Phytoconstituent Isolation and Cytotoxicity Evaluation of the Egyptian Cassia occidentalis L. Possessing Selective Activity against Lung Carcinoma

Table 1

¹H-NMR, ¹³C-NMR, DEPT, and HMBC (400 and 100 MHz, DMSO-d₆) data of compound(9).

Carbon no.	^1H-NMR (m, in Hz)	^13C-NMR	DEPT	HMBC
1	—	131.30	C	—
2	7.17 (1H, br.s)	104.40	CH	3, 4, 6
3	—	148.40	C	—
4	—	148.20	C	—
5	6.91 (1H, d, J = 7.6 Hz)	109.0	CH	1, 3, 4
6	6.98 (1H, d, J = 7.6 Hz)	123.0	CH	1, 2, 4
7	3.52 (1H, m)	70.10	CH	-—
8	3.41 (1H, m)	73.20	CH	—
9	9a 4.20 (1H, m)	62.50	CH2	—
	9b 4.46 (1H, m)
1′	—	148.40	C	—
2′,6′	6.94 (2H, d, J = 8.1 Hz)	126.10	CH	1′, 3′, 4′, 5′
4′	—	131.30	C	—
3′,5′	6.87 (2H, d, J = 8.1 Hz)	138.20	CH	1′, 4′, 7′, 2′, 6′
7′	7.21 (1H, d, J = 14.8 Hz)	142.40	CH	3′, 5′, 9′
8′	6.67 (1H, d, J = 14.8 Hz)	121.20	CH	3′, 5′, 9′
9′	—	164.90	C	—
9′-OH	13.13 (1H, br.s.)	—	—	—
O-CH2-O	6.02 (s)	101.70	CH2	3, 4