Themed collection In celebration of Richard Andersen’s 75th birthday
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An enigmatic trailblazer on the frontier of discovery: Richard A. Andersen
This web-theme special issue, encompassing contributions to both ChemComm and Dalton Transactions, celebrates the impact that Richard “Dick” Andersen has had on inorganic and organometallic chemistry, on the occasion of his 75th birthday.
Chem. Commun., 2018,54, 12131-12132
https://doi.org/10.1039/C8CC90464B
Teaching from the primary inorganic literature: lessons from Richard Andersen
Teaching inorganic chemistry using the primary literature motivates students to learn deeply and to engage with the important discoveries of the field.
Dalton Trans., 2018,47, 13755-13760
https://doi.org/10.1039/C8DT02669F
Recent developments in actinide metallacycles
Recent developments in the synthesis and reactivity of actinide metallacycles are highlighted.
Chem. Commun., 2018,54, 7412-7430
https://doi.org/10.1039/C8CC01516C
[(NHC)CoR2]: pre-catalysts for homogeneous olefin and alkyne hydrogenation
[(ItBu)Co(CH2SiMe3)2] serves as an efficient, homogeneous olefin hydrogenation catalyst.
Chem. Commun., 2018,54, 13798-13801
https://doi.org/10.1039/C8CC08891H
Isolation and characterization of a high-spin mixed-valent iron dinitrogen complex
A new mixed-valence iron–dinitrogen complex has localized valence by IR and Mossbauer spectroscopies, and slow magnetic relaxation.
Chem. Commun., 2018,54, 13339-13342
https://doi.org/10.1039/C8CC07294A
Synthesis of novel copper-rare earth BINOLate frameworks from a hydrogen bonding DBU-H rare earth BINOLate complex
The preparation of a novel H-bonding DBU-H+ BINOLate-lanthanide complex enabled the synthesis of the first copper-Rare Earth Metal BINOLate complex (CuDBU-REMB).
Dalton Trans., 2018,47, 14408-14410
https://doi.org/10.1039/C8DT03335H
Synthesis of a (N,C,C) Au(III) pincer complex via Csp3–H bond activation: increasing catalyst robustness by rational catalyst design
The synthesis of a (N,C,C) Au(III) catalyst via Csp3–H bond activation has been achieved following a rational catalyst design approach.
Chem. Commun., 2018,54, 11104-11107
https://doi.org/10.1039/C8CC05489D
Reactivity of a trans-[H–Mo
Mo–H] unit towards alkenes and alkynes: bimetallic migratory insertion, H-elimination and other reactions
A full house of elementary reactions across a quadruple MoMo bond.
Chem. Commun., 2018,54, 9186-9189
https://doi.org/10.1039/C8CC04945A
Nuclearity effects in supported, single-site Fe(II) hydrogenation pre-catalysts
Dimeric and monomeric supported single-site Fe(II) organometallics are active hydrogenation catalysts.
Dalton Trans., 2018,47, 10842-10846
https://doi.org/10.1039/C8DT02720J
Rare earth arylsilazido compounds with inequivalent secondary interactions
Planar, three-coordinate homoleptic rare earth complexes Ln{N(SiHMe2)Dipp}3 (Ln = Sc, Y, and Lu), each containing three secondary Ln↼HSi interactions, react with acetophenone via hydrosilylation, rather than by insertion into the Y–N bond or by enolate formation.
Chem. Commun., 2018,54, 7318-7321
https://doi.org/10.1039/C8CC03186J
Non-aqueous neptunium and plutonium redox behaviour in THF – access to a rare Np(III) synthetic precursor
Redox stability of tetravalent Np and Pu in THF is explored, leading to facile access routes into anhydrous Np(III) chemistry.
Chem. Commun., 2018,54, 6113-6116
https://doi.org/10.1039/C8CC02611D
Silica-supported isolated molybdenum di-oxo species: formation and activation with organosilicon agent for olefin metathesis
A well-defined silica-supported molybdenum dioxo species, (SiO)2Mo(O)2, prepared via Surface Organometallic Chemistry, is highly active in metathesis upon reaction with organosilicon reducing agent.
Chem. Commun., 2018,54, 3989-3992
https://doi.org/10.1039/C8CC01876F
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Double uranium oxo cations derived from uranyl by borane or silane reduction
A new type of double uranium oxo cation [O–U–O–U–O]4+ is prepared by selective oxygen-atom abstraction from macrocyclic uranyl complexes using either boranes or silanes.
Chem. Commun., 2018,54, 3839-3842
https://doi.org/10.1039/C8CC00341F
Homoleptic U(III) and U(IV) amidate complexes
Homoleptic U(IV) and U(III) amidate complexes have been isolated and characterized; these species undergo an unusual and reversible change in coordination number upon reduction/oxidation.
Dalton Trans., 2018,47, 1772-1776
https://doi.org/10.1039/C7DT04813K
Solution structure and structural rearrangement in chiral dimeric ytterbium(III) complexes determined by paramagnetic NMR and NIR-CD
The accurate determination of the structure in solution of chiral lanthanide complexes is of crucial importance to understand enantioselective catalysis, and the optical and magnetic properties.
Dalton Trans., 2019,48, 882-890
https://doi.org/10.1039/C8DT03090A
A sulphur and uranium fiesta! Synthesis, structure, and characterization of neutral terminal uranium(VI) monosulphide, uranium(VI) η2-disulphide, and uranium(IV) phosphine sulphide complexes
Three new uranium species, (C5Me5)2U(N-2,6-iPr2-C6H3)(
S), (C5Me5)2U(
N-2,6-iPr2-C6H3)(η2-S2), and (C5Me5)2U(
N-2,6-iPr2-C6H3)(S
PMe3) have been prepared.
Dalton Trans., 2019,48, 50-57
https://doi.org/10.1039/C8DT02932F
Halide and substituent dependent structural variation in copper(I) halide complexes of 1,5,9-triphosphacyclododecanes
Mono- or dimeric structures of Cu(I) complexes of 12aneP3 macrocycles are obtained depending on the nature of the secondary halide ligand.
Dalton Trans., 2018,47, 16126-16131
https://doi.org/10.1039/C8DT03072C
H2 addition to (Me4PCP)Ir(CO): studies of the isomerization mechanism
Compared to analogous sterically demanding complexes, the methyl derived pincer iridium complex shows enhanced reactivity with H2 including: rapid isomerization from a cis- to trans-dihydride complex and solvent activation during isomerization.
Dalton Trans., 2018,47, 16119-16125
https://doi.org/10.1039/C8DT02861C
Variable coordination of carbazolyl-bis(tetrazole) ligands in lanthanide chemistry
Lanthanide complexes of 1,8-bis(2′-isopropyltetrazo-5′-yl)-3,6-di-tert-butylcarbazolide adopt geometries that include planar, buckled and tetrazolyl-bridged tridentate, as well as bidentate, bonding modes.
Dalton Trans., 2018,47, 15487-15496
https://doi.org/10.1039/C8DT02757A
Titanium thiosalicylate complexes: functional metalloligands for the construction of redox-active heterometallic architectures
A new versatile titanium metalloligand for the synthesis of redox active d0–d8 heterometallic complexes.
Dalton Trans., 2018,47, 15391-15398
https://doi.org/10.1039/C8DT02641F
Monomeric thorium chalcogenolates with bipyridine and terpyridine ligands
Thorium chalcogenolates react with bipyridine or terpyridine to form a series of chelate stabilized Th(ER)4 compounds (E = S, Se; R = Ph, C6F5). 77Se NMR shows that the eight coordinate structures are maintained in solution. These compounds are thermochromic, with color originating from a visible ligand to ligand charge transfer excitation.
Dalton Trans., 2018,47, 14652-14661
https://doi.org/10.1039/C8DT02543F
Bis(pentalene)dititanium chemistry: C–H, C–X and H–H bond activation
Formation of an agostic hydrogen by protonation of a “tucked-in” bis(pentalene)ditanium complex.
Dalton Trans., 2018,47, 14531-14539
https://doi.org/10.1039/C8DT02654H
Synthesis and molecular structure of pentadienyl complexes of the rare-earth metals
In combination with small and difficult to reduce rare-earth metals pdl′ undergoes CH-bond activations instead of sterically induced reductions to form dimeric complexes with a unique bridging six-membered metallacycle as the central structural motif.
Dalton Trans., 2018,47, 14468-14482
https://doi.org/10.1039/C8DT03123A
A series of dithiocarbamates for americium, curium, and californium
The isolation and characterization of a series of transplutonium coordination complexes provided insight in advancing understanding of how actinide properties change across the 5f-element series.
Dalton Trans., 2018,47, 14452-14461
https://doi.org/10.1039/C8DT02658K
Solid-state 45Sc NMR studies of Cp*2Sc–X and Cp*2ScX(THF)
A systematic study showing how the Sc–X bond affects solid-state 45Sc NMR quadrupolar coupling constants in Cp*2Sc–X.
Dalton Trans., 2018,47, 13063-13071
https://doi.org/10.1039/C8DT02623H
Synthesis and coordination chemistry of new asymmetric donor/acceptor pincer ligands, 1,3-C6H4(CH2PtBu(Rf))2 (Rf = CF3, C2F5)
Syntheses of new asymmetric pincer precursors 1,3-C6H4{CH2P(tBu,X)}2 (tBu,XPCPH; X = Cl, SiMe3, OPh) and a new class of hybrid donor/acceptor pincer ligands 1,3-C6H4{CH2P(tBu,Rf)}2 (tBu,RfPCPH; Rf = CF3, C2F5) are reported.
Dalton Trans., 2018,47, 12420-12430
https://doi.org/10.1039/C8DT02738B
Cobalt(II) acyl intermediates in carbon–carbon bond formation and oxygenation
Tetrahedral cobalt(II) hydrocarbyl and CO reversibly form acylcobalt, coupling to give α-hydroxyketone compounds, or oxygenation with O2 to cobalt(II) carboxylates.
Dalton Trans., 2018,47, 12147-12161
https://doi.org/10.1039/C8DT02661K
Synthesis, structures, and reactivity studies of cyclometalated N-heterocyclic carbene complexes of ruthenium
Dehydrochlorination of Cp*Ru(IPr)Cl leads to an unusual C–C bond activation, yielding a cyclometalated Ru complex bearing an NHC-C(sp2) ligand. Reactivity studies of cyclometalated Ru complexes were explored.
Dalton Trans., 2018,47, 12138-12146
https://doi.org/10.1039/C8DT01925H
Redox behaviour of ([fc(NPiPr2)2]Fe)2, formation of an iron–iron bond and cleavage of azobenzene
The redox behaviour of the dimeric tetrairon complex, ([fc(NPiPr2)2]Fe)2 (where fc(NPiPr2)2 = 1,1′-(C5H4NPiPr2)2Fe) has been investigated.
Dalton Trans., 2018,47, 10925-10931
https://doi.org/10.1039/C8DT00828K
Easily reduced bis-pincer (NS2)2molybdenum(IV) to (NHS2)2Mo(II) by alcohols vs. redox-inert (NS2)(NHS2)iron(III) complexes
Iron and molybdenum complexes supported by a pincer-type dianionic [NS2]2− donor were prepared to compare their structural, spectroscopic, and electrochemical properties.
Dalton Trans., 2018,47, 10932-10940
https://doi.org/10.1039/C8DT01562G
NIXANTPHOS: a highly active ligand for palladium catalyzed Buchwald–Hartwig amination of unactivated aryl chlorides
The NIXANTPHOS-based catalyst outperformed the parent ligand Xantphos in Pd catalyzed amination reaction of aryl chlorides at room temperature.
Dalton Trans., 2018,47, 8690-8696
https://doi.org/10.1039/C8DT01852A
About this collection
This web-theme special issue, encompassing contributions to both ChemComm and Dalton Transactions, celebrates the impact that Richard ‘‘Dick’’ Andersen has had on inorganic and organometallic chemistry, on the occasion of his 75th birthday.
This collection is guest edited by Professor T. Don Tilley (UC, Berkeley) and Professor John Arnold (UC, Berkeley).