Results 161 to 170 of about 131,699 (232)

Azidophosphonamido Rhodium(I) and Iridium(I) Complexes: Synthesis, Properties, and Linkage Isomerism

open access: yesChemistry – A European Journal, EarlyView.
A family of azidophosphonamido ligands and their corresponding rhodium(I) and iridium(I) complexes were synthesized. The rich reaction chemistry of these species revealed unusual linkage isomerization processes and bonding motifs. M = Rh, Ir; Mes = 2,4,6‐Me3C6H2. ABSTRACT A series of azidophosphonamido rhodium(I) and iridium(I) complexes ([iPr2P(N3R)NR]
Emily L. Trew   +3 more
wiley   +1 more source

N─H or O─H Bond Activation With a Bicyclic Si4 Ring Compound

open access: yesChemistry – A European Journal, EarlyView.
The bicyclic Si4 ring compound with zwitterionic character reacts with NH3, H2O, and selected alcohols to give functionalized saturated silicon rings, siliconoid clusters with unsubstituted Si atoms, or simple 1,3‐addition products. The experimentally observed reactivity could be rationalized based on results from mechanistic calculations employing ...
Michael Quest   +7 more
wiley   +1 more source

Mild C─F Activation of Azido(per)Fluoroalkanes

open access: yesChemistry – A European Journal, EarlyView.
Mild and selective activation of C(sp3)–F bonds in azido(per)fluoroalkanes using thiolates was developed, leading to novel functionalized azides. The reaction is initiated by nucleophilic attack of the sulfur atom to the terminal nitrogen of the azido group, followed by fluoride ion elimination.
Olena Shaitanova   +7 more
wiley   +1 more source

Stepwise Synthesis of Tetrabenzotriazaporphyrins (TBTAPs) and Their Open 2‐ and 3‐Ring Fragments

open access: yesChemistry – A European Journal, EarlyView.
Unexpected reaction pathways to porphyrin‐phthalocyanine hybrids are uncovered by the synthesis of “half‐macrocycle” fragments and subsequent macrocyclization. Rather than the expected 2:2 “ABBA” product, the 3:1 “ABBB” hybrid is isolated as the only macrocyclic product.
Jacob Gretton   +10 more
wiley   +1 more source

Ray-tracing analytical absorption correction for X-ray crystallography based on tomographic reconstructions. [PDF]

open access: yesJ Appl Crystallogr
Lu Y   +11 more
europepmc   +1 more source

Ni2‐Imido Bispincer Platforms: Cooperative Reactivity Enabled Through Substrate Addition Across a Ni2N Unit

open access: yesChemistry – A European Journal, EarlyView.
Ni2 bispincer complexes with an embedded central imido anchor are presented. The bispincer complexes leverage the high basicity of imido ligands to facilitate 1,2 addition of weak B─H and Si─H bonds, resulting in hydrido–amido complexes and resultingly a contortion of a Ni─Ni sigma bond to form an S = 1 species. The 1,2 addition is proposed to serve as
David de los Santos   +2 more
wiley   +1 more source

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