| abstract |
Process for manufacturing 1-amino-1,3,3, 5, 5-pentamethylcyclohexane mesylate comprising step (i): (i) reacting 1-amino-1, 3, 3, 5, 5-pentamethylcyclohexane with methane sulfonic acid in a solvent or a mixture of two or more solvents selected among anisole, cumene; pentane, hexane, heptane, isooctane; methyl acetate, propyl acetate, isopropyl acetate, n-butyl acetate, isobutyl acetate; methyl ethyl ketone, methyl isopropylketone, methyl isobutyl ketone; dimethyl sulphoxide; tetrahydrofurane, methyltetrahydrofurane, 1,1-diethoxypropane, 1,1-dimethoxymethane, and 2,2-dimethoxypropane. |