The vinylene-bridged ansa-ferrocene complex [(η5-C5H4)CHCH(η5-C5H4)]Fe (1) was synthesized by the McMurry coupling of 1,1'-ferrocenedicarbaldehyde (2). The ring opening metathesis polymerization (ROMP) of this strained metallocene gave poly(ferrocenylenevinylene) (3) as an insoluble orange solid which has a conductivity of 10-3 Ω-1 cm-1 after doping with iodine. Partially soluble materials resulted when 1 was copolymerized with norbornene to yield a block copolymer.
Namyong Y. Kim, Noo Li Jeon, Insung S. Choi, Seiichi Takami, Yoshiko Harada, Krista R. Finnie, Gregory S. Girolami, Ralph G. Nuzzo, George M M Whitesides, Paul E. Laibinis
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