Results 251 to 260 of about 420,348 (333)

Facile N═N Bond Cleavage of Cis‐Azobenzene with Bis‐silylenes

open access: yesAngewandte Chemie, EarlyView.
The unexpectedly easy N═N bond scission of cis‐azobenzene using two bis‐silylenes with different spacers and distinct SiII···SiII distances is reported. While both bis‐silylenes enable C─H and N═N π‐bond activation of trans‐azobenzene, the cooperative disilicon(II)‐mediated activation of cis‐azobenzene leads to bis‐silamines (Si═N) and related novel ...
Yun Xiong, Shenglai Yao, Matthias Driess
wiley   +2 more sources

Orthodontic Ceramic Bracket Removal Using Lasers: A Systematic Review. [PDF]

open access: yesJ Funct Biomater
Michalak M   +7 more
europepmc   +1 more source

Introducing the Aziridination of Fluorinated Olefins by Metal‐Catalyzed Nitrene Transfer

open access: yesAngewandte Chemie International Edition, EarlyView.
The first catalytic system for the aziridination of fluorinated olefins using the metal‐catalyzed nitrene transfer strategy is described. The transformation is stereospecific and takes place through a concerted addition of the olefin to the metal‐nitrene intermediates.
Jorge Pérez‐Ruíz   +3 more
wiley   +1 more source

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