Reactions of 2,2′-bipyridine-6,6′-dicarbonyl-bis(N,N-diethylthiourea), H2Lbipy, with a mixture thorium nitrate hydrate and nickel acetate in methanol NEt3 as supporting base yield brown single crystals the bimetallic complex [ThNi(Lbipy)2(CH3COO)2(MeOH)]. Two 2,2′-bipyridine-centered bis(aroylthioureato) ligands connect metal atoms way that atom is coordinated by two O,N,N,O donor sets, while establishes S,O chelate rings its equatorial coordination plane. The are connected bridging acetato...

Self‐assemblies between H2Lcat ligand and the mixture of Ni(OAc)2 ∙ 4 H2O alkaline metal chlorides MCl (M = K, Rb, Cs) in MeOH/H2O could form metallacoronate metallacryptate complexes. The topology complexes strongly depends on ionic radius alkali ions. small K+ ion favors to {2}‐metallacoronate [K ⊂ Ni2(Lcat)2]+, while medium size Rb+ both [Rb Ni2(Lcat)2]+ {3}‐metallacoronate Ni3(Lcat)3]+. large Cs+ exclusively adopts [Cs In contrast, consistently display [M Ni2(Lcat)3]– architecture, regardless

Abstract Stoichiometric reactions of furan‐2,5‐dicarbonylbis( N , ‐diethylthiourea) H 2 L with transition metal ions including Fe 3+ and Ni 2+ in MeOH the presence an organic base like Et 3 bring about two metallacyclic complexes. Chemical compositions structures such compounds have been investigated by elemental analyses, spectroscopic means as HRMS, IR, NMR X‐ray crystallography. The supportive results indicate formation dinuclear complexes resulting from coordination ( S O )‐chelating...

Reactions of (NBu4)[ReOCl4] and 3,3,3′,3′-tetraalkyl-1,1′-isophthaloylbis(thioureas), H2phth(R2tu)2 where R = Et, i-Bu, in hot MeOH with the addition Et3N give red products composition [ReO(OMe){phth(R2tu)2}]2 (8a, Et; 8b, i-Bu). X-ray structures 8 reveal symmetric binuclear complexes containing two almost coplanar organic ligands, each which coordinates to rhenium centers via bidentate-O,S moieties. The octahedral coordination spheres atoms are completed by one oxo methoxido ligand directed...

Similar reactions of 2,6-dipicolinoylbis(N,N-diethylthiourea) (H2L(a)) with: (i) Ni(NO3)2·6H2O, (ii) a mixture Ni(NO3)2·6H2O and AgNO3, (iii) Ni(OAc)2·4H2O PrCl3·7H2O (iv) BaCl2·2H2O give the binuclear complex [Ni2(L(a))2(MeOH)(H2O)], polymeric compound [NiAg2(L(a))2]∞, heterobimetallic complexes [Ni2Pr(L(a))2(OAc)3] [Ni2Ba(L(a))3], respectively. The obtained assemblies can be used for build up supramolecular polymers by means weak medium intermolecular interactions. Two prototype examples...

Abstract Reactions of 2,6‐dipicolinoylbis( N,N ‐diethylthiourea) (H 2 L Et ) with common tellurium(IV) starting materials such as PhTeBr 3 or TeBr 4 yield various and tellurium(II) compounds depending on the conditions applied. Equimolar amounts H give 1 : complex [PhTe IV Br )], while an excess , tellurium compound is partially reduced a {PhTe II } + building block coordinates to both sulfur atoms under formation ion pair )][PhTe ]. Similar reactions between neutral monomer [Te )]...

One-pot reactions of 2,6-dipicolinoylbis(N,N-diethylthiourea) (H2L) with Co(CH3COO)2·4H2O and LnCl3, where Ln = La, Ce, Nd, Sm, Gd, Dy, Er, Yb, in warm methanol the presence Et3N, give stable trinuclear complexes composition [LnCo2(L)2(μ1,3-OOCCH3)2X] ("CoLnCo" complexes), X– κ2-CH3COO– or Cl–. X-ray structure determinations reveal symmetric containing two organic ligands (L2–), terminal CoII ions, one central LnIII ion. The coordinate equatorially to ions via bidentate (O,S) N-acylthiourea...

The reaction of isophthaloylbis(N,N-diethylthiourea), H2L1, with FeCl3·6H2O gives the dinuclear tris-complex [Fe2(L1)3] (5), possessing a cryptand-like structure. A similar ligand 2,6-dipicolinoylbis(N,N-diethylthiourea), H2L2, however, results in formation anionic, mononuclear Fe(III) complex [Fe(L2)2]- (6), which could be isolated as its "Tl+ salt" by subsequent addition Tl(NO3). tighter view to solid state structure obtained product, characterizes compound 6 one-dimensional coordination...

The reaction of isophthaloylbis(N,N-diethylthiourea), H2L1, with UO2(CH3COO)2·2H2O and NEt3 as a supporting base gives tetranuclear, anionic complex the composition [{UO2(L1)}4(OAc)2]2–, in which uranyl ions are S,O-chelate bonded. Each two them additionally linked by an acetato ligand. Similar reactions various starting materials (uranyl acetate, nitrate, (NBu4)2[UO2Cl4]) corresponding pyridine-centered ligands (pyridine-2,6-dicarbonylbis(N,N-dialkylthioureas), H2L2) yield mononuclear,...

Thiocarbamoylbenzimidoyl chlorides, PhC(Cl)═N–(C═S)–NR1R2, react with 2-(iminodiacetic acid)benzylamine under formation of the potentially pentadentate ligands H3L (R1, R2 = Et) and H3L–COOEt (R1 Me, C6H4-4-COOEt) in high yields. Hydrolysis NaOH/MeOH gives quantitatively another benzamidine ligand H3L–COOH. The novel readily (NBu4)[MOCl4] (M Re, Tc) stable complexes general composition [MO(L)], which they are triply deprotonated fully occupy remaining five coordination positions {MO}3+...

{2}-Metallacryptates are constructed from the self-assembly of 2,6-dipicolinoylbis(<italic>N</italic>,<italic>N</italic>-diethylthiourea) ligands and mixtures indium(<sc>iii</sc>) chloride chlorides monovalent cations.

Potassium cations play a vital role in directing reactions of 2,6‐dipicolinoylbis( N , ‐diethylthiourea) ( H 2 L ) with Cu(OAc) . In the absence K + redox reaction occurred, leading to formation polymeric complex [Cu II Cu I (L) ] ∞ 1 ). On other hand, adding source (i.e KPF 6 directs self‐assembly process, forming {2}‐metallacoronate K(L) ](PF complexes. The structure is built by bridging neighboring units via S linkages. supramolecular constructed weak interactions between planar...

Abstract One‐pot reactions of catechol‐scaffolding aroylbis( N , ‐diethylthiourea) H 2 L cat and mixtures lanthanide nitrates Ln(NO 3 ) (Ln 3+ =La Nd or Yb indium(III) chloride InCl [Au(tht)Cl] in methanol the presence supporting base Et result gold(I) {2}‐metallacoronates. Depending on radii trivalent metal ions, corresponding complexes are separated either neutral form with composition {(NO ‐κ ‐ O O’ )Ln⊂[Au (L ]} cases La as ‘ion‐pair’ {Yb⊂[Au + (NO − for Yb(III) compound. The cationic...

The A 2 [ReF 6 ] ( = K, Rb and Cs) salts are isotypic crystallize in the trigonal space group type P \overline{3} m 1, adopting K [GeF structure type. Common to all structures slightly distorted octahedral 2− anions with an average Re—F bond length of 1.951 (8) Å. In those salts, symmetry lowering on local from O h (free anion) D 3 d (solid-state structure) occur. distortions anions, as observed their Raman spectra, correlated size counter-cations.

The bifunctional ligand 2,6‐dipicolinoylbis( N , ‐diethylthiourea) (H 2 L) readily reacts with mixtures of Zn(CH 3 COO) and Ln Cl in MeOH at ambient temperature formation trinuclear heterobimetallic complexes [Zn (L) (OAc) ] ( 1a – 1f ) = Ce, Nd, Sm, Gd, Dy, Er). X‐ray single‐crystal diffraction structural studies the revealed their isostructural nature, which two doubly‐charged ligands {L 2– } bind Zn 2+ ions terminal acylthiourea sites one 3+ ion central 2,6‐pyridinedicarboxamide site. In...

In the title compound, C 13 H 11 N 3 S 2 , phenyl ring is twisted from 1,2,4-triazole plane by 63.35 (9)° and 47.35 thiophene plane. crystal, chains of molecules running along c -axis direction are formed N—H...S interactions [graph-set motif (4)]. The rings involved in π–π stacking [centroid–centroid distance = 3.4553 (10) Å]. C—H...S C—H...π interactions. intermolecular crystal packing were further analysed using Hirshfield surface analysis, which indicates that most significant contacts...

One-pot reactions of the catechol-scaffolding aroylbis(N,N-diethylthiourea) H2Lcat with mixtures CoCl2 and MCl (M+ = Cs+, Rb+, K+, Tl+, or NH4+) a Co(NO3)2/TlNO3 mixture lead to self-assembly series cationic Co(III) metallacryptates general formula [M ⊂ {Co2(Lcat)3}]+ NH4+). Crystalline PF6– salts were obtained after workup (n-Bu4N)(PF6), single-crystal structures all five have been determined. Depending on nature guest cations, directional interactions between cations metallacryptand...

The title compound, C

One‐pot reactions of the catechol‐scaffolding aroylbis( N,N ‐diethylthiourea) H 2 L cat with mixtures alkaline earth nitrates M(NO 3 ) (M 2+ = Ca , Sr or Ba and (NEt 4 )[AuCl ] [Au(tht)Cl] (tht tetrahydrothiophene) in methanol presence Et N as supporting base give rise to neutral trinuclear gold(I) {2}‐metallacoronates composition {M ⊂ [Au (L ]} ( 1 ). Similar pyridine‐centered py however, produce complexes same metal‐to‐ligand ratio but higher nuclearity {2M In both Au(I) ions are...