A new family of icosahedral cages with transition metal and main group IV (14) atoms: synthesis and structural-bonding analysis of the [Ni11(SnR)2(CO)18]2- dianions (R = Bu, Me) containing nickel-centered icosahedral Ni10Sn2 cages and of their unusual [Ni(SnRCl2)4(CO)]2- precursors containing a trigonal-bipyramidal d8 nickel(II) configuration

1993 ◽  
Vol 115 (3) ◽  
pp. 1142-1144 ◽  
Author(s):  
Jeffrey P. Zebrowski ◽  
Randy K. Hayashi ◽  
Lawrence F. Dahl
Keyword(s):  
Transition Metal ◽  
Main Group ◽  
Group Iv ◽  
Bonding Analysis ◽  
New Family ◽  
Trigonal Bipyramidal ◽  
Structural Bonding ◽  
Icosahedral Cages

Bonding analysis of electron-rich bridged mixed main-group/transition metal tetrahedral M2E2 organometallic clusters

1994 ◽  
Vol 478 (1-2) ◽  
pp. 1-8 ◽  
Author(s):  
Samia Kahlal ◽  
Jean-François Halet ◽  
Jean-Yves Saillard ◽  
Kenton H. Whitmire
Keyword(s):  
Transition Metal ◽  
Main Group ◽  
Bonding Analysis ◽  
Organometallic Clusters

Catalytic Fluorination of Boron Compounds at a Bismuth Redox Platform

2019 ◽  
Author(s):  
Oriol Planas ◽  
Feng Wang ◽  
Markus Leutzsch ◽  
Josep Cornella
Keyword(s):  
Transition Metal ◽  
Main Group ◽  
Group Element ◽  
Oxidation States ◽  
Boron Compounds ◽  
Main Text ◽  
Main Group Element ◽  
Rational Ligand Design ◽  
Supplementary Material

The ability of bismuth to maneuver between different oxidation states in a catalytic redox cycle, mimicking the canonical organometallic steps associated to a transition metal, is an elusive and unprecedented approach in the field of homogeneous catalysis. Herein we present a catalytic protocol based on bismuth, a benign and sustainable main-group element, capable of performing every organometallic step in the context of oxidative fluorination of boron compounds; a territory reserved to transition metals. A rational ligand design featuring hypervalent coordination together with a mechanistic understanding of the fundamental steps, permitted a catalytic fluorination protocol based on a Bi(III)/Bi(V) redox couple, which represents a unique example where a main-group element is capable of outperforming its transition metal counterparts.<br>A main text and supplementary material have been attached as pdf files containing all the methodology, techniques and characterization of the compounds reported.<br>

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