guanidinate ligand
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Crystals ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 886
Author(s):  
Awal Noor

In this work, titanium complexes of the bidentate bulky guanidine ligand [{(Dip)N}2CNR2]H (where Dip = C6H3iPr2-2,6 and R = CH(CH3)2) (LH) were prepared. Reaction of LH with one equivalent of [(CH3)2NTiCl3] underwent amine elimination to afford the monomeric complex [LTiCl3] (1) in high yield. Attempts to reduce 1 with potassium graphite (KC8) in tetrahydrofuran (THF) were unsuccessful. However, reacting 1 with 3.3 equivalents of KC8 in hexane led to the first example of structurally characterized mono-guanidinate ligand stabilized dimeric TiIII complex [LTiCl(μ–Cl)]2 (2). The synthesized complexes were characterized by NMR spectroscopy and the structures were further confirmed by X-ray crystallography.



2018 ◽  
Vol 130 (7) ◽  
Author(s):  
Thota Peddarao ◽  
Ashim Baishya ◽  
Suraj Kumar Hota ◽  
Sharanappa Nembenna


2018 ◽  
Vol 42 (3) ◽  
pp. 1853-1866 ◽  
Author(s):  
Robin Kumar ◽  
Ram Kishan ◽  
Jisha Mary Thomas ◽  
Sivasankar Chinnappan ◽  
Natesan Thirupathi

The conformational difference illustrated is ascribed to a subtle repulsive interaction between the o-Cl substituent of two proximal aryl rings in the guanidinate ligand.



2017 ◽  
Vol 139 (44) ◽  
pp. 15691-15700 ◽  
Author(s):  
Arnab K. Maity ◽  
Jesse Murillo ◽  
Alejandro J. Metta-Magaña ◽  
Balazs Pinter ◽  
Skye Fortier




2015 ◽  
Vol 2015 (36) ◽  
pp. 5892-5902 ◽  
Author(s):  
Graeme J. Moxey ◽  
Alexander J. Blake ◽  
William Lewis ◽  
Deborah L. Kays


2014 ◽  
Vol 67 (7) ◽  
pp. 1011 ◽  
Author(s):  
Lea Fohlmeister ◽  
Cameron Jones

A toluene-capped guanidinato iron(i) complex [(Pipiso)Fe(η6-toluene)] (Pipiso = [(DipN)2C(cis-NC5H8Me2-2,6)]–) was prepared by magnesium metal reduction of {[(Pipiso)FeII(µ-Br)]2} in toluene. The reactivity of the closely related FeI–FeI multiply bonded species, {[Fe(μ-Pipiso)]2} towards a range of unsaturated small molecule substrates was investigated, and found to be broadly similar to that of low-valent β-diketiminato iron complexes. That is, its reaction with CO yielded the iron(i) carbonyl complex [(Pipiso)Fe(CO)3], whereas reaction with CO2 formed the same product via an apparent reductive disproportionation of the substrate. In contrast, reaction between {[Fe(μ-Pipiso)]2} and CS2 led to reductive C=S bond cleavage and the isolation of {[(Pipiso)Fe]2(μ-S)(μ-CS)}. Different reactivity was seen with AdN3 (Ad = 1-adamantyl), which was reductively coupled by the iron(i) dimer to give iron(ii) hexaazenyl complex {[(Pipiso)Fe]2(μ-AdN6Ad)}.



2013 ◽  
Vol 42 (16) ◽  
pp. 5826 ◽  
Author(s):  
Jie Zhang ◽  
Weiyin Yi ◽  
Zhenxia Chen ◽  
Xigeng Zhou


2012 ◽  
Vol 716 ◽  
pp. 86-94 ◽  
Author(s):  
Xingmin Zhang ◽  
Chuanyong Wang ◽  
Mingqiang Xue ◽  
Yong Zhang ◽  
Yingming Yao ◽  
...  


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