Mitigation of H₂O₂-Induced Mitochondrial-Mediated Apoptosis in NG108-15 Cells by Novel Mesuagenin C from Mesua kunstleri (King) Kosterm

Table 1

Comparison of ¹H and ¹³C NMR of mesuagenin C and compound 3 (δ in ppm; 400 MHz in CDCl3).

Position	δ H, 𝐽 (Hz) mesuagenin C [8]	δ H, 𝐽 (Hz) compound 3	δ C mesuagenin C [8]	δ C compound 3
2			158.9	158.9
3	6.00 (1H, 𝑠)	6.01 (1H, 𝑠)
4			157.2	157.3
4a			100.7	100.7
5-OH	5.98 (1H, s, 5-OH)	5.99 (1H, s, 5-OH)
6			112.6	112.6
7-OH	14.54 (1H, s, 7-OH)	14.54 (1H, s, 7-OH)
8			103.8	103.8
8a			155.8	155.8
1^′			137.1	137.1
2^′	7.40 (1H, 𝑚, Ar)	7.42 (1H, 𝑚, Ar)
3^′	7.52 (3H, 𝑚, Ar)	7.54 (3H, 𝑚, Ar)
4^′
5^′
6^′	7.40 (1H, 𝑚, Ar)	7.42 (1H, 𝑚, Ar)
1^′′	3.30 (2H, 𝑑, 𝐽=6.72)	3.31 (2H, 𝑑, 𝐽=6.72)
2^′′	5.08 (1H, 𝑡, 𝐽=7.36)	5.10 (1H, 𝑡, 𝐽=7.36)
3^′′			138.2	138.1
4^′′	1.68 (3H, 𝑠)	1.70 (3H, 𝑠)
5^′′	2.03–1.91 (4H, 𝑚)	2.04–1.92 (4H, 𝑚)
6^′′
7^′′	4.99 (1H, 𝑡, 𝐽=7.32)	5.00 (1H, 𝑡, 𝐽=7.32)
8^′′			131.7	131.7
9^′′	1.53 (3H, 𝑠)	1.54 (3H, 𝑠)
10^′′	1.59 (3H, 𝑠)	1.60 (3H, 𝑠)
1^′′′			210.7	210.8
2^′′′	4.11 (1H, 𝑚)	4.12 (1H, 𝑚)
3^′′′	1.28 (6H, 𝑑, 𝐽=7.32)	1.29 (6H, 𝑑, 𝐽=7.32)
4^′′′