Journal ArticleDOI
Base catalysed deacylative dimerisation of 3-acetylchromenone: a facile Diels–Alder reaction
Reads0
Chats0
TLDR
This paper showed that the key step in the title reaction id the Diels-Alder addition of 3-acetylchromenone (1) to its acyl-acyl rearranged isomer (9′a) is supported by the formation of 2-salicyloylxanthone (5) from the reaction of (9) with any of the chromenones (1)—(4)Abstract:
That the key step in the title reaction id the Diels–Alder addition of 3-acetylchromenone (1) to its acyl–acyl rearranged isomer (9′a) is supported by the formation of 2-salicyloylxanthone (5) from the reaction of (9) with any of the chromenones (1)—(4)read more
Citations
More filters
Journal ArticleDOI
Chemistry and application of 4-oxo-4H-1-benzopyran-3-carboxaldehyde
TL;DR: The chemistry and application of the title aldehyde and some simple derivatives thereof are reviewed in this paper, where the authors propose a simple derivative of the aldehydes, which they call simple aldeheeds.
Journal ArticleDOI
The total synthesis of (±)-arisugacin A
Richard P. Hsung,Kevin P. Cole,Luke R. Zehnder,Jiashi Wang,Lin-Li Wei,Xiao-Fang Yang,Heather A. Coverdale +6 more
TL;DR: A 20-step total synthesis of arisugacin A with an overall yield of 2.1% is described in detail in this paper, which features a formal [3+3] cycloaddition reaction of α,β-unsaturated iminium salts with 6-aryl-4-hydroxy-2-pyrones through a highly stereoselective 6π-electron electrocyclic ring closure of 1-oxatriene.
Book ChapterDOI
Cycloadditions and reactions of oxa-aromatics with nucleophiles
Katsuo Ohkata,Kin-ya Akiba +1 more
Journal ArticleDOI
Base-Promoted Denitrogenative/Deoxygenative/Deformylative Benzannulation of N-Tosylhydrazones with 3-Formylchromones for Diverse and Polyfunctionalized Xanthones.
Rajeev Shrestha,Yong Rok Lee +1 more
TL;DR: A simple and efficient base-promoted denitrogenative/ deoxygenative/deformylative benzannulation is developed for the construction of biologically interesting polyfunctionalized xanthones starting from N-tosylhydrazones and two molecules of 3-formylchromones.
Journal ArticleDOI
Expedited Access to Vinaxanthone and Chemically Edited Derivatives Possessing Neuronal Regenerative Effects through Ynone Coupling Reactions
Matthew R. Chin,Matthew R. Chin,Katherine Zlotkowski,Katherine Zlotkowski,Michelle Han,Saagar Patel,Anders M. Eliasen,Anders M. Eliasen,Abram Axelrod,Dionicio Siegel,Dionicio Siegel +10 more
TL;DR: This precise microsurgery using Caenorhabditis elegans allows a new in vivo approach for medicinal chemistry based optimization of neuronal growth promoting compounds.