Table 4.

NMR Data (500 MHz) of 7 and 8 in DMSO-d₆

	7			8
position	δC	δH mult. (J in Hz)	HMBCa	δC	δH mult. J in Hz)	HMBCa
1	170.1			170.0
2	62.4	4.24, dd (11.6, 3.0)	1, 3, 4, 2-NCH3	62.4	4.24, dd (11.6, 3.0)	1, 3, 4, 2-NCH3
3	34.2	2.95, d (15.0)	2, 4, 5/9	34.2	2.94, d (15.0)	2, 4, 5/9
		3.45, dd (15.0, 3.0)	4, 5/9		3.46, dd (15.0, 3.0)	4, 5/9
4	138.4			138.4
5/9	128.6	7.18, d (8.2)	3, 7	128.6	7.18, d (8.2)	3, 7
6/8	129.0	7.32, t (8.5)	4, 8/6	129.0	7.32, t (8.5)	4, 8/6
7	127.0	7.22, t (8.5)	5/9	127.0	7.22, t (8.5)	5/9
2-NCH3	30.7	2.67, s	1‴, 2	30.7	2.66, s	1‴, 2
1′	171.7			171.6
2′	59.0	3.93, dd (11.3, 3.2)	1′, 3′, 4′, 2′-NCH3	59.0	3.94, dd (11.3, 3.2)	1′, 3′, 4′, 2′-NCH3
3′	37.5	1.70, m	2′, 4′, 5′	37.5	1.71, m	2′, 4′, 5′
		1.82, m	2′, 4′, 5′		1.83, m	2′, 4′, 5′
4′	24.9	1.32, m		24.9	1.32, m
5′	21.3	0.88, d (6.0)	3′, 4′, 6′	21.3	0.88, d (6.0)	3′, 4′, 6′
6′	23.6	0.92, d (6.0)	3′, 4′, 5′	23.6	0.92, d (6.0)	3′, 4′, 5′
2′-NCH3	30.5	2.64, s	1, 2′	30.5	2.64, s	1, 2′
1″	171.2			171.3
2″	55.4	4.37, dd (9.0, 6.5)	1″, 3″, 4″, 5″	54.9	4.43, dd (9.0, 6.5)	1″, 3″, 4″, 5″
3″	29.6	2.16, m	2″, 4″, 5″	36.4	1.90, m	2″, 4″, 5″
4″	18.6	0.89, d (6.8)	2″, 3″, 5″	24.8	0.99, m	3″, 5″, 6″
					1.60, m	2″, 3″, 5″, 6″
5″	21.1	0.93, d (6.8)	2″, 3″, 4″	17.2	0.93, d (6.8)	2″, 3″, 4″
6″				12.3	0.88, t (6.8)	3″, 4″
2″-NH		8.11, d (9.0)	1′, 2″		8.11, d (9.0)	1′, 2″
1‴	171.2			171.2
2‴	55.0	4.04, t (8.3)	1‴, 3‴, 4‴, 5‴	55.0	4.04, t (8.3)	1‴, 3‴, 4‴, 5‴
3‴	29.2	1.92, m	2‴, 4‴, 5‴	29.2	1.92, m	2‴, 4‴, 5‴
4‴	18.6	0.74, d (6.8)	2‴, 3‴, 5‴	18.6	0.74, d (6.8)	2‴, 3‴, 5‴
5‴	20.8	0.64, d (6.8)	2‴, 3‴, 4‴	20.8	0.64, d (6.8)	2‴, 3‴, 4‴
2‴-NH		8.05, d (8.3)	1″, 2‴		8.02, d (8.3)	1″, 2‴

^aHMBC correlations are from proton(s) to the indicated carbon.