Table 2.

NMR data of deschloro hapalindole I (2) in CDCl₃

Position	δC, mult.a	δH	mult. (J in Hz)b	COSYb	HMBCb	NOESYb
1		8.32	br s	2
2	123.3, CH	7.89	d (2.4)	1	3, 8, 9
3	109.9, C
4	140.7, C
5	114.5, CH	7.04	m	6	4, 7, 9, 10, 16	17, 18
6	124.4, CH	7.202	m	7	4, 5, 8
7	109.2, CH	7.206	m	6	5, 9
8	133.1, C
9	124.9, C
10	132.4, C
11	121.6, C
12	40.6, C
13eq	35.8, CH2	1.76	m	14ax	12, 19	19
13ax		1.72	m	13eq		15
14eq	20.1, CH2	1.97	m	14ax, 15	13	15
14ax		1.83	m	13eq, 14eq, 15	13	18, 19
15	47.4, CH	2.66	dd (9.6, 6.6)	14eq, 14ax	10, 11, 16, 17	13ax, 14eq, 14ax, 17
16	38.9, C
17	24.6, CH3	1.52	s	18	4, 5, 16, 18
18	26.1, CH3	1.04	s	17	4, 5, 16, 17	14ax
19	23.6, CH3	1.36	s		11, 12, 13, 20
20	145.2, CH	5.94	dd (17.4, 10.8)	21E, 21Z	11, 12, 13, 20	13ax, 19
21E	114.7, CH2	5.21	d (10.8)	20	12	19
21Z		5.18	d (17.4)	20	12, 20	19
22	c

^aChemical shifts determined from gHSQC and gHMBC experiments recorded at 600 MHz.

^bRecorded at 600 MHz.

^cSignal not observed.