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Preskimmianine

Reference work entry

CAS Registry Number: 38695-41-9 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Alkaloids – Quinoline Alkaloids

Biological sources: Dictamnus angustifolius

C17H21NO4: 303.1471

Mp: 154–155°C (Me2CO), 81°C (N-Me) [1]

UV: 219, 232 sh, 250, 258, 310 sh, 322, 335 (4.53, 4.31. 4.07, 4.08, 3.82, 3.98, 3.83) [1]

IR: 3160–3100, 1635, 1600, 1580, 1515, 1450 [2]

MSm/z: 303(M+, 100), 288(99), 272(20), 260(78), 258(26), 248(52), 234(38) [1]

1H NMR: 1.65, 1.75(each 3H, s, 2 × CH3), 3.31(2H, d, J = 6.5, H-9), 3.85, 3.88(3H, 6H, 3 × OCH3), 5.25(1H, t, J = 6.5, H-10), 6.77. 7.40(each 1H, J = 9, H-6, H-5) [1]

13 C NMR: [ 3]

Table 1

C-2

164.4

C-7

C-12

18.0

 3

120.8

 8

 13

25.7

 4

162.0

 9

23.5

OCH3

61.7

 4a

112.2

 10

121.8

 

61.0

 5

118.5

 11

132.3

 

56.3

 6

107.6

       

References

  1. 1.
    V.I. Akhmedzhanova, I.A. Bessonova, S.Yu. Yunusov, Chem. Nat. Comp. 14, 404 (1978)Google Scholar
  2. 2.
    R. Shakirov, M.V. Telezhenetskaya, I.A. Bessonova, S.F. Aripova, I.A. Israilov, M.N. Sultankhodzhaev, V.I. Vinogradova, V.I. Akhmedzhanova, T.S. Tulyaganov, B.T. Salimov, V.A. Tel’nov, Chem. Nat. Comp. 32, 737 (1996)Google Scholar
  3. 3.
    N.M.D. Brown, M.F. Grundon, D.M. Harrison, S.A. Surgenor, Tetrahedron 36, 3579 (1980)Google Scholar

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