3 Advances in the coordination chemistry of amidinate and guanidinate ligands

FT Edelmann - Advances in organometallic chemistry, 2008 - books.google.com
The quest for alternatives to cyclopentadienyl-based ligands has led to a recent renaissance
of N-centered donor ligands in various fields of organometallic and coordination chemistry …

Guanidinate and amidopyridinate rare-earth complexes: Towards highly reactive alkyl and hydrido species

AA Trifonov - Coordination Chemistry Reviews, 2010 - Elsevier
The review summarizes advances in the chemistry of organo rare-earth complexes
containing bulky guanidinate and amidopyridinate ligands. The methods of synthesis …

Preparation of lanthanide-containing precursors and deposition of lanthanide-containing films

VR Pallem, C Dussarrat - US Patent 8,283,201, 2012 - Google Patents
Methods and compositions for depositing rare earth metal containing layers are described
herein. In general, the dis closed methods deposit the precursor compounds comprising rare …

Catalytic addition of alkyne C–H, amine N–H, and phosphine P–H bonds to carbodiimides: an efficient route to propiolamidines, guanidines, and phosphaguanidines

WX Zhang, Z Hou - Organic & Biomolecular Chemistry, 2008 - pubs.rsc.org
Various metal complexes (eg, lanthanides, early transition metals, and alkali metals) can
serve as catalyst precursors for the catalytic addition of alkyne C–H, amine N–H, and …

Alkyl aluminum-catalyzed addition of amines to carbodiimides: A highly efficient route to substituted guanidines

WX Zhang, D Li, Z Wang, Z Xi - Organometallics, 2009 - ACS Publications
The commercially readily available alkyl aluminums, such as AlMe3, AlEt3, and AlEt2Cl, can
serve as excellent catalyst precursors for the catalytic addition of amines to carbodiimides …

Guanidinates as Alternative Ligands for Organometallic Complexes

F Carrillo-Hermosilla, R Fernández-Galán, A Ramos… - Molecules, 2022 - mdpi.com
For decades, ligands such as phosphanes or cyclopentadienyl ring derivatives have
dominated Coordination and Organometallic Chemistry. At the same time, alternative …

Activation of Carbodiimide and Transformation with Amine to Guanidinate Group by Ln(OAr)3(THF)2 (Ln: Lanthanide and Yttrium) and Ln(OAr)3(THF)2 as a Novel …

Y Cao, Z Du, W Li, J Li, Y Zhang, F Xu… - Inorganic Chemistry, 2011 - ACS Publications
Reaction of Ln (OAr1) 3 (THF) 2 (Ar1=[2, 6-(t Bu) 2-4-MeC6H2] with carbodiimides (RNCNR)
in toluene afforded the RNCNR coordinated complexes (Ar1O) 3Ln (NCNR)(R= i Pr …

Insertion of isocyanate and isothiocyanate into the Ln–P σ-bond of organolanthanide phosphides

W Yi, J Zhang, L Hong, Z Chen, X Zhou - Organometallics, 2011 - ACS Publications
The synthesis, structure, and reactivity of organoyttrium phosphides toward phenyl
isocyanate (PhNCO) and phenyl isothiocyanate (PhNCS) are described. Reaction of …

Homogeneous catalysis using lanthanide amidinates and guanidinates

FT Edelmann - Molecular Catalysis of Rare-Earth Elements, 2010 - Springer
For decades, the organometallic chemistry of the rare earth elements was largely dominated
by the cyclopentadienyl ligand and its ring-substituted derivatives. A hot topic in current …

Application of nanofibers based on natural materials as catalyst in organic reactions

A Ghorbani-Choghamarani, Z Taherinia… - Journal of Industrial and …, 2021 - Elsevier
Up to the present, nanofibers have been prepared from an assortment of materials, such as
natural polymers, carbon-based nanomaterials, semiconducting nanomaterials, and …