TRANSFORMATION OF AMINES TO OXIMES
2661
Cyclopentanone oxime. IR nmax (KBr) 3298 cmꢀ1 (OH of oxime), 1660 cmꢀ1
1
=
(C N). H NMR (400 MHz, TMS, CDCl3): d 8.20 (s, br, OH), 2.42 (2H, t), 2.10
(2H, t). m=z (GC-MS, HRMS): 99.06 (Mþ).
n-Butanal oxime. IR nmax (KBr) 3250 cmꢀ1 (OH of oxime), 1648 cmꢀ1
(C N). H NMR (400 MHz, TMS, CDCl3): d 7.90 (s, OH, br), 7.70 (1H, s), 2.90
and 2.01 (2 m, altogether 4H at C2 and one of allylic position of both isomer are
in 3:1), 0.87–1.43 (6H, m). m=z (GC-MS, HRMS): 87.10 (Mþ).
1
=
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