New Lanthanide Alkynylamidinates and Diiminophosphinates

Abstract

(9), has also been synthesized in a similar manner from CeCl3 and two equiv. of Li[Ph2P(NSiMe3)2]. Structurally, this complex resembles the well-known "ate" complexes (C5Me5)2Ln(µ-Cl)2Li(THF)2. Attempts to oxidize compound 9 using trityl chloride or phenyliodine(III) dichloride did not lead to an isolable cerium(IV) species. OPEN ACCESSInorganics 2015, 3 430

Chelating Borohydrides for Lanthanides and Actinides: Structures, Mechanochemistry, and Case Studies with Phosphinodiboranates

“…Like aminodiboranates, phosphinodiboranate salts with different substituents attached to phosphorus have been known for over half a century, − but f-element coordination complexes with these ligands were unknown until the first compounds were reported with P , P -di- tert -butylphosphinodiboranate (H 3 BP t Bu 2 BH 3 – , t Bu-PDB) by us in a communication last year . Phosphinodiboranates join a series of phosphinate and related ligands with other second-row donor groups (i.e., O, , NR, − and CH 2 − ) that have been used in f-element separations and coordination chemistry (Chart ). They are also similar to soft-donor dithiophosphinates and diselenophosphinate ligands, − which include dithiophosphinates renowned for their excellent selectivity for trivalent minor actinides (e.g., Am 3+ ) over lanthanides in solvent extraction studies. ,, …”

Naphthalene‐1,2‐dione and indoline‐2,3‐dione as Convenient Ligands to Prepare Mixed Ligand Complexes of Mn, Cu And Cd: Synthesis, Spectroscopic Characterization, DFT Study and Antibacterial Activity

“…In the mixed ligand complexes, the central metal ion surrounded with different organic (or inorganic) ligands which make the odds of the complex's characteristics varying are increased. [25][26][27] Design, synthesis, and characterization of the mixed ligand complexes play an important area in discovering new complexes with strong catalytic activity not only for transition metals but also for alkaline earth metals and lanthanides. [27][28][29][30][31] Moreover, these complexes were physiologically active against a variety of pathogenic bacteria.…”

“…Keeping in view of the catalytic activity, biological and medicinal properties of transition metal compounds, we find it is important to join the chemistry of transition metals such as (Mn, Cu and Cd) with both naphthalene‐1,2‐dione and indoline‐2,3‐dione in search of designing mixed ligand complexes with biological properties which could aggressively active against resistant bacterial species. In the mixed ligand complexes, the central metal ion surrounded with different organic (or inorganic) ligands which make the odds of the complex‘s characteristics varying are increased [25–27] . Design, synthesis, and characterization of the mixed ligand complexes play an important area in discovering new complexes with strong catalytic activity not only for transition metals but also for alkaline earth metals and lanthanides [27–31] .…”

Rare Earth and Actinide Complexes

“…As with the d-block, organometallic lanthanide chemistry has proven to be of vital use in the development of homogeneous catalysis. This issue reflects this growing interest with papers demonstrating the synthesis of organometallic lanthanide complexes using imide (Anwander and co-workers) [15], amidinate (Edelman and co-workers) [16], reduced bipyridine (Mills and co-workers) [17] and metallocene (Ce 4+ complexes by Gordon and co-workers [18], the reactivity of Sm 2+ by Maron and co-workers [19] and U 3+ /U 4+ bromides by Kiplinger and co-workers [20]) ligand frameworks. A review from Eisen and co-workers [21] is devoted to actinide catalysis and an article from Visseaux and co-workers [22] details the extension of organometallic Nd catalysis into the solid state demonstrating the numerous current applications of these interesting species.…”