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. 2020 Oct 31;25(21):5063. doi: 10.3390/molecules25215063

Table 3.

NMR-1H data of the complexes III–VI. (J = Hz).

Complex 1H δ(SiMe4) Ligand Structure
III 7.29 (ddt, 2H, H3 + H4)
6.80 (m, 2H, H2 + H5)
5.48 (s, 2H, NH2)
5.05–5.11(dd, 4H, C6H4-, J = 6.0)
2.70 (sept, 1H, -CH(CH3)2, J = 7.2)
2.05 (s, 6H, CH3-C6H4-)
1.17 (d, 6H, -CH(CH3)2, J = 6.8) 		graphic file with name molecules-25-05063-i001.jpg
IV 9.20 (dt, 1H, H6, J = 8.0)
8.96 (m,1H, H3)
7.55 (m, 2H, H4 + H5)
5.37–5.62 (dd, 4H, C6H4-, J = 6.2)
3.09 (sept, 1H, -CH(CH3)2, J = 7.2)
2.28 (s, 3H, CH3-C6H4-)
1.24 (d, 6H, -CH(CH3)2, J = 6.8) 		graphic file with name molecules-25-05063-i002.jpg
V 9.22 (dd, 2H, H1 + H4, J = 1.2)
7.73 (d, 2H, H2 + H3, J = 1.6)
5.66–5.95 (dd, 4H, C6H4-, J = 6.2)
2.57 (sept, 1H, -CH(CH3)2, J = 6.8)
1.76 (s, 3H, CH3-C6H4-)
1.50 (d, 6H, -CH(CH3)2, J= 6.8)		 graphic file with name molecules-25-05063-i003.jpg
VI Decompose into solution.