| abstract |
A method for providing a secondary or tertiary amine with formula (R 1 R 2 NR 3 ) 2 NR 4 is provided, wherein each of R 1 and R 2 are chosen from the group consisting of a methyl group, an ethyl group, an iso-propyl group and an n-propyl group; R 3 being an alkoxyalkyl group chosen from the group consisting of -CH2CH2OCH2CH2-, -CH2CH2OCH2CH2CH2- and -CH2CH2CH2OCH2CH2CH2-; R 4 is chosen from the group consisting of a hydrogen, a methyl group, an ethyl group, an iso-propyl group, an n-propyl group and a group with formula R 1 R 2 NR 3 . The method comprises the steps: (α)reacting R 1 R 2 NR 3 (OH) with ammonia, thereby providing a mixture comprising (R 1 R 2 NR 3 ) 2 NR 4 ; (β) separating (R 1 R 2 NR 3 ) 2 NR 4 from said mixture. |