Higher order, mixed organocuprates. 12. Chemical and spectroscopic observations on the properties and composition of higher order, mixed organocuprates, R2Cu ( …

BH Lipshutz, JA Kozlowski…

Index: Lipshutz, Bruce H.; Kozlowski, Joseph A.; Wilhelm, Robert S. Journal of Organic Chemistry, 1984 , vol. 49, # 21 p. 3943 - 3949

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Abstract

The nature of organocuprates of general formula RzCu (CN) Li2, derived from CuCN and PRLi, is described in terms of their structural integrity in solution. A combination of chemical and spectroscopic testa conclusively demonstrates facile dissociation-reassociation of alkyl groups on copper. Data derived from both IR and variable temperature NMR spectra suggest that different aggregation states between Et20 and THF based solutions of these ...

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