Table 1.

¹H (700 MHz) and ¹³C (175 MHz) NMR data for asperorlactone (1) in CD₃OD.

Positions	δH (Mult., J in Hz)	δC, Type
1a	2.83 (overlapped)	46.5, CH2
1b	2.81 (d, 17.5)
2	-	150.1, C
3	-	132.2, C
4	-	136.2, C
5	4.95 (dd, 1.0, 2.1)	60.8, CH
6	4.63 (dd, 1.0, 12.0)	72.7, CH2
	4.52 (dd, 2.1, 12.0)
7	-	166.5, C
8	-	122.7, C
9	7.75 (s)	123.1, CH
10	-	144.3, C
11	2.82 (overlapped)	47.1, CH2
12	-	39.3, C
13	2.37 (s)	13.1, CH3
14	1.19 (s)	27.5, CH3
15	1.19 (s)	27.5, CH3