Neisosposinine: A new oxindole alkaloid from neisosperma oppositifolia [Apocynaceae]

Leslie Gunatilaka, H. Chandasiri Fernando, Atta-ur-Rahman, M. Munawer Qureshi, Sinnathamby Balasubramaniam

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A new oxindole alkaloid named neisosposinine was isolated from the stem bark of Neisosperma oppositifolia and its structure was elucidated as (1) with the aid of spectroscopic data. The C-18 methyl epimer of (1), isocarapanaubine (2) was also isolated along with three indole alkaloids, reserpiline (3), isoreserpiline (4) and ochroposinine (5).

Original languageEnglish (US)
Pages (from-to)999-1005
Number of pages7
JournalHeterocycles
Volume28
Issue number2
StatePublished - Jan 1 1989
Externally publishedYes

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Apocynaceae
Indole Alkaloids
Alkaloids
oxindole

ASJC Scopus subject areas

  • Organic Chemistry

Cite this

Gunatilaka, L., Fernando, H. C., Atta-ur-Rahman, Qureshi, M. M., & Balasubramaniam, S. (1989). Neisosposinine: A new oxindole alkaloid from neisosperma oppositifolia [Apocynaceae]. Heterocycles, 28(2), 999-1005.

Neisosposinine : A new oxindole alkaloid from neisosperma oppositifolia [Apocynaceae]. / Gunatilaka, Leslie; Fernando, H. Chandasiri; Atta-ur-Rahman; Qureshi, M. Munawer; Balasubramaniam, Sinnathamby.

In: Heterocycles, Vol. 28, No. 2, 01.01.1989, p. 999-1005.

Research output: Contribution to journalArticle

Gunatilaka, L, Fernando, HC, Atta-ur-Rahman, Qureshi, MM & Balasubramaniam, S 1989, 'Neisosposinine: A new oxindole alkaloid from neisosperma oppositifolia [Apocynaceae]', Heterocycles, vol. 28, no. 2, pp. 999-1005.
Gunatilaka L, Fernando HC, Atta-ur-Rahman, Qureshi MM, Balasubramaniam S. Neisosposinine: A new oxindole alkaloid from neisosperma oppositifolia [Apocynaceae]. Heterocycles. 1989 Jan 1;28(2):999-1005.
Gunatilaka, Leslie ; Fernando, H. Chandasiri ; Atta-ur-Rahman ; Qureshi, M. Munawer ; Balasubramaniam, Sinnathamby. / Neisosposinine : A new oxindole alkaloid from neisosperma oppositifolia [Apocynaceae]. In: Heterocycles. 1989 ; Vol. 28, No. 2. pp. 999-1005.
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