Diversity of sesquiterpenoids from Stellera chamaejasme with neuroprotective effects Author Yuan, Fang-Yu , Zhuo-Ya Tang &, Xue-Long Yan, Dong Huang, Han-Zhuang Weng, Author Tang, Zhuo-Ya Author Yan, Xue-Long Author Huang, Dong Author Weng, Han-Zhuang Author Huang, Jia-Luo Author Fan, Run-Zhu Author Chen, Ye Author Yin, Sheng Author Tang, Gui-Hua text Phytochemistry 2023 113588 2023-04-30 208 1 10 http://dx.doi.org/10.1016/j.phytochem.2023.113588 journal article 10.1016/j.phytochem.2023.113588 1873-3700 8194549

Table 1 The 1 H NMR (400 MHz) and 13 C NMR (100 MHz) data of compounds 1 and 2 in CDCl 3 (δ in ppm).

Position	1		2
	δ H, multi. (J in Hz)	δ C, type	δ H, multi. (J in Hz)	δ C, type
1		130.5, C		95.7, C
2		164.3, C	β 2.09, m,	39.7, CH2
			α 1.93, m
3	7.21, s	144.4, CH	α 1.76, m,	31.5, CH2
			β 1.54, m
4		117.1, C	2.22, m	38.3, CH
5		152.8, C	2.59, dd (19.0, 8.2)	44.3, CH
6	2.68, m	31.9, CH2	β 1.89, m,	26.2, CH2
			α 1.82, m
7	2.49, m	43.7, C	3.02, dd (11.6, 5.7)	44.4, CH
8	α 1.81, m,	25.4, CH2		176.0, C
β 1.78, m
9	α 2.16, m,	37.4, CH2	a 5.01, s	110.7, CH2
	β 1.85, m		b 4.87, s
10		75.2, C		147.5, C
11		148.1, C		145.8, C
12	a 4.76, s	110.8, CH2	a 5.28, s	114.9, CH2
	b 4.73, s		b 5.03, s
13	1.75, s	21.4, CH3	a 4.22, d(13.2),	65.7, CH2
			b 4.16, d (13.2)
14	1.59, s	27.6, CH3	1.83, s	19.2, CH3
15	1.91, s	15.2, CH3	1.02, d (7.0)	14.9, CH3
OH	5.72, s