Table 4 ¹H NMR and ¹³C NMR spectroscopic data for compound 3 and compound 4

2

83.54

5.04; 1H; d (10.4)

5.12; 1H; d (9.8)

4.94; 1H; d (2.0)

3

78.37

4.53; 1H; d (10.4)

4.52; 1H; d (9.5)

4.58 ; 1H; d (2.0)

4

195.5

-

-

-

5

164.1

-

-

-

6

97.25

5,78 ; 1H; d (1.9)

5.84; 1H; d (1.5)

5.80; 1H; d (1.9)

7

172.1

-

-

-

8

97.25

5,76; 1H; d 1.9)

5.86; 1H; d (1.2)

5.80 ; 1H; d (1.9)

9

164.2

-

-

-

10

101.8

-

-

-

1’

130.2

-

-

-

2’

115.8

6,87; 1H; d (1.9)

6.83; 1H; d (1.7)

6.86; 1H; d (1.9)

3’

146.5

-

-

-

4’

147.2

-

-

-

5’

115.8

6.80; 1H; m

6.69; 1H; d (8.2)

6.80; 1H; m

6’

120.4

6.82; 1H; m

6.73; 1H; d 8.2

6.81; 1H; m

1"

101.7

4.07; 1H; s

4.2; 1H; brs

5.08; 1H; s

2"

71.7

3.57; 1H; m

3.38; 1H; brs

4.01; 1H; m

3"

71.6

3.40; 1H; m

3.42; 1H; dd (9.4, 2.9)

3.67 ; 1H; m

4"

73.3

3.22; 1H; t (9,6)

3.13; 1H; t (9.4)

3.31; 1H; t (9.6)

5"

70.1

2.34; 1H;m

3.81; 1H; m

4.16; 1H; m

6"

18.3

0.81; 3H; d (6,3)

1.01; 3H; d (6.3)

1.09; 3H; d (6.0)