Raddeanone

Reference work entry

CAS Registry Number: 59654-08-9 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Alkaloids – Isoquinoline Alkaloids

Biological sources: Corydalis ledebouriana

C21H21NO6: 383.1369

Mp: 168–170°C

UV: 238, 289, 313 [2]

IR: 3570, 1720 [2]

MSm/z: 383(M+), 368, 338, 220, 206, 191.5(++)

1H NMR: 2.31(3H, s, NCH3), 3.45, 3.77(each 3H, s, 2 × OCH3), 5.55(1H, s), 6.18(2H, s, CH2O2), 6.03, 6.66(each 1H, s, p–H–Ar), 7.01, 7.53(each 1H, d, J = 8, o–H–Ar) [1, 2]

13 C NMR: [ 3]

Table 1

C-1

110.7

C-8

70.1

C-13

201.7

2

147.2

8a

132.9

14

76.9

3

148.9

9

145.0

14a

129.7

4

112.5

10

154.5

NCH3

39.6

4a

124.0

11

110.4

9,10-OCH2O

103.1

5

28.5

12

119.5

2-OCH3

56.1

6

48.9

12a

132.5

3-OCH3

56.0

References

  1. 1.
    I.A. Israilov, M.S. Yunusov, S.Yu. Yunusov, Chem. Nat. Comp 11, 284 (1975). 13, 366 (1977)Google Scholar
  2. 2.
    T. Kametani, M. Takemura, M. Ihara, K. Fukumoto, J. Chem. Soc. Perkin. Trans. I 390 (1977)Google Scholar
  3. 3.
    D.W. Hughes, B.C. Nalliah, H.L. Holland, D.B. McLean, Can. J. Chem. 55, 3304 (1977)Google Scholar

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© Springer Science+Business Media New York 2013

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