1. S. Patai , “Carboxylic Acids and Esters”, 1969, and “The Chemistry of Acid Derivatives” Supplement B, Parts 1 and 2 , John Wiley Ltd. , 1979
2. J. Mulzer , in Comprehensive Organic Functional Group Transformations , ed. A. R. Katritzky , O. Meth-Cohen and C. W. Rees , Pergamon , 1995 , ch. 5.03, vol. 5
3. I. G. Alabugin , “ Stereoelectronic Effects – A Bridge Between Structure and Reactivity ”, Wiley , Chichester, UK , 2016 , ch. 6
4. Structural Characteristics of the Carboxylic Ester Group
5. Conformations of the Ester Group