On the Aggregation of Lithiated Bicyclobutane Derivatives in Solution


  • This work was supported by the Deutsche Forschungsgemeinschaft and the Fonds der Chemischen Industrie.


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The “1,2-dianion” 1 could be identified by reaction with Me3SiCl and D2O. 1 was shown by 1H- and 13C-NMR spectroscopy to aggregate in solution into a polymeric network—in contrast to the behavior of dimeric monolithiobicyclobutanes.