Mapping Out Biogenetic Hypotheses by Chemical Synthesis

Synthesis of natural products via their postulated or established biosynthetic intermediates ('biomimetic synthesis' or 'bio-inspired synthesis') has the power to identify both yet undiscovered intermediates and undiscovered mechanistic pathways for their formation. In t...

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Main Authors: Raphael Liffert, Karl Gademann
Format: Article
Language:deu
Published: Swiss Chemical Society 2017-12-01
Series:CHIMIA
Subjects:
Online Access:https://www.chimia.ch/chimia/article/view/1692
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author Raphael Liffert
Karl Gademann
author_facet Raphael Liffert
Karl Gademann
author_sort Raphael Liffert
collection DOAJ
description Synthesis of natural products via their postulated or established biosynthetic intermediates ('biomimetic synthesis' or 'bio-inspired synthesis') has the power to identify both yet undiscovered intermediates and undiscovered mechanistic pathways for their formation. In this account, we report on our recent studies on unusual hypotheses for biosynthetic transformations, such as a late-stage aldol reaction (periconianone A), benzilic acid rearrangement (taiwaniaquinone H), a redox-neutral light-driven C–H activation (taiwaniaquinol A and cyclocoulterone), a hetero Diels-Alder reaction (obtusinones), aziridinium chemistry (Securinega alkaloids), and a [3+2] nitrone olefin cycloaddition (virosaine A). All these studies provided evidence on the molecular level for the feasibility of these transformations, and suggest that further studies investigating the relevance of these hypotheses in biological systems are warranted.
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spelling doaj.art-4309b5d1497340858a6360e68466bcbb2022-12-21T17:24:43ZdeuSwiss Chemical SocietyCHIMIA0009-42932673-24242017-12-01711210.2533/chimia.2017.841Mapping Out Biogenetic Hypotheses by Chemical SynthesisRaphael Liffert0Karl Gademann1Department of Chemistry University of Zurich Winterthurerstrasse 190, CH-8057 Zurich, SwitzerlandDepartment of Chemistry University of Zurich Winterthurerstrasse 190, CH-8057 Zurich, Switzerland. karl.gademann@uzh.ch Synthesis of natural products via their postulated or established biosynthetic intermediates ('biomimetic synthesis' or 'bio-inspired synthesis') has the power to identify both yet undiscovered intermediates and undiscovered mechanistic pathways for their formation. In this account, we report on our recent studies on unusual hypotheses for biosynthetic transformations, such as a late-stage aldol reaction (periconianone A), benzilic acid rearrangement (taiwaniaquinone H), a redox-neutral light-driven C–H activation (taiwaniaquinol A and cyclocoulterone), a hetero Diels-Alder reaction (obtusinones), aziridinium chemistry (Securinega alkaloids), and a [3+2] nitrone olefin cycloaddition (virosaine A). All these studies provided evidence on the molecular level for the feasibility of these transformations, and suggest that further studies investigating the relevance of these hypotheses in biological systems are warranted. https://www.chimia.ch/chimia/article/view/1692Biomimetic chemistryBiosynthesisNatural productsOrganic synthesis
spellingShingle Raphael Liffert
Karl Gademann
Mapping Out Biogenetic Hypotheses by Chemical Synthesis
CHIMIA
Biomimetic chemistry
Biosynthesis
Natural products
Organic synthesis
title Mapping Out Biogenetic Hypotheses by Chemical Synthesis
title_full Mapping Out Biogenetic Hypotheses by Chemical Synthesis
title_fullStr Mapping Out Biogenetic Hypotheses by Chemical Synthesis
title_full_unstemmed Mapping Out Biogenetic Hypotheses by Chemical Synthesis
title_short Mapping Out Biogenetic Hypotheses by Chemical Synthesis
title_sort mapping out biogenetic hypotheses by chemical synthesis
topic Biomimetic chemistry
Biosynthesis
Natural products
Organic synthesis
url https://www.chimia.ch/chimia/article/view/1692
work_keys_str_mv AT raphaelliffert mappingoutbiogenetichypothesesbychemicalsynthesis
AT karlgademann mappingoutbiogenetichypothesesbychemicalsynthesis