Sizable scalar 6Li,1H spin‐spin coupling constants have been observed for the new dilithio compound (Z)‐2‐lithio‐1‐(o‐lithiophenyl)ethene (3) which allow an assignment of the two non‐equivalent 6Li resonance signals measured for the dimer of 3. Two‐dimensional 6Li,1H shift correlation experiments based on multiple quantum spectroscopy as well as on polarization transfer are introduced as new tools for structural research in the field of organolithium compounds.
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Mons et al. (1993) studied this question.
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