Results 61 to 70 of about 20,042 (215)

Metallocene-Appended Imidazoles Displaying Virtual Planar Chirality

open access: yes, 2016
(S)-1-(1-Alkylethyl)imidazoles 6a/b (alkyl = cyclohexyl, tert-butyl) containing a 2-(η5-cyclopentadienyl)(η4-tetraphenylcyclobutadiene)cobalt substituent are readily synthesized.
Geraint Jones (2182774)   +1 more
core   +1 more source

The charge percolation mechanism and simulation of Ziegler–Natta polymerizations Part III. Oxidation states of transition metals [PDF]

open access: yesJournal of the Serbian Chemical Society, 2006
The oxidation state of the transition metal (Mt) active centre is the most disputable question in the polymerization of olefins by Ziegler–Natta (ZN) and metallocene complexes.
BRANKA PILIC   +5 more
doaj   +3 more sources

Reversal of Polymerization Stereoregulation in Anionic Polymerization of MMA by Chiral Metallocene and Non-metallocene Initiators:  A New Reaction Pathway for Metallocene-Initiated MMA Polymerization

open access: yes, 2016
Reversal of Polymerization Stereoregulation in Anionic Polymerization of MMA by Chiral Metallocene and Non-metallocene Initiators:  A New Reaction Pathway for Metallocene-Initiated MMA ...
Eugene Y.-X. Chen (1270119)   +1 more
core   +1 more source

Influence of the elastomeric polypropylene addition on the properties of commercial metallocenic polypropylene

open access: yesMaterials Research, 2001
Polypropylene with special properties can be obtained by metallocenic catalysts. These catalytic systems represent the beginning of a new age in polyolefins technology. In this work, the influence of the addition of a syndiotactic polypropylene (s-PP) on
Maria de Fátima V. Marques   +2 more
doaj   +1 more source

Metallocene Polypropylene Crystallization Kinetic During Cooling in Rotational Molding Thermal Condition [PDF]

open access: yes, 2013
This article is part of an ambitious project. The aim is to simulate mechanical properties of rotomolded part from micro-structure consideration. Main objective here is to consider metallocene polypropylene crystallization kinetic (PP) during cooling ...
Krawczak, P   +6 more
core   +1 more source

Double Metallocene Nanowires

open access: yes, 2016
Double Metallocene ...
Xiao Cheng Zeng (1273674)   +1 more
core   +1 more source

Aktivierung von Metallkomplexen durch Ultraschallwellen für eine gezielte Krebstherapie

open access: yesAngewandte Chemie, 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

Metal–Metal Cooperative C─F and S─F Bond Cleavage by Low‐Valent Tetracobalt Clusters and Water‐Assisted Fluoroarene Hydrodefluorination

open access: yesAngewandte Chemie, Volume 138, Issue 44, 26 October 2026.
Self‐assembled tetrahedral CoI4 clusters supported by simple bipyridine‐based ligands undergo core rearrangement to cleave S─F and C(sp2)─F bond, forming fluoride‐bridged tetracobalt(II)‐oxo clusters, while exposure of cobalt(I) clusters to molecular oxygen yields cubane‐type cobalt(III) oxo clusters.
Hoan M. Dinh   +4 more
wiley   +2 more sources

Activation of Metal Complexes With Ultrasound Waves for Targeted Anticancer Therapy

open access: yesAngewandte 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

Carbon nanotubes by the metallocene route [PDF]

open access: yes, 1997
Pyrolysis of metallocenes such as ferrocene, cobaltocene and nickelocene, is shown to yield carbon nanotubes and metal-filled onion-like structures. Pyrolysis of benzene in the presence of a metallocene gives high yields of nanotubes, the wall thickness ...
Govindaraj, A.   +2 more
core   +2 more sources

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