ɪn ðɪs pɹˈɑːsɛs, ðə stɹˈɔŋli koʊˈɔːɹdɪnˌeɪɾɪŋ mˈɛθəl ɡɹˈuːp tɹˈænsfɜːz tə ðə bˈoːɹɑːn tʊ ɛkspˈoʊz ɐ ɹɪˈæktɪv sˈaɪt ˌɔn zɜːkˈoʊniəm.
In this process, the strongly coordinating methyl group transfers to the boron to expose a reactive site on zirconium.