76355-29-8Relevant articles and documents
Experimental evidence for negative hyperconjugation as a component of the polar effect: Variation of the ease of α-sulfonyl carbanion formation with the orientation of a β-alkoxy substituent
King, James F.,Rathore, Rajendra,Guo, Zhenrong,Li, Manqing,Payne, Nicholas C.
, p. 10308 - 10324 (2007/10/03)
We report evidence for a strongly geometry-dependent substituent effect. The rate constants for H-D exchange of the α-hydrogens, (k(exch))OR, in a set of 19 β-alkoxy sulfones of known, fixed (or strongly preferred) H-C(α)-C(β)-OR torsion angles have been