... Volume: Page ... Organic Letters. ... Pd(TFA) 2 /(binaphthyl)P(t-Bu) 2 . In addition, for the highly hindered 3-nitro-2-chlorotoluene, Pd[P(t-Bu) 3 ] 2 also proved to be the superior catalyst (entry 8). 27 Other nonactivated (entry 6) and activated substrates (entries 9 and 10 ...