Fig. 4: Mechanistic studies.
From: Synthesis of difluoromethylated allenes through trifunctionalization of 1,3-enynes

a Test of 3a as the possible reactive intermediate. b Test of 9a as the possible reactive intermediate.
From: Synthesis of difluoromethylated allenes through trifunctionalization of 1,3-enynes
a Test of 3a as the possible reactive intermediate. b Test of 9a as the possible reactive intermediate.