Table 2. NMR Spectroscopic Data (400 MHz, D₂O) of α- and β-Oleoglycine^a.

	β-Oleoglycine (3a)		α-Oleoglycine (3b)
position	δC, type	δΗ (J in Hz)	δC, type	δΗ (J in Hz)
2	82.9, CH	5.32, dd (10.3, 3.7)	84.0, CH	5.23, dd (3.4, 1.8)
3	35.0, CH2	1.87, ddd (14.8, 10.3, 4.0)	35.0, CH2	2.02 overlapped
		2.14, dt (14.8, 3.4)
4	30.1, CH	3.35, br m	27.9, CH	3.35, br m
5	135.3, C		135.8, C
6	173.9, CH	8.22, s	173.8, CH	8.29, s
7	165.5, CH	7.08, q (7.1)	167.1, CH	7.19, q (7.1)
8	18.8, CH3	1.99, d (7.1)	19.1, CH3	2.02, d (7.1)
9	39.8, CH2	2.80, dd (overlapped)	39.8, CH2	2.80, dd (overlapped)
		2.52, dd (overlapped)		2.52, dd (overlapped)
10	176.3, C		176.3, C
11	59.0, CH2	4.33, d (16.1, overlapped)	61.4, CH2	4.40, d (16.1, overlapped)
		4.55, d (16.1)		4.53, d (16.1)
12	174.1, C		174.1, C
1′	133.4, C		133.4, C
2′	133.3, CH	7.17, d (8.3)	133.3, CH	7.17, d (8.3)
3′	118.3, CH	6.83, d (8.3)	118.3, CH	6.83, d (8.3)
4′	157.0, C		157.0, C
5′	118.3, CH	6.83, d (8.3)	118.3, CH	6.83, d (8.3)
6′	133.3, CH	7.17, d (8.3)	133.3, CH	7.17, d (8.3)
7′	36.1, CH2	2.89, t (6.0)	36.1, CH2	2.89, t (6.0)
8′	69.1, CH2	4.35, m, overlapped	69.1, CH2	4.35, m, overlapped

^a13C data were obtained indirectly from the 2D spectra.