Table 1.

NMR data for accramycin A 1 (CD₃OD, 600 MHz at 298 K).

Position	13C a	1H, mult. (J, Hz)	Position	13C a	1H, mult. (J, Hz)
1	112.1, CH	6.49, d (2.4)	16	147.4, C	-
2	167.0, C b	-	17	39.3, C	-
3	104.0, CH	5.99, d (2.4)	18	154.5, C	-
4	167.1, C	-	19	34.4, CH3	1.70, s
5	105.0, C	-	20	34.7, CH3	1.69, s
6	189.2, C	-	21	125.3, C	-
7	107.4, C	-	22	155.2, C	-
8	165.3, C	-	23	99.2, CH	6.32, d (2.4)
9	118.7, C	-	24	160.2, C	-
10	141.0, C b	-	25	106.9, CH	6.37, d (2.4)
11	121.7, CH	6.71, d (2.4)	26	138.2, C	-
12	161.1, C	-	27	20.6, CH3	1.91, s
13	106.6, CH	7.19, d (2.4)	28	55.3, CH3	3.80, s
14	141.8, C	-	29	55.6, CH3	3.95, s
15	115.8, CH	7.47, s

^a Obtained from HSQC and HMBC, respectively; ^b estimated from DMSO-d₆ spectrum.