Results 151 to 160 of about 140,419 (292)
Kinetics of 2+2 cycloadditions of diphenylketene to enol ethers; The structure of the orientation complexes [PDF]
, 1975 Rolf Huisgen, Herbert Mayr
openalex +1 more source
Angewandte Chemie, EarlyView.Pyrazolyl phosphine oxides are shown to act as dual‐responsive fluorescent sensors, displaying a selective “turn‐off” fluorescence response for Fe3+ and a “turn‐on” response for Al3+. These systems serve as a new framework in the field of sensing materials based on main‐group elements such as phosphorus. Abstract Despite a wealth of previously reported
Ethan D. E. Calder +2 more
wiley +2 more sources
Catalytic enantioselective synthesis of quaternary carbon stereocentres. [PDF]
, 2014 Quaternary carbon stereocentres-carbon atoms to which four distinct carbon substituents are attached-are common features of molecules found in nature. However, before recent advances in chemical catalysis, there were few methods of constructing single ...
Overman, Larry E, Quasdorf, Kyle W
core
MoleculesThe molecular mechanism of the reaction between 2-methoxyfuran and ethyl (Z)-3-phenyl-2-nitroprop-2-enoate was investigated using wb97xd/6-311+G(d,p)(PCM) quantum chemical calculations.
Mikołaj Sadowski +3 more
doaj +1 more source
Angewandte Chemie, EarlyView.In a proof‐of‐concept study, it was for the first time shown that planar chiral trans‐cycloalk‐2‐enones, such as 2, can be formed enantioselectively from their cis‐isomers by triplet energy transfer from a chiral catalyst. Computational studies performed with cyclohept‐2‐enone and enone 1 provided invaluable insights into the mode of action of the ...
Max Stierle +10 more
wiley +2 more sources
1,3-Dipolar Cycloadditions to Bicyclic Olefins. I. 1,3-Dipolar Cycloadditions to Norbornadienes [PDF]
, 1977 Hisaji Taniguchi +3 more
openalex +1 more source
Angewandte Chemie, EarlyView.This study introduces an integrated analytical and bioinformatics platform for high‐throughput tracing of lipid metabolism using bioorthogonal alkyne fatty acids and optimized LC‐MS workflow. Applied to human fibrosarcoma cells, the method traced fatty acid metabolism, revealing nuances in sphingolipid routing and metabolic bottlenecks, highlighting ...
Palina Nepachalovich +7 more
wiley +2 more sources
The Cycloaddition Reaction of Isobenzofuran with Fulvenes: The Formation of anendo-(6+4)π Adduct [PDF]
, 1975 Hitoshi Takeshita +3 more
openalex +1 more source
Supramolecular Gels as Active Tools for Reaction Engineering
Angewandte Chemie, EarlyView.The unique combination of environments within gels, self‐assembled from low‐molecular‐weight gelators, offers the ability to control reactivity in new ways, achieving unique reaction outcomes, leading to the emerging concept of supramolecular gels as nanoreactors. Smart chemical engineering methods enable the use of such gels to fabricate materials and
David K. Smith
wiley +2 more sources
The Search for an Epoxide Precursor in Trimethylenemethane (TMM) Cycloaddition Reactions [PDF]
, 2012 Trimethylenemethane (TMM) cycloaddition is a Pd(0)-catalyzed process in which new carbon rings are formed, which can be potentially useful in synthetic organic processes.
Miko, Christopher
core +2 more sources