Chemistry and biology of mycotoxins and related fungal metabolites

S Bräse, A Encinas, J Keck, CF Nising - Chemical reviews, 2009 - ACS Publications
Nature produces a variety of different species, prokaryotes and eukaryotes. Among them,
fungi play a very important, but yet mostly unexplored role. Their widespread occurrence on …

Pd-Catalyzed asymmetric decarboxylative cycloaddition of vinylethylene carbonates with 3-cyanochromones

I Khan, C Zhao, YJ Zhang - Chemical Communications, 2018 - pubs.rsc.org
An efficient method for the construction of furanobenzodihydropyran skeletons has been
developed through Pd-catalyzed asymmetric decarboxylative cycloaddition of vinylethylene …

Total synthesis of xyloketals and related natural product alboatrin: strategies and tactics

B Panda - ChemistrySelect, 2019 - Wiley Online Library
Abstract Molecular Architectures: Xyloketals are an interesting class of natural products
showing various potent and notable bioactivities like acetylcholine esterase inhibition …

Palladium‐Catalyzed Allylic Cycloaddition of Vinylethylene Carbonates with 3‐Nitrochromone

C Zhao, BH Shah, H Li, X Wu… - Asian Journal of Organic …, 2021 - Wiley Online Library
An efficient method for the enantio‐and diastereoselective formation of furanochromanones
has been developed via Pd‐catalyzed asymmetric allylic cycloaddition of vinylethylene …

Gold catalysis: regio-and stereoselective total synthesis of xyloketals D and G and the related natural product alboatrin

B Panda, TK Sarkar - The Journal of Organic Chemistry, 2013 - ACS Publications
A new and efficient one-pot desilylation–gold-catalyzed cycloisomerization of alkynes
containing a silyl-protected phenolic− OH and a free alcoholic− OH unit leads selectively to …

Synthesis of Furo[2,3-b]pyran-2-ones through Ag(I)- or Ag(I)–Au(I)-Catalyzed Cascade Annulation of Alkynols and α-Ketoesters

SS Thorat, P Kataria, R Kontham - Organic letters, 2018 - ACS Publications
Ag (I)-or Ag (I)–Au (I)-catalyzed cascade annulation of alkynols (5-hexyn-1-ol systems) with
α-ketoesters involving a dual activation process (π and σ) has been developed for the first …

Substrate-controlled, one-pot synthesis: access to chiral chroman-2-one and polycyclic derivatives

XL Sun, YH Chen, DY Zhu, Y Zhang, YK Liu - Organic letters, 2016 - ACS Publications
Based on the appropriate choice of electrophiles, one-pot, multicomponent, enantioselective
domino reactions have been realized which contain a five-step sequence and provide highly …

Asymmetric Organocatalytic Synthesis of Benzopyran‐and Benzofuran‐Fused Polycyclic Acetals

J Yang, G Qiu, J Jiang, Y Hu, S Chen… - Advanced Synthesis …, 2017 - Wiley Online Library
An efficient organocatalytic method for the asymmetric preparation of benzopyran‐and
benzofuran‐fused polycyclic acetals is described for the first time. This useful approach …

Control of the Organocatalytic Enantioselective α-Alkylation of Vinylogous Carbonyl Enolates for the Synthesis of Tetrahydropyran Derivatives and Beyond

PS Akula, YJ Wang, BC Hong, GH Lee… - Organic Letters, 2021 - ACS Publications
The organocatalytic α-alkylation of vinylogous carbonyl compounds to hydroxynitroolefins
for the synthesis of hemiacetals was realized with excellent enantioselectivities and in high …

Afritoxinones A and B, dihydrofuropyran-2-ones produced by Diplodia africana the causal agent of branch dieback on Juniperus phoenicea

A Evidente, M Masi, BT Linaldeddu, A Franceschini… - Phytochemistry, 2012 - Elsevier
Two phytotoxic dihydrofuropyran-2-ones, named afritoxinones A and B, were isolated from
liquid culture of Diplodia africana, a fungal pathogen responsible for branch dieback of …