M. Jaworska et al., CONFORMATIONAL-ANALYSIS OF PHENYLSULPHONYLALKANOIC ACIDS WITH THE AM1METHOD, Journal of molecular structure. Theochem, 102, 1993, pp. 207-211
AMI molecular orbital calculations were carried out for a series of co
mpounds having the formula Ph-SO2-CR1R2-COOH, some of which possess a
sweet taste. The minimum-energy conformation with an intramolecular hy
drogen bond was found for each compound investigated.