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Table 1 1H and 13C NMR spectroscopic data for 1and 2

From: Anti-cancer activity of new benzyl isoquinoline alkaloid from Saudi plant Annona squamosa

No.

1a

2b

δC type

δH mult. (J)

δC type

δH mult. (J)

1

77.230

5.610 br s

55.157

4.427 m

3

d

3.00–4.00 m

38.95

3.35, 3.25 c

4

29.715

3.00-4.00 m

24.88

2.962, 2.858 m

4a

d

122.72

5

111.109

6.849 s

115.35

6.727 s

6

147.196

147.05

7

149.079

144.81

8

110.966

6.649 s

11.85

6.563 s

8a

d

124.72

α

d

38.79

3.152,3.025dd

(18,8)

1

 

126.31

2

131.342

7.028 d (10.5)

130.566

7.132 d (10)

3

114.072

6.838 d (10.5)

111.813

6.786 d (10)

4

158.906

156.33

5

114.072

6.838 d (10.5)

111.813

6.786 d (10)

6

131.342

7.028 d (10.5)

130.566

7.132 d (10)

6-OCH3

55.455

3.884 s

55.526

3.752 s

7-OCH3

55.326

3.798 s

4-OCH3

55.906

3.468 s

N-CH3

40.046

2.885 s

  1. a Data were recorded in CDCl3 500 MHz (1H) and 75 MHz (13C)
  2. b Data were recorded in DMSO-d6 at 500 MHz (1H) and 75 MHz (13C)
  3. c Overlapped
  4. d Not detected but appears in HMBC