Sesquiterpenoids and furan derivatives from the Orychophragmus violaceus (L.) O. E. Schulz endophytic fungus Irpex lacteus OV 38 Author Luo, Huai-Zhi , Huan Jiang &, Bing Sun &, Zhen-Nan Wang &, Ai-Qun Jia & School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China &, Huan Jiang & * & School of Pharmaceutical Sciences, Engineering Research Center for Utilization of Tropical Polysaccharide Resources, Ministry of Education, Hainan University, Haikou, 570228, China Author Jiang, Huan Author Sun, Bing Author Wang, Zhen-Nan Author Jia, Ai-Qun text Phytochemistry 2022 112996 2022-02-28 194 1 9 http://dx.doi.org/10.1016/j.phytochem.2021.112996 journal article 10.1016/j.phytochem.2021.112996 1873-3700 8194449

Table 1 1 H (500 MHz) and 13 C (125 MHz) NMR spectroscopic data of compounds 1, 5, 9, 12, 13, 16, and 17.

	1b		5 a		9 a		12 a
a Recorded in CD OD. 3 b Recorded in CDCl.
no.	δ C, type	δ H, multi.	δ C, type	δ H, multi.	δ C, type	δ H, multi.	δ C, type	δ H, multi.
1	134.6, C	–	39.2, CH	2.96, dd (18.3, 10.6)	39.3, CH	2.99, dd (18.5, 10.7)	39.7, CH	2.86, dd (21.0, 10.4)
2	150.7, C	–	167.1, C	–	166.7, C	–	167.1, C	–
3	126.0, C	–	127.8, C	–	128.2, C	–	122.9, C	–
4	21.8, CH2	2.62, d (16.3)	20.6, CH2	2.43, d (17.0)	20.6, CH2	2.46, dt (17.2, 4.1)	28.9, CH2	2.65, dd (16.4, 3.8)
		2.33, m		2.34, t (17.0)		2.37, m		2.40, m
5	32.3, CH2	2.00, overlapped	34.4, CH2	1.77, overlapped	34.4, CH2	1.78, m	73.8, CH	3.83, dt (11.0, 3.5)
		1.69, td (12.5, 4.5)		1.73, m		1.71, m
6	32.5, CH	2.00, overlapped	33.4, CH	2.14, m	33.4, CH	2.12, m	41.3, CH	2.21, dd (14.1, 7.1)
7	53.0, CH	3.11, m	50.3, CH	2.10, m	50.4, CH	2.15, m	47.8, CH	2.12, m
8	43.9, CH2	1.83, dd (12.5, 7.8)	40.9, CH2	1.70, m	41.2, CH2	1.73, m	39.9, CH2	1.71, t (12.2)
		1.59, dd (12.5, 9.9)		1.33, dd (12.6, 11.9)		1.41, dd (13.1, 11.5)		1.34, t (12.2)
9	44.6, C	–	42.6, C	–	41.0, C	–	42.3, C	–
10	145.7, CH	5.80, d (1.5)	39.9, CH2	1.77, overlapped	40.3, CH2	1.76, m	41.1, CH2	2.04, dd (12.7, 7.2)
				1.60, t (12.0)		1.63, t (12.1)		1.41, dd (12.7, 7.2)
11	69.7, CH2	4.87, dd (15.7, 3.6)	71.8, CH2	4.75, d (18.3)	72.0, CH2	4.73, d (17.5)	72.0, CH2	4.78, dt (17.6, 1.5)
		4.69, dt (15.7, 2.2)		4.69, d (18.3)		4.68, d (17.5)		4.71, dd (17.6, 2.8)
12	175.6, C	–	177.3, C	–	177.6, C	–	177.5, C	–
13	10.6, CH3	0.79, d (6.6)	11.7, CH3	1.03, d (7.2)	11.7, CH3	1.02, d (7.0)	5.8, CH3	1.03, d (7.1)
14	29.1, CH3	1.14, s	26.5, CH3	1.09, s	26.5, CH3	1.12, s	27.0, CH3	1.10, s
15	27.2, CH3	1.06, s	71.7, CH2	3.36, d, (11.0)	74.2, CH2	4.00, d (10.6)	71.6, CH2	3.34, d (10.7)
				3.33, d, (11.0)		3.97, d (10.6)		3.32, d (10.7)
16	–	–	–	–	174.1, C	–	–	–
17	–	–	–	–	57.2, CH	4.32, dd (9.1, 4.1)	–	–
18	–	–	–	–	26.0, CH2	2.50, m	–	–
						2.19, m
19	–	–	–	–	30.2, CH2	2.35, m	–	–
20	–	–	–	–	181.0, C	–	–	–
13a				16a		17a
δ C, type		δ H, multi.		δ C, type	δ H, multi.	δ C, type		δ H, multi.
45.0, CH		2.73, t (11.0)		39.2, CH	3.08, td (22.9, 7.6) 155.1, C			–
166.4, C		–		165.9, C	–	117.4, CH		7.46, s
123.8, C		–		128.5, C	–	130.8, C		–
28.7, CH2		2.63, dd (15.5, 3.1)		42.3, CH2	2.04, m	121.8, CH		7.48, d (7.5)
		2.34, t (15.5)			1.84, dt (14.6, 3.7)
73.4, CH		3.71, dt (11.1, 3.6)		65.9, CH	4.71, t (4.0)	130.7, CH		7.03, d (7.5)
41.6, CH		2.03, dd (14.8, 8.4)		33.0, CH	2.10, m	134.7, C		–
41.0, CH		1.93, dd (20.6, 10.2)		49.9, CH	2.05, m	134.6, C		–
44.1, CH2		1.60, m		40.7, CH2	1.71, m	129.9, CH		5.53, t (7.1)
		1.55, m			1.32, dd (13.1, 11.3)
39.4, C		–		42.9, C	–	27.7, CH2		1.89, dd (15.0, 7.5)
83.5, CH		3.62, d (10.4)		39.9, CH2	1.73, m	28.5, CH2		1.35, dd (15.0, 7.2)
					1.61, t (11.9)
72.5, CH2		4.96, d (18.3)		72.2, CH2	4.81, d (17.9)	43.5, CH		1.55, m
		4.90, d (18.3)			4.77, d (17.9)
177.3, C		–		177.1, C	–	63.5, CH2		3.43, overlapped
5.8, CH3		0.96, d (7.1)		14.3, CH3	1.16, d (7.2)	63.5, CH2		3.45, overlapped
29.7, CH3		1.04, s		26.3, CH3	1.05, s	24.4, CH3		1.97, s
25.1, CH3		0.91, s		71.8, CH2	3.33, d (10.7)	171.2, C		–
					3.32, d (10.7)
–		–		–	–	–		–
–		–		–	–	–		–
–		–		–	–	–		–
–		–		–	–	–		–
–		–		–	–	–		–