New intermediates for the synthesis of alkene polymerization catalysts: the complex [Mg4{µ3,η2-OCH2CH(CH2)3O}2{µ,η2-OCH2CH(CH2)3O}4Cl2]; crystal structure and properties

Abstract

The preparation and molecular structure of the title compound, obtained from the reaction of Mg[OCH₂CH(CH₂)₃O]₂ with MgCl₂, are reported; the compound exists as the centrosymmetric tetranuclear species with two different types of magnesium centres corresponding to octahedral MgO₆ and trigonal-bipyramidal MgOl₄Cl coordination.