Results 221 to 230 of about 14,073 (324)

Catalytic performance and SERS substrate efficiency of PdNPs@GOQDs. [PDF]

open access: yesRSC Adv
Amrutha TP   +9 more
europepmc   +1 more source

Regioselectivity Inversion in the Cycloaddition Reaction between Stable Nitrile Oxides and Acylalkyne Derivatives

open access: diamond
Yuki Maeda   +6 more
openalex   +2 more sources

Low‐Temperature Initiation Enhances HCN and NH3 Formation From Methane and NO Over Pt/Al2O3

open access: yesChemistry – A European Journal, EarlyView.
Hydrogen cyanide (HCN) was formed from CH4 and NO over Pt/Al2O3 at low temperatures. Increasing NO concentration and optimizing reaction‐start conditions significantly enhanced HCN yield. In situ FTIR and DXAFS measurements revealed that dynamically balancing Pt‑CO and Pt‑CN surface species, particularly their desorption under temperature‑swing ...
Emika Yamashita   +3 more
wiley   +1 more source

Strain Release of 1‐Azabicyclo[1.1.0]butanes as a Gateway to Highly Functionalized Azetidines: New Strategies and Structural Motifs

open access: yesChemistry – A European Journal, EarlyView.
Over the past decade, the interest in azetidines has continuously risen, by virtue of their highly appealing pharmaceutical properties. Monocyclic, spirocyclic, and bridged azetidines can be accessed by leveraging 1‐azabicyclo[1.1.0]butanes as precursors.
Yuri Gelato   +3 more
wiley   +1 more source

1,3-Dipolar Cycloaddition of Nitrile Oxides to [C60]fullerene: A Density Functional Theory Study

open access: gold, 2011
Ponnadurai Ramasami   +4 more
openalex   +1 more source

Dinuclear Group 4 Metallocene Catalysts of the Type [(Cp2M)2(μ‐Me)(μ‐C2R)]: Structure‐Activity Relationships in Ethylene Polymerization

open access: yesChemistry – A European Journal, EarlyView.
Homo‐ and heterodinuclear group 4 metallocene complexes of the type [(Cp2M)2(μ‐Me)(μ‐C2R)] (M = Ti, Zr) are active catalysts for the polymerization of ethylene in the presence of aluminium‐free activators. The catalytically active species are proposed to have dinuclear character and depending on the type of activator, unique reactivity was observed ...
Hanan Al Hamwi   +8 more
wiley   +1 more source

Titanium‐Catalyzed Diastereoselective Keto‐ and Iminonitrile Cyclizations

open access: yesChemistry – A European Journal, EarlyView.
The titanium(III)‐catalyzed diastereoselective cyclization of readily‐available substituted ketonitriles gives cyclopentanones in good yield and stereoselectivity. Subsequent 1,2‐addition allows the preparation of cyclopentyls with three consecutive stereocenters.
Christoph Kern   +4 more
wiley   +1 more source

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