... Synlett 2009(3 ... the activated arylgallium species can be formed very quickly by the transmetalation of arylboronic acid and trimethylgallium at room temperature; and (iii) the excellent ... 0.2 mmol scale of aromatic aldehydes with 1.5 equiv of Ar ¹ B(OH) 2 and 4.5 equiv of Me 3 Ga in ...