Ecological and Phytochemical Studies on Euphorbia retusa (Forssk.) from Egyptian Habitat

Table 4

¹³C (125 MHz) and ¹H (600 MHz) NMR data of compounds 2 and 3 in CDCl₃.

Number	2		3
	δC	δH (JHz)	δC	δH (JHz)
1	32.0	1.53 (m), 1.22 (m)	32.0	1.53 (m), 1.21 (m)
2	30.4	1.53 (m), 1.73 (m)	30.4	1.53 (m), 1.73 (m)
3	78.7	3.25 (m)	78.8	3.26 (m)
4	40.5	—	40.5	—
5	47.1	1.26 (m)	47.1	1.26 (m)
6	21.2	1.56 (m), 0.77 (m)	21.2	1.56 (m), 0.77 (m)
7	28.2	1.89 (m), 1.26 (m)	28.1	1.89 (m), 1.26 (m)
8	47.8	1.47 (m)	48.0	1.47 (m)
9	20.0	—	20.0	—
10	26.1	—	26.1	—
11	26.0	1.07 (m)	26.0	1.26, 1.03 (m)
12	32.9	1.60 (m)	32.9	1.59 (m)
13	45.3	—	45.3	—
14	48.8	—	48.8	—
15	35.0	1.55 (m), 1.11 (m)	35.6	1.27 (m)
16	26.5	1.07 (m)	26.5	1.95 (m), 1.8 (m)
17	52.3	1.57 (m)	52.3	1.54 (m)
18	18.1	0.94 (s)	18.1	0.94 (s)
19	29.9	0.52 (d, 4.2), 0.30 (d, 4.2)	29.7	0.53 (d, 4.2), 0.30 (d, 4.2)
20	36.1	1.35 (m)	35.8	1.36 (m)
21	19.4	0.86 (d, 6.8)	19.4	0.84 (d, 6.8)
22	35.6	1.26 (m)	30.2	1.73 (m), 1.53 (m)
23	31.3	2.09 (m), 1.86 (m)	30.4	1.73 (m), 1.53 (m)
24	156.6	—	40.5	1.58 (m)
25	33.8	2.20 (m)	29.9	1.28 (m)
26	21.9	1.00 (d, 6.8)	18.5	1.07 (d, 6.8)
27	22.0	0.99 (d, 6.8)	18.4	1.07 (d, 6.8)
28	25.5	0.94 (s)	25.5	0.94 (s)
29	14.0	0.78 (s)	14.0	0.78 (s)
30	18.4	0.87 (s)	19.4	0.87 (s)
31	105.9	4.69 (d, 1.7), 4.63 (d, 1.7)	18.1	0.93 (d, 6.8)