Brevianthrones, bianthrones from a Chinese isolate of the endophytic fungus Colletotrichum brevisporum Author Lin, Min * & School of Pharmaceutical Science and Technology, Tianjin University, 92 Weijin Road, Tianjin, 300092, People’s Republic of China Author Adpressa, Donovon A. Author Feng, Meiyu Author Lu, Ya Author Clark, Benjamin R. text Phytochemistry 2021 112792 2021-08-31 188 1 8 http://dx.doi.org/10.1016/j.phytochem.2021.112792 journal article 10.1016/j.phytochem.2021.112792 1873-3700 8259135

Table 1 1 H and 13 C NMR Data for brevianthrones A1-A3 (1–3) a.

position	brevianthrone A1 (1)		brevianthrone A1 (2/3)
a Spectra were recorded at 400 MHz for 1 H NMR and 100 MHz for 13 C NMR in CDCl 3.
	δ C, type	δ H, (J in Hz)	δ C, type	δ H, (J in Hz)
1	164.6, C		164.5/164.6,
			C
1-OH		12.08, s		12.02/12.05, s
2	100.1,	6.39, d (2.4)	100.2/100.1,	6.36, d (2.20)/6.41,
	CH		CH	d (2.1)
3	165.4, C		165.4/165.6,
			C
3-OCH 3	55.7,	3.84, s	55.7/55.7,	3.84/3.87, s
	CH3		CH3
4	107.9,	6.04 d (2.4)	108.0/107.8,	6.03, d (2.20)/6.18,
	CH		CH	d (2.1)
4a	140.4, C		140.4/141.0,
			C
5	120.8,	6.19, s	121.1/120.9,	6.14/6.33, s
	CH		CH
6	147.1, C		147.5/147.5,
			C
7	117.5,	6.72, s	117.4/117.5,	6.73/6.74, s
	CH		CH
8	161.8, C		161.8/161.9,
			C
8-OH		11.82, s		11.79/11.81, s
8a	114.9, C		114.8/115.1,
			C
9	190.3, C		190.3/190.4,
			C
9a	110.8, C		111.0/111.1,
			C
10	56.5, CH	4.41, s	56.4/56.5,	4.36/4.36, s
			CH
10a	143.2, C		143.0/143.7,
			C
11	45.8,	2.67, dd (6.7,	45.8/45.9,	2.68/2.68, m
	CH 2	13.9)	CH 2
		2.68, dd (5.8,
		13.9)
12	68.1, CH	4.03, m (5.7)	68.3/68.4,	4.00/4.00, m
			CH
12-OH		3.49, br s		3.48, br s
13	23.2,	1.25, d (6.3)	23.4/23.5,	1.27/1.27, ovl
	CH3		CH3
1 ′			164.5/164.6,
			C
1 ′ -OH				12.01/12.05, s
2 ′			100.1/100.1,	6.34, d (2.1)/6.41,
			CH	d (2.1)
3 ′			165.3/165.6,
			C
3 ′ -			55.7/55.7,	3.81/3.87, s
OCH 3			CH 3
4 ′			108.1/107.8,	5.88, d (2.1)/6.18,
			CH	d (2.1)
4a ′			140.0/141.0,
			C
5 ′			121.2/120.9,	6.04/6.33, s
			CH
6 ′			147.4/147.5,
			C
7 ′			117.4/117.5,	6.72/6.74, s
			CH
8 ′			161.7/161.9,
			C
8 ′ -OH				11.75/11.81, s
8a ′			114.8/115.1,
			C
9 ′			190.3/190.4,
			C
9a ′			110.8/111.1,
			C
10 ′			56.4/56.5,	4.36/4.36, s
			CH
10a ′
	δ C, type	δ H, (J in Hz)	δ C, type	δ H, (J in Hz)
			142.6/143.7,
			C
11′			45.7/45.9,	2.68/2.68, m
			CH2
12′			68.2/68.4,	4.00/4.00, m
			CH
12′-OH				3.48
13′			23.3/23.5,	1.27/1.27, ovl
			CH3