Bracteoline

Reference work entry

CAS Registry Number: 25651-04-1 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Alkaloids – Isoquinoline Alkaloids – Aporphine Alkaloids

Biological sources: Corydalis gortschakovii, Papaver bracteatum, P. orientale, P. pseudo-orientale

C19H21NO4: 327.1471

Mp: 218–221°C (EtOH) [1]

[α]D +36° (CHCl3) [1]

UV: 223, 282, 310 [1]

MSm/z: 327(M+), 326, 312, 284 [1]

1H NMR: 2.50(3H, s, NCH3), 3.70(6H, s, 2×OCH3), 6.40, 6.65, 7.90(each 1H, s, H–Ar) [1]

13 C NMR(DMSO-d 6): [ 2]

Table 1

C-1

140.8

C-5

52.8

C-10

143.8

1a

119.4

6a

62.4

11

111.3

1b

122.7

7

33.9

11a

124.7

2

146.2

7a

126.9

NCH3

43.6

3

109.2

8

116.0

2-OCH3

55.6

3a

126.9

9

145.7

9-OCH3

55.3

4

28.4

       

References

  1. 1.
    I.A. Israilov, M.U. Ibragimova, M.S. Yunusov, S.Yu. Yunusov, Chem. Nat. Comp. 11, 642 (1975)Google Scholar
  2. 2.
    H. Guinaudeau, M. Leboeuf, A. Cave, J. Nat. Prod. 42, 325 (1979)Google Scholar
  3. 3.
    H. Hara, O. Hoshino, B. Umezawa, Chem. Pharm. Bull. 24, 1921 (1976)Google Scholar

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© Springer Science+Business Media New York 2013

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