. Author manuscript; available in PMC: 2021 May 1.

Published in final edited form as: Magn Reson Chem. 2019 Aug 4:10.1002/mrc.4932. doi: 10.1002/mrc.4932

TABLE 1.

NMR spectroscopic data (600 MHz ¹H, 150 MHz ¹³C, DMSO-d₆) for damirine A (1)

Position	δ_C, type	δ_H (J in Hz)	ROESY	HMBC
1	110.6, CH	7.62, d (7.8)	13	3, 4a, 4b^a, 13a^a
2	122.2, CH	7.29, dd (7.2, 7.8)		1, 4, 13a, 4a^a
3	118.4, CH	7.19, dd (7.2, 7.8)		1, 4, 4a, 4b^a, 13a^a
4	120.0, CH	8.44, d (7.8)		2, 4b, 13a, 1^a
4a	121.9, C
4b	101.7, C
4c	123.2, C
5		^b
6	153.0, C
7		^b
7a	116.7, C
7b	127.8, C
8		11.86, s	9	7b, 8a, 12a, 12b, 7a^a, 4c^a
8a	138.3, C
9	110.7, CH	7.55, d (7.8)	8	11, 12a, 8a^a, 12b^a
10	122.4, CH	7.30, dd (7.2, 7.8)		8a, 9, 12, 12a^a
11	118.5, CH	7.24, t (7.2)		9, 12, 12a, 8a^a, 12b^a
12	120.0, CH	8.57, d (7.2)	13	8a, 10, 12b, 9^a
12a	122.7, C
12b	101.4, C
12c	129.8, C
13		11.51, s	1, 12	4a, 4b, 12c, 13a, 1^a, 7b^a
13a	138.6, C

Observed with ⁿJ_CH = 3 Hz.

Not observed.