Table 2 Spectral data of ¹H, ¹³C of compound 1

1

–

110.6

–

2

–

156.3

–

3

6.13(d, J = 3.0)

92.9

C1, C2, C4, C5

4

–

161.8

–

5

6.3 (d, J = 2.5)

95.0

C1, C3, C4, C6

6

–

156.0

–

7

–

192.4

–

OCH₃

3.73 (s)

54.9

C4

1′

–

129.8

–

2′

7.58 (d, J = 9.1)

131.6

C1′, C6’, C7

3′

6.78 (d, J = 8.4)

114.8

C1’, C4’, C5’

4′

–

160.9

–

5′

6.8 (d, J = 8,6)

114.8

C1′, C4′, C3′

6′

7.58 (d, J = 9.1)

131.6

C1′, C2′, C7

1′′

4.79 (d, J = 7.8)

100.6

C2

2′′

2.92 (dd, J = 3.9, 3.9)

73.1

C1′′; C 3′′

3′′

3.18 (dd, J = 5.9, 5.7)

76.6

C2′′; C4′′

4′′

3.01 (dd, J = 7.8, 4.6)

69.7

C5′′; C6′′

5′′

3.29 (m)

77.1

C6′′

6′′

3,39 (m)

60,7

C5′′