Výsledky vyhledávání - "Dendrobate alkaloid 241D"

Enantiodivergency and Enantioconvergency in the Synthesis of the Dendrobate Alkaloid 241D

Autor: Nemai Saha, Shital K. Chattopadhyay

Publikováno v: The Journal of Organic Chemistry. 77:11056-11063

A diastereodivergent preparation of two N-alkenylnitrones (9 and 11) from easily available (R)-2,3-O-cyclohexylideneglyceraldehyde (5) led to an enantiodivergent synthesis of both enantiomers of the dendrobate alkaloid 241D in a sequential two-direct

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc7bdd7fc183d4face0c5a90a2117aab
https://doi.org/10.1021/jo3019329

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Enzymatic Route to Chiral, Nonracemic cis-2,6- and cis,cis-2,4,6-Substituted Piperidines. Synthesis of (+)-Dihydropinidine and Dendrobate Alkaloid (+)-241D

Autor: Robert Chênevert, Michael Dickman

Publikováno v: The Journal of Organic Chemistry. 61:3332-3341

Piperidine-based compounds are an important class of natural alkaloids found in plants, insects, and amphibians. A general asymmetric synthesis of 2-alkyl-6-methylpiperidines is presented via the enzymatic desymmetrization of meso cis-2,6- and cis,ci

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::23ed038e89ec47622138df5864761845
https://doi.org/10.1021/jo9519569

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Total synthesis of dendrobate alkaloid (+)-241D, isosolenopsin and isosolenopsin A: application of a gold-catalyzed cyclization

Autor: Myriam Le Roch, Michèle David, Nicolas Gouault, Gisele de Campos Pinto

Publikováno v: Organic and Biomolecular Chemistry
Organic and Biomolecular Chemistry, Royal Society of Chemistry, 2012, 10 (29), pp.5541-6. ⟨10.1039/c2ob25685a⟩
Organic & Biomolecular Chemistry
Organic & Biomolecular Chemistry, 2012, 10 (29), pp.5541-6. ⟨10.1039/c2ob25685a⟩

International audience; A new approach to total syntheses of piperidine alkaloids (+)-241D, isosolenopsin and isosolenopsin A has been developed from D-alanine. The key step to access the chiral pyridinone intermediate was achieved via a gold mediate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe32e705cdc442e7f50f549ab75fe216
https://hal.archives-ouvertes.fr/hal-00841675

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Intramolecular Mannich Reaction in the Asymmetric Synthesis of Polysubstituted Piperidines: Concise Synthesis of the Dendrobate Alkaloid (+)-241D and Its C-4 Epimer

Autor: Franklin A. Davis, Ashwin Rao, Bin Chao

Publikováno v: Organic Letters. 3:3169-3171

[reaction: see text] The intramolecular Mannich reaction of delta-amino beta-keto esters with aldehydes and ketones is a new methodology for the synthesis of polysubstituted piperidines and is illustrated by the concise asymmetric synthesis of the de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3327f7c82e2f29b5ef24d6d9ecaaf3f9
https://doi.org/10.1021/ol0164839

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A Simple and Stereospecfic Route to 2,6-Disubstituted 4-Hydroxypiperidines. Synthesis of Dendrobate Alkaloid (+)-241D and Formal Synthesis of (−)-Indolizidine 167B

Autor: Haiying Sun, Dawei Ma

Publikováno v: Organic Letters. 2:2503-2505

The condensation of enantiopure beta-amino esters with beta-ketoesters followed by cyclization and decarboxylation afforded 2,3-dihydro-4-pyridones 3, which were selectively hydrogenated to provide 2,6-disubstituted 4-hydroxypiperdines.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::25f12aa8536e53c13b1f1a929af0bd66
https://doi.org/10.1021/ol006176n

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