Results 211 to 220 of about 35,108 (280)

A Joyful Journey: Tungsten(VI) and Tungsten(V) Fluorides Meet N-Heterocyclic Carbenes and Cyclic (Alkyl)(Amino)Carbenes. [PDF]

Angew Chem Int Ed Engl
Riethmann M, Eyßelein L, Krummenacher I, Bertermann R, Braunschweig H, Gerken M, Finze M, Radius U.   +7 more
europepmc   +1 more source

Understanding Small Molecule Activation Promoted by Heavier Benzene 1,4‐diides: Interplay Between Diradical Character and Aromaticity

Chemistry – A European Journal, EarlyView.
The intricate relationship between diradical character, aromaticity, and reactivity in annulated heavier Group 14 benzene‐1,4‐diides (see picture) has been investigated through Density Functional Theory and ab initio calculations. A direct correlation between reactivity and diradical character, both of which increase down Group 14, is found.
Daniel González‐Pinardo, Rajendra S. Ghadwal, Israel Fernández   +2 more
wiley   +1 more source

Gold Acyclic Diaminocarbene Complexes as Selective and Potent Agents for Multitarget Cancer Therapy. [PDF]

Inorg Chem
Gil-Moles M, Aliaga-Lavrijsen M, Montanel-Pérez S, Marzo I, Villacampa MD, Gimeno MC.   +5 more
europepmc   +1 more source

Tuning the 2LMCT Deactivation of Cyclometalated Iron Carbene Complexes with Electronic Substituent Effects

Chemistry – A European Journal, EarlyView.
Bromo‐ or furanyl‐substituents on a cyclometalated iron(III) N‐heterocyclic complex stabilize the 2LMCT state to very different extent. With substantially different 2LMCT energies and lifetimes, the two cases illustrate the balance between non‐radiative deactivation directly to the ground state or via metal‐centered states.
Abhishek Mishra, Kumkum Sharma, Catherine Ellen Johnson, Emmanuel Adu Fosu, Jesper Schwarz, Om Prakash, Arvind Kumar Gupta, Ping Huang, Fredrik Lindgren, Lennart Häggström, Jesper Bendix, Elena Jakubikova, Reiner Lomoth, Kenneth Wärnmark   +13 more
wiley   +1 more source

A combined experimental and computational study reveals a crossover between conventional cross-coupling and carbene insertion pathways in a Pd catalyzed C(sp²)-H insertion. [PDF]

Chem Sci
Tyagi A, Gaur K, Goswami A, Seal A, Joddar M, Jindal G.   +5 more
europepmc   +1 more source

Reversible and Irreversible Regioselective Alkyne Insertion into a Silyl‐Substituted Stannylene

Chemistry – A European Journal, EarlyView.
Alkyne insertion into the Sn─Si bond of a silyl‐substituted stannylene occurs regio‐selectively and ‐ in the cases of more sterically encumbered substrates ‐ reversibly Abstract A range of aryl‐ and alkyl‐ substituted alkynes has been shown to insert regio‐selectively into the Sn─Si bond of the electron‐rich aryl(silyl)stannylene, ArMesSnSi(SiMe3)3 ...
Aidan J. Murray, Lewis L. Wales, Agamemnon E. Crumpton, Maximilian Dietz, Mathias A. Ellwanger, Andreas Heilmann, Job J. C. Struijs, Simon Aldridge   +7 more
wiley   +1 more source

Synthesis of symmetrical and unsymmetrical cyclic diborenes <i>via</i> NHC-directed C-H borylation. [PDF]

Chem Sci
Mihm C, Kar S, Sachs A, Duwe D, Dewhurst RD, Braunschweig H.   +5 more
europepmc   +1 more source

Recent Advances in Metal‐Mediated Carbon‐Carbon Bond Cleavages of Benzenoid Hydrocarbons

Chinese Journal of Chemistry, EarlyView.
Today's chemists seek to develop useful synthetic methodologies involving carbon‐carbon bond cleavage of benzenoid hydrocarbons. This article surveys recent developments involving metal complexes that deliver various types of products, all representing important breakthroughs. Comprehensive Summary A variety of metal coordination modes that may provide
Sivakumar Ragupathy, John A. Gladysz
wiley   +1 more source

Toward a Systematics for the Lowest Excited States of Heteroaromatics Enabled via Cyclic π-Conjugated Carbenes and Heteroelement Analogues. [PDF]

J Org Chem
Proos Vedin N, Toldo JM, Escayola S, Radenković S, Solà M, Ottosson H.   +5 more
europepmc   +1 more source