Results 141 to 150 of about 41,367 (166)
Fine Tuning of Catalyst Active Sites to Access Advanced Ultrahigh‐Melting Polyolefins
Angewandte Chemie, EarlyView.A redesign of the active site of the pyridylamido hafnium (Hf) catalysts can enhance the performance of this catalyst family and unlock previously inaccessible polymer structures. When the catalyst is precontacted with allyltrimethylsilane the active species is modified and the catalyst experiences a new life becoming able to polymerize sterically ...
Fabio De Stefano +3 more
wiley +1 more source
Biokatalysatoren für die Geranylierung von Peptiden mit Linearen und Zyklischen Prenylgruppen
Angewandte Chemie, EarlyView.A combination of genome mining, synthetic biology, and biocatalytic assays revealed enzymes that install linear and cyclized prenyl moieties on ribosomally or chemically synthesized peptides. The promiscuity of both enzymes, while being specific for modification of C‐terminal tryptophans, enables enzymatic access to peptide terpenoid hybrids ...
Sarolt Magyari +10 more
wiley +1 more source
Gold Single‐Atom Catalysts Enable Selective Shuttle Hydrochlorination of Alkynes
Angewandte Chemie International Edition, EarlyView.Gold single‐atom catalysts on activated carbon enable heterogeneous shuttle hydrochlorination of terminal alkynes to vinyl chlorides with high chemo‐ and stereo‐selectivity thanks to cooperation between Au(I) sites and the support. The catalytic system combines broad substrate compatibility, simplified separation, and recoverability, paving the way for
Marc‐Eduard Usteri +8 more
wiley +1 more source
Angewandte Chemie International Edition, EarlyView.We introduce the Aza‐Büchner–Curtius–Schlotterbeck (ABCS) reaction: A mild, catalyst‐free method for homologating aryl imines. Diverging from the traditional BCS mechanism, the diazo intermediate undergoes selective C─C insertion to form an all‐carbon quaternary center.
Simon O. Angerer +6 more
wiley +1 more source
Activation of Metal Complexes With Ultrasound Waves for Targeted Anticancer Therapy
Angewandte Chemie International Edition, EarlyView.Ultrasound enables non‐invasive activation of metal‐based therapeutics deep within tumors. Acoustic cavitation can drive sonodynamic reactive oxygen species generation or mechanochemical metal–ligand bond dissociation, enabling controlled release of bioactive payloads.
Félix Grosjean +3 more
wiley +1 more source
A Ruthenium(CAAC‐5) Olefin Metathesis Catalyst for Bioconjugation
Angewandte Chemie International Edition, EarlyView.The aqueous instability of ruthenium catalysts restricts olefin metathesis in biological media. A Ru(CAAC‐5) complex bearing an aniline handle is reported that remains active under biologically relevant conditions and enables bioconjugation to proteins, peptides, and an artificial metalloenzyme, providing a robust platform for olefin metathesis in ...
Damian Alexander Graf +4 more
wiley +1 more source
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Combustion chemistry of alkenes and alkadienes
Progress in Energy and Combustion Science, 2022Aamir Farooq +2 more
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Alkene oligomerization via metallacycles: Recent advances and mechanistic insights
Coordination Chemistry Reviews, 2022Nicolas Mézailles +2 more
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Polarity Umpolung Strategy for the Radical Alkylation of Alkenes
Angewandte Chemie - International Edition, 2020Chenxi Lu, Chen Zhu, Xiao-Song Xue
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