File:Biosynthesis of necines.svg

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English: Biosnythesis of some necines (pyrrolizidine alkaloids) from putrescin (1) with the key enzyme homospermidine synthetase (HSS). homospermidine (2); iminium ion (3a, 3b); trachelanthamidine (4); isoretronecanole (5); (-)-rosmarinecine (6); retronecine (7); otonecine (8); (+)-heliotridine (9).
Deutsch: Biosynthese einiger Necine (Pyrrolizidinalkaloide) aus Putrescin (1) mit Hilfe des Schlüsselenzyms Homospermidin-Synthetase (HSS). Homospermidin (2); das Iminiumion (3a, 3b); Trachelanthamidin (4); Isoretronecanol (5); (-)-Rosmarinecin (6); Retronecin (7); Otonecin (8); (+)-Heliotridin (9).
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Source Own work; Current Organic Chemistry 1999 3(6) page 561 + PMID 7700976
Author Yikrazuul (talk)


Public domain This image of a simple structural formula is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.

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current15:28, 28 April 2017Thumbnail for version as of 15:28, 28 April 2017512 × 279 (56 KB)Marlus Gancher (talk | contribs)removed CH_2-group of formula 3b (de:Diskussion:Pyrrolizidinalkaloide)
19:15, 8 October 2014Thumbnail for version as of 19:15, 8 October 2014512 × 279 (40 KB)Yikrazuul (talk | contribs){{Information |Description={{en|Biosnythesis of some necines from putrescin (1). homospermidine (2); iminium ion (3a, 3b); trachelanthamidine (4); isoretronecanole (5); (-)-rosmarinecine (6); '''retronecine''' (7); otonecine (8); (+)-heliotridine (9).}...

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