Molybdenum-molybdenum and phosphorus-phosphorus or sulfur-sulfur bond cleavage reactions of organic substrates with compounds containing a metal-metal triple bond

1987 ◽  
Vol 6 (4) ◽  
pp. 829-833 ◽  
Author(s):  
Howard. Alper ◽  
Frederick W. B. Einstein ◽  
Frederick W. Hartstock ◽  
Richard H. Jones
Keyword(s):  
Triple Bond ◽  
Bond Cleavage ◽  
Organic Substrates ◽  
Metal Metal ◽  
Cleavage Reactions ◽  
Sulfur Bond

Carbon–Sulfur Bond Cleavage Reactions of Quinolyl-Substituted Thiophenes with Iron Carbonyls

2017 ◽  
Vol 36 (11) ◽  
pp. 2228-2236 ◽  
Author(s):  
Takumi Matsunaga ◽  
Isamu Kinoshita ◽  
Masakazu Hirotsu
Keyword(s):  
Bond Cleavage ◽  
Iron Carbonyls ◽  
Cleavage Reactions ◽  
Sulfur Bond

Carbon–sulfur bond cleavage reactions of dibenzothiophene derivatives mediated by iron and ruthenium carbonyls

2011 ◽  
Vol 40 (4) ◽  
pp. 785-787 ◽  
Author(s):  
Masakazu Hirotsu ◽  
Chiaki Tsuboi ◽  
Takanori Nishioka ◽  
Isamu Kinoshita
Keyword(s):  
Bond Cleavage ◽  
Cleavage Reactions ◽  
Ruthenium Carbonyls ◽  
Sulfur Bond

Rhodium induced titanium–sulfur bond cleavage: crystal and molecular structure of ((COD)Rh(μ-SMe))2

1990 ◽  
Vol 68 (4) ◽  
pp. 565-569 ◽  
Author(s):  
Teresa A. Wark ◽  
Douglas W. Stephan
Keyword(s):  
Molecular Structure ◽  
Ligand Exchange ◽  
Crystal And Molecular Structure ◽  
Bond Cleavage ◽  
Structural Data ◽  
Structural Features ◽  
Monoclinic Space Group ◽  
Metal Metal ◽  
Early Late ◽  
Sulfur Bond

Reactions of Ti(III) and Ti(IV) thiolates with Rh complexes have been investigated. In the reaction of Cp2Ti(SMe)2 and [(COD)2Rh]BF4 or [(COD)Rh(sol)2]PF6, thiolate abstraction yields ((COD)Rh(μ-SMe))2, 1. Reaction of (Cp2Ti(μ-SMe))2 with ((COD)Rh(μ-Cl))2 results in ligand exchange affording (Cp2Ti(μ-Cl))2 and 1. The complex 1 crystallizes in the monoclinic space group P21/n, with a = 8.551(2) Å, b = 10.058(3) Å, c = 22.187(4) Å, β = 92.54(1)°, Z = 4, and V = 1906(1) Å3. The structural data show a relatively short approach between the Rh centres (2.948 Å) and between the bridging sulfur atoms (2.888 Å). The implications of these structural features in terms of metal–metal and sulphur–sulfur bonding are discussed. In addition, the implications of these results with respect to the formation of thiolato-bridged, early–late heterobimetallics is considered. Keywords: thiolate abstraction, rhodium thiolate bridged dimer.

Metal-Metal Cooperative Bond Activation by Heterobimetallic Alkyl, Aryl, and Acetylide PtII/CuI Complexes

2020 ◽  
Author(s):  
Shubham Deolka ◽  
Orestes Rivada Wheelaghan ◽  
Sandra Aristizábal ◽  
Robert Fayzullin ◽  
Shrinwantu Pal ◽  
...  
Keyword(s):  
Alkyl Group ◽  
Bond Activation ◽  
Bond Cleavage ◽  
Terminal Alkyne ◽  
Alkyl Aryl ◽  
Metal Metal ◽  
The Stability ◽  
Selective Formation ◽  
Organoplatinum Compounds

We report selective formation of heterobimetallic PtII/CuI complexes that demonstrate how facile bond activation processes can be achieved by altering reactivity of common organoplatinum compounds through their interaction with another metal center. The interaction of the Cu center with Pt center and with a Pt-bound alkyl group increases the stability of PtMe2 towards undesired rollover cyclometalation. The presence of the CuI center also enables facile transmetalation from electron-deficient tetraarylborate [B(ArF)4]- anion and mild C-H bond cleavage of a terminal alkyne, which was not observed in the absence of an electrophilic Cu center. The DFT study indicates that the role of Cu center acts as a binding site for alkyne substrate, while activating its terminal C-H bond.

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