263
6.1.4 Further Amine Derivatives
Hydrazines. 15 N Chemical Shifts (δ in ppm relative to CH 3 NO 2 ; neat
liquids unless indicated otherwise)
Hydroxylamines. 15 N Chemical Shifts (δ in ppm relative to CH 3 NO 2 )
Aminoboranes and Amine-Borane Adducts . 15 N Chemical Shifts (δ in
ppm relative to CH 3 NO 2 )
Silylamines. 15 N Chemical Shifts (δ in ppm relative to CH 3 NO 2 )
NH NH
H
N NH 2
-334.9
-293 (H 2 O/HCl)
≈ -275
-277.7
-277.9
(acetone)
-294.3
-328.1
-322.8
-307.8
-305.6
-281.5
-285.4
-287.7
-319.6
HN NH 2
N NH 2
N NH
N N
N N
-279.3
(C 6 D 6 )
-351.7
(C 6 D 6 )
-369.2
(C 6 D 6 )
NH B
NH
NH CH 3
CH 3
H 3 C
-378.5
(neat)
-354.9
(neat)
N Si(CH 3 ) 3
H 3 C
H 3 C
N SiCl 3
H 3 C
H 3 C
H 2 N NH 2
NH 3 BH 3
HO NH 2
HO NH 3
+ Cl –
NH 2 B
CH 3
CH 3
6.1 15 N NMR Spectroscopy