Zhou, Minqi Zhang, Jian Zhang, Xing-Guo Zhang, Xingang Ni-Catalyzed Defluorination for the Synthesis of <i>gem</i>-Difluoro-1,3-dienes and Their [4 + 2] Cycloaddition Reaction A nickel-catalyzed defluorination of α-trifluoromethylated allyl/propargyl carbonates using bis­(pinacolato)­diboron (B<sub>2</sub>pin<sub>2</sub>) as a reactant is described. The reaction proceeds under relatively mild reaction conditions, providing conjugated <i>gem</i>-difluoroalkenes in moderate to good yields. Applications of the resulting 1,1-difluoro-1,3-dienes by [4 + 2] cycloaddition reactions with maleimide led to cyclic fluorinated products efficiently. reaction conditions;B 2 pin 2;reaction proceeds;Ni-Catalyzed Defluorination;nickel-catalyzed defluorination;gem 2019-01-11
    https://acs.figshare.com/articles/journal_contribution/Ni-Catalyzed_Defluorination_for_the_Synthesis_of_i_gem_i_-Difluoro-1_3-dienes_and_Their_4_2_Cycloaddition_Reaction/7579820
10.1021/acs.orglett.8b03841.s001