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3‑D Brick-Wall Polymeric Structure of TMEDA-Supported 1,4-Dilithio-1,3-Butadiene

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journal contribution
posted on 22.07.2013, 00:00 by Shaoguang Zhang, Ming Zhan, Wen-Xiong Zhang, Zhenfeng Xi
The synthesis and X-ray crystallographic structure of a 3-D brick-wall coordination polymer of TMEDA-supported dimeric 2,3-dialkyl-1,4-dilithio-1,3-butadiene are reported. TMEDAs behave as bridging coordinating ligands rather than intramolecular chelating ligands. The Li4-tetrahedron core was stable toward the deaggregation of TMEDA because of the small steric hindrance on the butadiene skeleton.