In the last twenty years, new categories of solvents have been investigated in order to deal with safety and environmental issues;[1] that is, water,[2] supercritical fluids,[3] ionic liquids,[1a] solvents derived from CO2[1b, 4] or from renewables.[5] The advantage of using solvents derived from renewables is that natural products are present in large amounts, although only a small fraction (ca. 4%) is used for this purpose. d-sorbitol is a good ...