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. 2022 Mar 22;85(4):1089–1097. doi: 10.1021/acs.jnatprod.1c01198

Table 2. 1H (700 MHz) NMR Data of Compounds 68 in CDCl3.

  6 7 8
position δH, mult., J in Hz δH, mult., J in Hz δH, mult., J in Hz
1      
2 3.77, bs 3.78, s 4.63, bd, 10.6
3 3.96, bd, 12.2   3.08, t, 10.6
4 3.10, ddd, 12.5, 12.2, 3.5   3.31, ddd, 11.0, 10.6, 3.5
5a 1.61a 2.33a 1.45a
5b 1.83a 2.66a 1.78a
6a 1.62a 1.75a 2.35a
6b 1.97a 2.06a  
7a 1.30, s 1.37, s 4.85, s
7b     5.08, s
8      
9a 4.49, bs 4.76, bs 4.49, bs
9b 4.75, bs 4.78, bs 4.65, bs
10 1.55, s 1.66, s 1.56, s
1′      
2′ 6.12, s 6.30, s 6.09, s
3′      
4′ 6.29, s 6.31, s 6.20, s
5′      
6′      
1″ 2.43, t, 7.2 2.48, t, 7.2 2.41, m
2″ 1.57a 1.60a 1.56a
3″ 1.31a 1.31a 1.33a
4″ 1.33a 1.34a 1.31a
5″ 0.87, t, 7.0 0.88, t, 7.0 0.89, t, 7.0
a

Overlapped.