Structural Characterization of Amadori Rearrangement Product of Glucosylated N^α-Acetyl-Lysine by Nuclear Magnetic Resonance Spectroscopy

Table 1

¹H NMR and ¹³C NMR resonance assignments of the isomers of ARP.

Position	^1H NMR (ppm)		^13C NMR (ppm)
	Open-chain	Closed-chain	Open-chain	Closed-chain
1	1.82	1.82	22	22
2	—	—	175	175
3	7.7	7.7	—	—
4	4.0	4.0	53	53
5	—	—	169	169
6	1.5, 1.6	1.5, 1.6	32	32
7	1.3	1.3	22	22
8	1.5	1.5	25	25
9	2.7	2.7	48	48
10	2.6	2.6	—	—
𝟏^′	—	—	175	102
𝟐^′	3.88	3.73	83	82
𝟑^′	3.8	3.7, 3.65	78	76
𝟒^′	3.5	3.6	70	69
𝟓^′	3.4, 3.5	3.5, 3.8	61	63
𝟕^′	2.88	2.93	53	51