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Geminal and Vicinal 13C-13C Coupling Constants in Carboxylic Acid Derivatives
Chaloner, Penny A.
, p. 1028 - 1032 (2007/10/02)
Geminal 13C-13C coupling constants in αβ-unsaturated azlactones and the acids and esters derived from their hydrolysis are large and strongly dependent of configuration.Coupling constants in simple 13C1-labelled carboxylic acids are also reported; vicinal couplings show a strong geometric dependence but the geminal couplings depend mainly on hybridisation.
