the same or different and represents a branched or unbranched linear or cyclic C1-C40 group that contains carbon; R<3> represents a branched or unbranched linear or cyclic C1-C40 group that contains carbon, and; R<4> represents a hydrogen atom; whereby R<2> and R<3> are always different from one another.