Molecular Encapsulation of Herbicide Terbuthylazine in Native and Modified β-Cyclodextrin

Table 2

¹H NMR chemical shift (δ) data of TBA, β-CD, and TBA/β-CD complex (see Scheme 1).

H; assignment	δ TBA; (DMSO)	δ  β-CD; (DMSO)	δ TBA/β-CD; (DMSO)	Δδ
CH2	3.244	—	3.370	0.126
t-Butyl	1.346	—	1.344	−0.002
CH3	1.100	—	1.067	−0.033
H1′	—	5.708	5.708	0.000
H3′	—	5.661	5.654	−0.007
H5′	—	4.828	4.854	0.026
H6′	—	4.434	4.432	−0.002
H2′	—	3.642	3.640	−0.002
H4′	—	3.566	3.568	0.002