The Sonogashira reaction: a booming methodology in synthetic organic chemistry

R Chinchilla, C Nájera - Chemical reviews, 2007 - ACS Publications
The array of transition-metal-catalyzed cross-coupling reactions can easily be considered
nowadays cornerstones in the field of organic synthesis. 1, 2 Among them, the palladium …

Metalated heterocycles and their applications in synthetic organic chemistry

R Chinchilla, C Nájera, M Yus - Chemical reviews, 2004 - ACS Publications
The presence of heterocyclic moieties in all kinds of organic compounds of interest in
biology, pharmacology, optics, electronics, material sciences, and so on is sufficiently known …

The role of 1, 3-dithianes in natural product synthesis

M Yus, C Nájera, F Foubelo - Tetrahedron, 2003 - Elsevier
The normal reactivity of a carbonyl compound (I) is as an a 1-reagent (II) and the temporary
reversal of the characteristic pattern of reactivity of a functional group is described by the …

Organocatalytic tail-to-tail dimerization of olefin: umpolung of methyl methacrylate mediated by N-heterocyclic carbene

S Matsuoka, Y Ota, A Washio, A Katada, K Ichioka… - Organic …, 2011 - ACS Publications
Highly selective tail-to-tail dimerization of methyl methacrylate has been realized by an N-
heterocyclic carbene catalyst, giving dimethyl 2, 5-dimethyl-2-hexenedioate with an E/Z ratio …

Organocatalytic asymmetric vinylogous Michael reactions

Y Yin, Z Jiang - ChemCatChem, 2017 - Wiley Online Library
Since RC Fuson formulated the principle of vinylogy, this platform has been extensively
developed through combining diverse predominant chemical transformations. Among them …

Catalytic Enantioselective γ‐Selective Additions of 2‐Allylazaarenes to Activated Ketones

X Bai, G Zeng, T Shao, Z Jiang - Angewandte Chemie, 2017 - Wiley Online Library
Reported herein is the first example of 2‐allylazaarenes in asymmetric catalysis. Highly γ‐
selective allylation was demonstrated for activated ketones, including isatins and …

Organocatalytic enantioselective vinylogous aldol reaction of allyl aryl ketones to activated acyclic ketones

Z **g, X Bai, W Chen, G Zhang, B Zhu, Z Jiang - Organic letters, 2016 - ACS Publications
The first catalytic asymmetric vinylogous aldol reaction of activated allyls to activated acyclic
ketones is disclosed. A variety of activated acyclic ketones, such as trifluoromethyl ketones …

Bifunctional Thiourea-Catalyzed Asymmetric Inverse-Electron-Demand Diels–Alder Reaction of Allyl Ketones and Vinyl 1, 2-Diketones via Dienolate Intermediate

X Li, X Kong, S Yang, M Meng, X Zhan, M Zeng… - Organic …, 2019 - ACS Publications
Inverse-electron-demand Diels–Alder reactions have attracted intense research focus.
However, enolate and enamine are the most employed intermediates to realize such …

Chiral Spirooxindole–Butenolide Synthesis through Asymmetric N-Heterocyclic Carbene-Catalyzed Formal (3+ 2) Annulation of 3-Bromoenals and Isatins

C Zheng, W Yao, Y Zhang, C Ma - Organic letters, 2014 - ACS Publications
By using an N-heterocyclic carbene catalyst bearing a hydroxyl moiety, the asymmetric
formal (3+ 2) cyclization of aryl 3-bromoenals and isatins was achieved to produce a series …

Divergent NHC-Catalyzed Oxidative Transformations of 3-Bromoenal: Selective Synthesis of 2H-Pyran-2-ones and Chiral Dihydropyranones

G Wang, X Chen, G Miao, W Yao… - The Journal of Organic …, 2013 - ACS Publications
A selective synthesis of either 2 H-pyran-2-ones (4) or chiral dihydropyranones (6) from the
same substrates of 3-bromoenals and 1, 3-dicarbonyl compounds upon oxidative N …