DFT study of the tosylation and cyclisation steps in the synthesis of cyclic carbonate (R)-4-Methyl-[1,3]-dioxan-2-one from CO2 and (R)-1,3-butanediol

Article title: Practical synthesis of 6-membered cyclic carbonates from 1,3-diols and low pressure CO2 Authors: Georgina Gregory, Marion Ulmannand Antoine Buchard* DFT study: Optimised structures of local minima and transition states from the potential energy surface of the tosylation and cyclisation steps in the synthesis of cyclic carbonate (R)-4-Methyl-[1,3]-dioxan-2-one from CO2 and (R)-1,3-butanediol. Protocol: rωb97xD/6-31+g(d)/ SCRF=(cpcm,solvent= chloroform) Content: Potential Energy Surface diagram and Gaussian09 rev A.02 output files