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

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

doi:10.3987/com-88-s119

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

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

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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 language	English (US)
Pages (from-to)	999-1005
Number of pages	7
Journal	Heterocycles
Volume	28
Issue number	2
DOIs	https://doi.org/10.3987/com-88-s119
State	Published - Jan 1 1989
Externally published	Yes

ASJC Scopus subject areas

Analytical Chemistry
Pharmacology
Organic Chemistry

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title = "Neisosposinine: A new oxindole alkaloid from neisosperma oppositifolia [Apocynaceae]",

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).",

author = "Gunatilaka, {A. A.Leslie} and Fernando, {H. Chandasiri} and Atta-ur-Rahman and Qureshi, {M. Munawer} and Sinnathamby Balasubramaniam",

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AU - Gunatilaka, A. A.Leslie

AU - Fernando, H. Chandasiri

AU - Atta-ur-Rahman,

AU - Qureshi, M. Munawer

AU - Balasubramaniam, Sinnathamby

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N2 - 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).

AB - 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).

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ER -

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

Abstract

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