Table 2.

NMR (DMSO-d₆, 600 MHz) data for new bromotyrosine compound (1).

Position	δC	Type	δH, m (J in Hz)	COSY (H no.)	1H-13C HMBC (C no.)
1	73.5	CH	3.90 d (7.7)	9	3, 4, 5, 6
2	120.9	C	-
3	147.6	C	-
4	113.1	C	-
5	131.2	CH	6.54 s	1	2, 3, 4, 6 (w) a, 10
6	90.1	C	-
8	59.7	CH3	3.63 s		3
9	-	OH	6.36 d (7.7)	1	1 (w), 4 (w), 6 (w)
10	39.0	CH2	3.59 d (3.6), 3.15 d (3.6)	10	1, 5, 6, 11
11	154.5	C	-
14	158.9	C	-
16	-	NH	8.51 t (5.8)	17	14
17	38.2	CH2	3.13 m	18	18, 19
18	28.1	CH2	1.73 m	17, 19	17, 19
19	21.6	CH2	2.51 m	18	18 (w), 20, 24
20	122.4	C	-
21	-	NH	11.93 bs	23	20 (w)
22	146.6	C	-
23	-	NH	12.15 bs	21	-
24	117.8	C	-
25	-	NH2	7.28 bs
1′	-	NH	11.76 d (6.4)	2′	3′, 5′
2′	124.2	CH	7.64 d (6.4)	1′	4′, 10′
3′	139.9	C	-
4′	173.2	C	-
5′	112.6	C	-
6′	149.6	C	-
7′	103.2	C	-
8′	113.7	CH	6.83 s		24, 6′, 9′, 10′
9′	137.4	C	-
10′	128.9	C	-
11′	-	OH	8.93 bs
12′	-	OH	14.3 bs		5′, 6′ (w)
13′	-	OH	10.25 bs		10′

^a (w) denotes a weak correlation.