Fig. 3: Scope of alkynes.
From: Ni-catalyzed benzylic β-C(sp3)–H bond activation of formamides
Reaction conditions: 1a (0.2 mmol), 2 (0.6 mmol), toluene (1.0 mL) under N2 for 2 h; yield of isolated products. nHex = n-hexyl. TBS = tert-butyldimethylsilyl. TIPS = triisopropylsilyl. nBu = n-butyl.
