Synthesis of 1,2-diethynylferrocene (2), 1,2-divinylferrocene (3) and 1-ethynyl-2-vinylferrocene (5) starting from ferrocene-1,2-dicarboxaldehyde (1) is reported.
Synthesis of 1,2-diethynylferrocene (2), 1,2-divinylferrocene (3) and 1-ethynyl-2-vinylferrocene (5) starting from ferrocene-1,2-dicarboxaldehyde (1) is reported.