sˈɛvɹəl ˈʌðɚ mˈɛkənˌɪzəmz hɐvbɪn pɹəpˈoʊzd fɔːɹ ðɪs ɹɪˈækʃən, ɪŋklˈuːdɪŋ ɐ ɹˈædɪkəl mˈɛkənˌɪzəm æz wˈɛl æz ɐ mˈɛkənˌɪzəm ɪnvˈɑːlvɪŋ ɐn ˌæljʊmˈɪniəm hˈaɪdɹaɪd spˈiːsiːz.
Several other mechanisms have been proposed for this reaction, including a radical mechanism as well as a mechanism involving an aluminium hydride species.