Results 121 to 130 of about 2,093,219 (268)

The Cyano‐Diels–Alder Reaction: From Nitrile Activation to Functional Molecular Architectures

European Journal of Organic Chemistry, EarlyView.
This Concept Article presents the evolution of the cyano‐Diels–Alder reaction from its early examples to its current development as a valuable synthetic tool for the preparation of N‐heterocycles, fused polycycles and functional chromophores, tracing the key breakthroughs that have transformed this underexplored transformation into a relevant platform ...
Giovanni Bottari
wiley   +1 more source

Diels-Alder reactions for carbon material synthesis and surface functionalization

, 2013
To meet the ever growing demand for carbon nanomaterials with tailored properties, Diels-Alder reactions are emerging as an efficient alternative to other synthetic methods.
Zydziak, N., Yameen, B., Barner-Kowollik, C.   +2 more
core   +1 more source

The Expanding Role of Diazirines in Synthetic Methodology

European Journal of Organic Chemistry, EarlyView.
Beyond their established role in photoaffinity labeling, diazirines have emerged as versatile reagents in synthetic chemistry. This review highlights their dual reactivity as carbene and nitrogen‐transfer precursors, showcasing mechanistic insights and diverse applications in cyclopropanations, cycloadditions, skeletal editing, amination, heterocycle ...
Viktor Savic, Dominik Schnalzer, Marko D. Mihovilovic, Michael Schnürch   +3 more
wiley   +1 more source

Nucleophilic Reactions of Cyclobutenones and the Related 4,4‐Dichlorocyclobutenone Derivatives

European Journal of Organic Chemistry, EarlyView.
Cyclobutenone derivates and their 4,4‐dichloro counterparts have an uninterrupted attention as useful synthons in the synthesis of complex organic molecules. Their nucleophilic reactions remain underexplored. This review brings attention to these reactions, whose outcome is not straightforward.
Sarah J. Wright, Muhluri H. Mthombeni, Songeziwe Ntsimango   +2 more
wiley   +1 more source

Progress in Lewis-Acid-Templated Diels–Alder Reactions

Molecules
The synthesis of natural products with complicated architectures often requires the use of segments with functional groups that can be structurally transformed with the desired stereogenic centers.
Jun Ishihara
doaj   +1 more source

Catalytic enantioselective synthesis of 2,6-disubstituted dihydropyrones by hetero-Diels-Alder reaction using chiral BINOL-Ti(IV) complex

, 2002
Highly efficient enantioselective synthesis of optically active 2,6-disubstituted dihydropyrones was easily available by hetero-Diels-Alder reaction of aldehydes in presence of 20 mol% (R)-(+)-BINOL-Ti(IV) complex under mild reaction conditions.
Jiang, YZ, Huang, YZ, Wang, B, Feng, XM, Sichuan Univ, Fac Chem, Sichuan Key LGreen Chem & Technol, Chengdu 610064, Peoples R China., Feng, XM, Zhang, GL   +5 more
core  

Computational analysis of the enantioselectivity of diels-alder reactions involving chiral cationic oxazaborolidinium catalyst / Nasr Y.M. Omar [PDF]

, 2011
This thesis is divided into six chapters. In the first chapter, the results of standard high-performance computing (HPC) benchmarks are presented in order to assess the performance characteristics of the various hardware and software components of an ...
Nasr, Y. M. O.
core  

Molybdooxaziridine Catalysis: Synthesis of α‐Hydroxysulfones From Styrenes Through an ATRA Process

European Journal of Organic Chemistry, EarlyView.
This work has discovered that molybdooxaziridine catalysts promote the hydroxysulfonation of substituted α‐methyl‐styrenes using N‐Ts‐hydroxylamine as the nitrogen source. An atom‐transfer‐radical‐addition mechanism involving the stepwise addition of Ts and hydroxy radicals takes place.
Alyssa N. Singer, Gustavo Moura‐Letts
wiley   +1 more source

Recent advances in multifunctional soft robots: A materials–structures–systems co‐design perspective for synergistic integration

FlexMat, EarlyView.
Abstract Soft robots, engineered from highly compliant materials, offer superior adaptability and safety in unstructured environments compared to their rigid counterparts. Recent advancements, fueled by bio‐inspiration and material programmability, have led to the rapid co‐evolution of their core modules: actuation, sensing, protection, energy, and ...
Qiulei Liu, Zicao Peng, Chong Sun, Haitao Yang   +3 more
wiley   +1 more source

Enantio- and periselective nitroalkene Diels-Alder reaction

, 2012
The periselective Diels-Alder reaction of 5-substituted pentamethylcyclopentadienes and nitroethylene has been realized by helical-chiral hydrogen bond donor catalysts.
Takenaka, Norito, Narcis, Maurice J, Captain, Burjor, Sprague, Daniel J   +3 more
core   +1 more source