Table 1.

NMR Data for Hyrtiocarboline (1) in TFA-d/CDCl₃ (1:3)

position	δH (m, J in Hz)	δC, type	δN	HMBCH-C	HMBCH-N
1		134.1,a C
2			290.0
3		133.2,a C
4	9.19 (s)	123.5, CH		4b, 9a, 16	2
4a		134.0, C
4b		121.9, C
5	7.82 (d, 2.0)	108.0, CH		4a, 6, 7, 8a
6		150.3, C
7	7.42 (dd, 8.8, 2.0)	121.2, CH		5, 6, 8a
8	7.74 (d, 8.8)	114.7, CH		4b, 6	9
8a		137.9, C
9			115.9
9a		138.5, C
10		178.5, C
11		131.5, C
12			169.0a
13	9.05 (s)	135.7, CH		11, 15	12, 14
14			160.0a
15	8.80 (s)	127.4, CH		11, 13	12, 14
16		170.0, C

^aInterchangeable.