Patent ID: 8784847

Claim:
A 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 of anisole or methyl ethyl ketone or a solvent mixture of anisole or methyl ethyl ketone with one or more solvents selected from the group consisting of cumene, pentane, hexane, heptane, isooctane, methyl acetate, propyl acetate, isopropyl acetate, n-butyl acetate, isobutyl acetate, methyl isopropylketone, methyl isobutyl ketone, dimethyl sulphoxide, tetrahydrofuran, methyltetrahydrofuran, 1,1-diethoxypropane, 1,1-dimethoxymethane, and 2,2-dimethoxypropane; wherein the reaction results in the formation of a product of 1-amino-1,3,3,5,5-pentamethylcyclohexane mesylate.