Ga(III) itself is a useful Lewis acid for organic reactions because its full d-electron shell makes it able to accept variable numbers of ligands, but will readily give up ligands if conditions prove favorable.
ɡˈɑː ɹˌoʊmən θɹˈiː ɪtsˈɛlf ɪz ɐ jˈuːsfəl lˈuːɪs ˈæsɪd fɔːɹ ɔːɹɡˈænɪk ɹɪˈækʃənz bɪkˈʌz ɪts fˈʊl dˈiːᵻlˈɛktɹɑːn ʃˈɛl mˌeɪks ɪɾ ˈeɪbəl tʊ ɐksˈɛpt vˈɛɹɪəbəl nˈʌmbɚz ʌv lˈɪɡændz, bˌʌt wɪl ɹˈɛdili ɡˈɪv ˌʌp lˈɪɡændz ɪf kəndˈɪʃənz pɹˈuːv fˈeɪvɚɹəbəl.