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. 2013 Jul 1;18(7):7631–7645. doi: 10.3390/molecules18077631

Table 6.

The 13C chemical shifts (ppm) for ligand and complexes.

Compound δ of 13C
C-2 C-3 C-4 C-5 C-6 C-7 C-8 C-9 C-10
HL 164.1 105.7 183.2 159.8 111.0 135.9 107.5 155.9 110.1
(1) 171.4 106.2 180.9 161.1 116.9 134.9 96.8 158.2 113.4
(2) 171.4 106.0 183.1 162.1 117.1 135.4 99.7 157.78 112.2
Compound δ of 13C
C-1′ C-2′ C-6′ C-3′ C-5′ C-4′
HL 130.53 126.6 129.2 132.3
(1) 131.11 126.1 129.2 131.5
(2) 130.72 126.3 129.2 131.9