1a

(CD₃OD, 150 MHz)

1b

(CD₃OD, 150 MHz)

1c

(DMSO-d₆, 150 MHz )

1

(DMSO-d₆, 125 MHz)

Positions

δ ¹³C

δ ¹³C

δ ¹³C

δ ¹³C

2

154.5

155.2

155.6

154.9

3

123.4

124.0

122.8

122.2

4

181.5

182.2

180.9

180.4

5

169.3

161.4

162.0

161.6

6

100.7

128.9

99.8

99.6

7

171.4

161.4

162.4

163.1

8

125.6

96.0

95.2

94.6

9

161.6

156.4

157.6

157.2

10

108.2

104.1

107.2

106.1

1'

123.6

124.3

123.8

122.7

2'/6'

131.4

131.3

130.7

130.2

3'/5'

114.9

114.9

114.2

113.8

4'

167.6

159.3

159.7

159.2

-OCH₃

55.8

55.7

55.7

55.2

1''

-

-

96.6

99.8

2''

-

-

70.9

73.1

3''

-

-

72.3

77.2

4''

-

-

68.3

69.6

5''

-

-

71.6

76.4

6''

-

-

62.1

60.6

2''-OAc

-

-

169.6

-

20.9

3''-OAc

-

-

170.1

-

20.8

4''-OAc

-

-

169.8

-

20.9

6''-OAc

-

-

170.5

-

20.8