Antibacterial Activity of Coumarins and Carbazole Alkaloid from Roots of Clausena anisata

Table 2

¹H-NMR (CDCl₃, 400 MHz), ¹³C-NMR, and DEPT-135 (100 MHz) spectral data of compound 1.

Position	^1H NMR	^13C NMR	DEPT-135	[10]
				^1H NMR	^13C NMR
CHO	9.94, s	195.4	195.4	9.90, s	196
2(−OH)	11.68, s	157.9	—	—	156.3
NH	8.19, s	—	—	—	—
8a	—	140.2	—	8.25, s	142.3
9a	—	145.1	—	—	144.8
3	—	115.5	—	—	114.7
4	8.05, s	125.9	125.9	—	124.3
5	7.95 (1H, d, J = 7.75, 2.1 Hz)	119.8	119.8	8.00, d	120.5
4b	—	125.3	—	—	116.3
6	7.41, s	123.7	123.7	—	108.5
7	7.43 (1H, dd, J = 7.75, 2.1 Hz)	120.9	120.9	—	158.5
8	7.99 (1H, dd, J = 8, 2.1 Hz)	110.9	110.9	—	95.6
4a	—	117.4	—	—	117.0
1	—	109.1	—	—	108.9
1′	3.66, (1H, d, J = 6.90 Hz)	22.9	22.9	3.65, d, J = 7 Hz	22.6
2′	5.35, 1H (t)	121.3	121.3	5.35, t, J = 6 Hz	121.6
3′	—	134.2	—	—	131.7
4′	1.91, s	25.7	25.8	1.66, s	25.7
5′	1.80, s	18.2	18.2	1.82, s	17.9