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. Author manuscript; available in PMC: 2021 Oct 1.

Published in final edited form as: Bioorg Chem. 2020 Jul 23;103:104127. doi: 10.1016/j.bioorg.2020.104127

Table 2.

¹H and ¹³C NMR Data for Eucalyprobusones C (8) and D (9).

	Eucalyprobusone C (8)^a		Eucalyprobusone D (9)^b
No.	δ_C	δ_H (J in Hz)	δ_C	δ_H (J in Hz)
1	165.8		163.6
2	104.6		104.0
3	162.5		162.0
4	93.6	6.10 s	92.8	6.07 s
5	164.4		162.8
6	110.3		106.0
7	211.3		211.1
8	39.9	3.82 sept. (6.7)	39.3	3.79 sept. (6.8)
9	19.6	1.13 d (6.7)	19.2	1.17 d (6.8)
10	19.7	1.12 d (6.7)	19.2	1.17 d (6.8)
1′	165.8		169.9
2′	104.6		105.6
3′	162.5		165.3
4′	93.6	6.10 s	104.8
5′	164.4		168.4
6′	110.3		103.5
7′	211.6		15.1	3.74 2H s
8′	27.8	a 1.79 m, b 1.35 m	193.2	10.15 s
9′	46.7	3.69 sext. (6.7)	207.2
10′	16.8	1.11 d (6.7)	52.2	3.00 2H d (6.7)
11′	16.9	1.11 d (6.7)	25.2	2.44 brsept. (6.7)
12′			22.7	0.99 d (6.7)
13′			22.7	0.99 d (6.7)
1″	28.2	5.01 t (8.1)
2″	40.8	2.08 2H m
3″	27.4	1.44 brsept. (6.5)
4″	22.8	0.88 d (6.5)
5″	22.8	0.88 d (6.5)
OH-1		9.50 s		16.76 s
OH-1′		9.50 s		17.23 s
OH-3′				10.31 s
OH-5				8.93 s
OH-5′				14.48 s
OMe-3	56.2	3.90 s	55.8	3.86 s
OMe-3′	56.2	3.89 s

^a

Data were recorded at 600 MHz in acetone-d₆.

^b

Data were recorded at 500 MHz in CDCl₃.