Triterpenoid Saponins from the Pericarps of Sapindus mukorossi

Table 1

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

Position	Aglycone		HMBC		Glycone		HMBC
	𝛿C ppm	𝛿Hppm		Position	𝛿Cppm	𝛿Hppm
(1)	38.05	1.36		Glc (Inner)
(2)	26.10	—		1′	94.6	4.45 (d, 7.5)	C-28
(3)	81.20	2.73		2′	74.02	3.21 (dd, 7.2, 8.8)
(4)	42.92	—		3′	79.05	3.84 (𝑡, 8.8)	C-1′′
(5)	15.55	—		4′	74.06	3.32 (m)
(6)	26.13	—		5′	64.35	3.86 (d, 10.4)
(7)	33.15	—				3.68 (dd, 10.4, 4.8)
(8)	41.02	—		Glc (Terminal)
(9)	47.05	—		1′′	104.54	4.42 (d, 7.6)
(10)	42.53	—		2′′	73.09	3.26 (dd, 7.6, 8.4)
(11)	27.82	—		3′′	79.95	3.15 (𝑡, 8.4)
(12)	123.6	5.24	C-13	4′′	69.53	3.23 (𝑡, 8.4)
(13)	145.02	—		5′′	69.63	3.34 (m)
(14)	45.48	—		6′′	68.03	3.83 (d, 11.6)
(15)	26.13	—				3.60 (dd, 11.6, 5.6)
(16)	22.34	—		CH3CO	170.02	2.02 (d, 7.6)	H-3′′
(17)	46.23	—			23.05
(18)	41.63	—		Rha
(19)	45.52	—		1′′′	102.05	4.73 (d, 7.2)	C-3
(20)	30.34	—		2′′′	72.07	3.80 (dd, 3.2, 1.2)
(21)	33.91	—		3′′′	81.08	3.63 (dd, 9.6, 3.2)	C-1′′
(22)	35.31	—		4′′′	73.00	3.36 (𝑡, 9.6)
(23)	64.24	—		5′′′	70.07	3.66 (dd, 9.6, 6.0)
(24)	12.83	0.82		CH3	17.52	1.25 (d, 6.0)
(25)	16.77	0.73	C-9,1	Ara
(26)	17.35	1.70		1′′′′	107.05	4.53 (m)
(27)	25.72	0.91		2′′′′	71.05	3.69 (br, s)
(28)	178.83	—		3′′′′	72.00	3.68 (m)
(29)	32.92	0.94	C-19	4′′′′	68.94	3.75 (m)
(30)	24.54	0.97	C-21	5′′′′	63.95	5.17 (d, 1.2)
				CH3CO	170.05	—	H-3′′′′
					21.32	2.12 s
				CH3CO	170.08	—
					21.52	2.17 s	H-4′′′′