Table 1 NMR data of compounds 1–2 at 500 MHz in DMSO-d6.

From: Naturally occurring hybrids derived from γ-amino acids and sugars with potential tail to tail ether-bonds

1

2

Position

δH 1*α

δC1*α

δH 1*β

δC1*β

δH 2*α

δC2*α

δH 2*β

δC2*β

CHO

9.48 s

179.4

9.48 s

179.4

9.48 s

179.4

9.48 s

179.4

1

 

173.8

 

173.9

 

174.1

 

174.1

2

4.25 t (7.5)

44.2

4.25 t (7.5)

44.2

4.25 m

44.3

4.25 m

44.3

3

1.85 t (7.5)

26.3

1.85 t (7.5)

26.3

1.85 m

26.4

1.85 m

26.4

4

2.20 t (7.5)

30.7

2.20 t (7.5)

30.7

2.20 m

30.9

2.20 m

30.9

2′

 

132.0

 

132.0

 

131.9

 

131.9

3′

6.98 d (3.5)

123.6

6.98 d (3.5)

123.6

6.98 d (3.5)

123.5

6.98 d (3.5)

123.6

4′

6.27 d (3.5)

111.2

6.27 d (3.5)

111.1

6.25 d (3.5)

111.1

6.25 d (3.5)

111.2

5′

 

139.2

 

139.1

 

139.3

 

139.2

6′

4.50 s

63.6

4.50 s

63.3

4.50 s

63.5

4.50 s

63.4

1″

3.38 m,

3.30 m

63.4

3.22 dd (17.0, 12.0)

62.9

4.88 d (3.5)

92.2

4.27 m

96.8

2″

 

104.4

 

102.2

3.71 m

70.4

2.87 t (8.5)

74.7

3″

3.82 d (7.5)

79.2

3.82 d (7.5)

75.2

3.10 m

72.2

3.25 m

74.9

4″

3.58 m

77.2

3.75 t (7.5)

75.7

2.98 m

70.6

2.98 m

70.3

5″

3.78 m

82.9

3.63 m

79.6

3.40 m

73.1

3.09 m

76.6

6″

3.44 m, 3.43 m

70.8

3.57 m, 3.45 m

72.4

3.64 m, 3.49 m

70.0

3.70 m, 3.46 m

69.9

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