3.1.2. (1*S*,2*S*,4*R*)-1-[(Dimethylamino)methyl]-7,7-dimethylbicyclo[2.2.1]heptan-2-amine (**1a**)

Elutes second from the column. Yield: 850 mg (4.33 mmol, 57%) of colorless oil. 1H-NMR (500 MHz, CDCl3): δ 0.67 (dd, *J* = 12.9, 4.3, 1H), 0.86 (s, 3H), 0.89 (s, 3H), 1.22 (ddd, *J* = 12.3, 9.5, 4.4, 1H), 1.38 (ddd, *J* = 12.3, 4.5, 2.0, 1H), 1.49 (t, *J* = 4.6, 1H), 1.70–1.79 (m, 1H), 1.80 (br s, 2H), 2.10 (d, *J* = 13.1, 1H), 2.13–2.17 (m, 1H), 2.20 (s, 6H), 2.21–2.26 (m, 1H), 2.45 (d, *J* = 13.0, 1H), 3.36 (ddd, *J* = 10.6, 4.3, 2.0, 1H).
