A New Triterpenoid Saponin and Antimicrobial Activity of Ethanolic Extract from Sapindus mukorossi Gaertn.

Table 1

¹³C, ¹H and HMBC data of compound 1 in DMSO d⁶.

Position	Aglycone δ C ppm	δ H ppm	HMBC	Position	Glycone δ C ppm	δ H ppm	HMBC
1	38.05	1.36		Xyl
2	22.12	1.98 m		1^′	104.83	5.16 (d,7.8)
3	81.53	2.73 (dd, 11.2, 4.0)	C-1^′	2^′	72.20	4.06 (d,9.2)	C-1^′′
4	36.03	—		3^′	77.95	3.84 m
5	15.55			4^′	68.07	4.34 m
6	26.13	—		5^′	70.03	3.38 (d, 11.2)
7	33.15	—
8	41.02	—		Ara
9	47.05	—		1^′′	106.54	5.05 (d, 7.8)
10	42.53	—		2^′′	76.22	3.14 m
11	27.82	—		3^′′	72.23	4.56 (d, 9.2)
12	123.60	5.24 m	C-11, 13	4^′′	69.53	3.98 m
13	145.02	—		5^′′	65.72	4.62 (dd, 9.2, 3.3)
14	45.48	—
15	26.13	—
16	22.34	—		Rha
17	46.23	—		1^′′′	99.85	4.80 (d, 9.2)	C-28
18	41.63	—		2^′′′	71.22	4.73 m
19	45.52	—		3^′′′	79.53	3.38 m
20	30.34	—		4^′′′	73.82	3.18 (d, 11.2)
21	33.91	—		5^′′′	64.52	4.2 (d, 9.2)
22	35.31	—		CH3	17.52	1.24 (d, 6.2)	CO
23	64.22	3.34, 3.51		CO	173.48	—
24	12.83	1.09		CH3	22.05	2.15 s	CO
25	16.77	1.09	C-1, 8
26	17.35	1.09
27	25.72	0.70
28	178.83	—
29	32.92	0.87	C-21
30	24.54	0.87	C-19