Results 241 to 250 of about 834,274 (293)
Ambiphilic Ligand Stabilization of Aluminum(I) Fragments: Halides, Cations, and a Hydride
Angewandte Chemie, EarlyView.Stabilization of elusive aluminum(I) halides in the framework of an ambiphilic ligand is reported. The unique bonding situation at the trigonal‐bipyramidal aluminum center is analyzed, and the coordination chemistry and Al(I)Br transfer reactivity of the complexes are presented.
Charlotte S. V. Weiß +1 more
wiley +1 more source
Flavin Catalysts in Organic Synthesis
Angewandte Chemie, EarlyView.Flavins and their congeners are potent catalysts for organic synthesis inspired by enzymatic transformations. In addition to catalysis in the flavin ground state via covalent intermediates, the excited singlet and triplet states unlock applications including photooxidation, photoreduction, and energy transfer via sensitization.
Jan Freudenberg, Golo Storch
wiley +1 more source
Angewandte Chemie, EarlyView.We demonstrate the facile aromatic C─C bond cleavage of cyclopentadienide mediated by transient imino(metallophosphino)silylenes, enabling the transformation of an aromatic system into a homoaromatic species. The steric bulk of the phosphino substituent, together with the weak interaction between the coinage metal and the cyclopentadienide ligand, are ...
Huaiyuan Zhu +4 more
wiley +1 more source
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Nickel-Catalyzed Coupling of Arynes, Alkenes, and Boronic Acids: Dual Role of the Boronic Acid
Angewandte Chemie - International Edition, 2007AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Chien-Hong Cheng
exaly +3 more sources
Organic Boronic Acids and Boronic Acid Esters in Industrial Synthesis
ChemInform, 2004AbstractFor Abstract see ChemInform Abstract in Full Text.
Roland Zenk, Steffen Partzsch
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Swapping boron acids for carbon acids
Science, 2017Organic Chemistry Carbon-bound boronic acids and their esters are widely used as coupling partners to make carbon-carbon bonds. More recently, these chemicals have garnered pharmaceutical interest in their own right. Li et al. report a versatile nickel-catalyzed process to replace carboxylic acids with boronate esters by using a phthalimide activator ...
openaire +2 more sources
Boronic Acid Pairs for Sequential Bioconjugation
Organic Letters, 2021Boronic acids can play diverse roles when applied in biological environments, and employing boronic acid structures in tandem could provide new tools for multifunctional probes. This Letter describes a pair of boronic acid functional groups, 2-nitro-arylboronic acid (NAB) and (E)-alkenylboronic acid (EAB), that enable sequential cross-coupling through ...
Mary K. Miller +3 more
openaire +2 more sources
2005
Preface. List of Authors. List of Abbreviations. 1 Structure, Properties, and Preparation Of Boronic Acid Derivatives. Overview of Their Reactions and Applications (D. G. Hall). 1.1 Introduction. 1.2 Structure and Properties of Boronic Acid Derivatives. 1.3 Synthesis of Boronic Acids and their Esters. 1.4 Isolation and Characterization. 1.5 Overview of
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Preface. List of Authors. List of Abbreviations. 1 Structure, Properties, and Preparation Of Boronic Acid Derivatives. Overview of Their Reactions and Applications (D. G. Hall). 1.1 Introduction. 1.2 Structure and Properties of Boronic Acid Derivatives. 1.3 Synthesis of Boronic Acids and their Esters. 1.4 Isolation and Characterization. 1.5 Overview of
openaire +1 more source
2011
Introduction: Properties, Preparation, Overview of Application Metal-Catalyzed Borylation of C-X and C-H Bonds for the Synthesis of Boronic Esters Transition-Metal Catalyzed Sila- and Diborylation of Alkenes, Allenes, and Alkynes The Contemporary Suzuki-Miyaura Reaction Rhodium and Palladium-Catalyzed Asymmetric Conjugate Additions of Organoboronic ...
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Introduction: Properties, Preparation, Overview of Application Metal-Catalyzed Borylation of C-X and C-H Bonds for the Synthesis of Boronic Esters Transition-Metal Catalyzed Sila- and Diborylation of Alkenes, Allenes, and Alkynes The Contemporary Suzuki-Miyaura Reaction Rhodium and Palladium-Catalyzed Asymmetric Conjugate Additions of Organoboronic ...
openaire +1 more source
Deprotection of Pinacolyl Boronate Esters by Transesterification with Polystyrene—Boronic Acid.
ChemInform, 2004AbstractFor Abstract see ChemInform Abstract in Full Text.
Thomas E. Pennington +2 more
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