Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Renate Kristianslund"'
Publikováno v:
The Journal of Organic Chemistry. 84:11373-11381
A highly efficient and regioselective bromolactonization protocol is reported. The quantitative formation of synthetically versatile bromolactones occurs in the presence of only 0.1 mol % of an organoselenium compound, coined DECAD herein, within 90
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::357e1a3ae102afaa57b175637e0901ed
https://doi.org/10.1021/acs.joc.9b01294
https://doi.org/10.1021/acs.joc.9b01294
Publikováno v:
Synthetic Communications. 48:2809-2814
Anilines are rapidly, often within 60 minutes, converted into the corresponding phenols in up to 87% isolated yield. The presented experimentally simple protocol display broad compatibility with a variety of functional groups, and in particular, well
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9ef53ae3c8bc268cea9864d952b9c11
https://doi.org/10.1080/00397911.2018.1496263
https://doi.org/10.1080/00397911.2018.1496263
Publikováno v:
Organicbiomolecular chemistry. 17(12)
The halolactonization reaction is a useful chemical transformation for the construction of lactones from γ- or δ-substituted alkenoic carboxylic acids or carboxylic esters. Traditionally, the stereoselectivity of these reactions has been controlled
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fdaf182384e2794049ff33cf9cdf1038
https://pubmed.ncbi.nlm.nih.gov/30806424
https://pubmed.ncbi.nlm.nih.gov/30806424
Publikováno v:
Tetrahedron Letters. 57:5232-5236
An asymmetric iodolactonization reaction of allenoic acids has been extensively studied. Eight different chiral squaramides were prepared in a straightforward manner and investigated as organocatalysts. The reaction protocol is operationally simple t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38d3cf7f161341ac1562cf0c1adfb905
https://doi.org/10.1016/j.tetlet.2016.10.035
https://doi.org/10.1016/j.tetlet.2016.10.035
Publikováno v:
Tetrahedron Letters. 61:151756
Aryl substituted 1,1-disubstituted alkenoic carboxylic acids were subjected to an enantioselective organocatalyzed protocol, yielding the corresponding δ-bromolactones in a regioselective manner. The products were isolated in good to high yields wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d8a7d93ad80349ea87e18456d3c94133
https://doi.org/10.1016/j.tetlet.2020.151756
https://doi.org/10.1016/j.tetlet.2020.151756
Autor:
Marius Aursnes, Jørn Eivind Tungen, Renate Kristianslund, Carl Henrik Görbitz, Trond Vidar Hansen
Publikováno v:
Journal of natural products. 81(4)
The two ar-bisabol sesquiterpenoids (+)-sielboldianin A (1) and (+)-sielboldianin B (2) were isolated from the stem bark of the plant Fraxinus sielboldiana and belong to a medicinally interesting class of natural products used in traditional Chinese
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d52ed5b681c1f0a5c606e04c6c06cacf
https://pubmed.ncbi.nlm.nih.gov/29553260
https://pubmed.ncbi.nlm.nih.gov/29553260