discorhabdin A [prianosin A] (0.33Hz/5)


FRACTIONS (DFT-based): 0.362 0.638 : discorhabdinA_1.log discorhabdinA_2.log (major structure is shown)
Rel. DFT Energies (kcal/mol): 0.337 0.000
Gaussian numbering
1H-1H Js
 -ppm- -#-   H26   H27   H28   H29   H30   H31   H32   H33   H34   H35   H36   H37   H38   H39   
  2.73 H26
  2.96 H27 -12.1
  5.03 H28   1.2   3.9
  5.59 H29    -    0.9   1.6
  2.86 H30    -     -     -     - 
  2.81 H31    -     -     -     -  -15.7
  4.18 H32    -     -     -     -   10.4   8.1
  4.48 H33    -     -     -     -    8.0   6.3 -19.1
  7.58 H34    -     -     -     -     -     -     -     - 
  6.57 H35    -     -     -     -   -1.0  -0.6    -     -    0.9
  7.31 H36    -     -     -     -     -     -     -     -     -     - 
  2.76 H37    -     -     -     -     -     -     -     -     -     -     - 
  2.96 H38    -     -     -     -     -     -     -     -     -     -     -  -16.8
  4.56 H39   0.9    -     -     -     -     -     -     -     -     -     -    6.7  12.9

13C-1H Js
 -ppm- -#-   H26   H27   H28   H29   H30   H31   H32   H33   H34   H35   H36   H37   H38   H39   
122.53 C1     -     -     -     -   -0.7    -     -     -     -    6.1    -     -     -     - 
120.03 C2     -     -     -     -    3.4   3.9  -1.8  -1.4    -    8.2    -     -     -     - 
154.95 C3     -    0.7    -     -   -0.8  -0.7   7.2   7.2    -     -     -     -     -     - 
118.00 C4    2.0   7.4    -     -     -     -   -4.0  -3.0    -     -    2.7    -     -    3.5
142.63 C5     -     -    5.7    -     -     -    2.5   2.0    -    0.6    -     -     -     - 
168.18 C6     -     -     -     -     -     -     -     -     -    0.7    -     -     -     - 
 51.52 C7   -2.2  -3.5   6.4    -     -     -     -     -     -     -    1.4   7.5   1.3  -3.3
 40.42 C8  136.3 138.3  -2.4    -     -     -     -     -     -     -    1.6    -     -    5.1
 61.15 C9   -2.7  -2.7 162.6    -     -     -     -     -     -     -     -     -     -    2.5
119.17 C11    -     -     -     -   -6.8  -6.6   4.7   6.4    -    8.7    -     -     -     - 
 19.00 C12    -     -     -     -  131.5 132.5  -3.2  -2.3    -    1.0    -     -     -     - 
 50.98 C13    -     -     -     -   -4.0  -3.4 139.5 142.9    -     -     -     -     -     - 
121.50 C16    -     -     -     -    3.5   3.4    -     -     -  187.3    -     -     -     - 
158.02 C18   1.5   1.9    -     -     -     -     -     -     -     -  169.5    -     -    0.8
117.90 C19    -     -     -     -     -     -     -     -     -     -   -6.1   3.5   0.7    - 
185.62 C20    -     -     -     -     -     -     -     -     -     -    8.0  -5.8  -6.4   0.8
 47.14 C21    -     -     -     -     -     -     -     -     -     -     -  138.9 127.8  -1.4
 57.79 C22   9.4   2.6   4.2    -     -     -   -0.8  -0.6    -     -    8.0  -3.5  -6.0 149.6
 -ppm- -#-   H26   H27   H28   H29   H30   H31   H32   H33   H34   H35   H36   H37   H38   H39   
1H data (JH-H abs sorted)

7.58 (0.9)
7.31
6.57 (1.0, 0.9, 0.6)
5.59 (1.6, 0.9)
5.03 (3.9, 1.6, 1.2)
4.56 (12.9, 6.7, 0.9)
4.48 (19.1, 8.0, 6.3)
4.18 (19.1, 10.4, 8.1)
2.96 (12.1, 3.9, 0.9)
2.96 (16.8, 12.9)
2.86 (15.7, 10.4, 8.0, 1.0)
2.81 (15.7, 8.1, 6.3, 0.6)
2.76 (16.8, 6.7)
2.73 (12.1, 1.2, 0.9)
13C data
 20 185.6 (8.0, -6.4, -5.8, 0.8)
  6 168.2 (0.7)
 18 158.0 (169.5, 1.9, 1.5, 0.8)
  3 154.9 (7.2, 7.2, -0.8, 0.7)
  5 142.6 (5.7, 2.5, 2.0, 0.6)
  1 122.5 (6.1, -0.7)
 16 121.5 (187.3, 3.5, 3.4)
  2 120.0 (8.2, 3.9, 3.4, -1.8)
 11 119.2 (8.7, -6.8, -6.6, 6.4)
  4 118.0 (7.4, -4.0, 3.5, -3.0)
 19 117.9 (-6.1, 3.5, 0.7)
  9  61.2 (162.6, -2.7, -2.7, 2.5)
 22  57.8 (149.6, 9.4, 8.0, -6.0)
  7  51.5 (7.5, 6.4, -3.5, -3.3)
 13  51.0 (142.9, 139.5, -4.0, -3.4)
 21  47.1 (138.9, 127.8, -1.4)
  8  40.4 (138.3, 136.3, 5.1, -2.4)
 12  19.0 (132.5, 131.5, -3.2, -2.3)

[ Notes ]
  • a few 13C peaks are possibly misassigned in the paper:
    • C4 (50.4) <=> C17 (45)
    • C10 (153.8) <=> C19 (141.7)