Abstract Shape memory polymers (SMPs) are polymeric smart materials, a class of stimuli‐responsive that can return to their initial shape from programmed temporary under the application external stimuli, such as light, heat, magnetism, and electricity. Because these unique features, SMPs find applications in many fields, like aerospace, biomedical devices, flexible electronics, soft robotics, arrays, 4D printing. The comparatively low density, cost, easy biodegradability, biocompatibility...

Three pseudopolymorphs based on a coordination complex of pyrazolyl-benzimidazole ligand have been synthesized and characterized by single crystal X-diffraction, showed remarkable antibacterial properties.

Abstract Metal‐organic frameworks built from [Fe 3 (μ ‐O)(COO) 6 ] clusters and fumaric acid ligand, the so‐called MIL‐88 A(Fe) is a well‐known environment‐friendly promising material for many applications. In this paper, three different morphologies of such as rod, diamond spindle have been synthesized separately by reacting FeCl •6H 2 O in 1 : metal‐ligand stoichiometric ratio using two solvents water DMF via hydrothermal method. The morphology products their particle sizes were obtained...

Poly- and perfluoroalkyl substances (PFAS) have received considerable attention due to their toxicity, ubiquitous presence, recalcitrance in the environment. The manufacturing disposal of PFAS-containing products has resulted PFAS contamination groundwater drinking water supplies. Substantial interest efforts developing treatment technologies been triggered since are associated with numerous adverse health effects. Physical separation using activated carbon ion exchange is most widely...

A novel, air-stable phosphine ligand, prepared from readily available 2-bromonitrobenzene and vinylmagnesium bromide, combines with Pd(CH(3)CN)(2)Cl(2) to afford an effective catalyst for Suzuki-Miyaura cross-coupling of aryl, heteroaryl, allyl chlorides phenylboronic acid.

A crystal engineering based design strategy for metallogels has been demonstrated in a series of mixed ligand CuII/CoII coordination polymers derived from two bis-pyridyl-bis-amide ligands namely N,N′-bis-(3-pyridyl)isophthalamide (L1) and N,N′-bis-(3-pyridyl)terephthalamide (L2) various dicarboxylates. These are shown to form gels as well X-ray quality crystals under different conditions. The structures the gel fibers xerogels have determined by using powder single-crystal diffraction data....

On the basis of a recently demonstrated crystal engineering strategy, two hydrogen bond equipped bidentate ligands, namely, N,N′-bis-(3-pyridyl)isophthalamide L1 and N,N′-bis-(3-pyridyl)terephthalamide L2, have been exploited to generate new series ZnII-coordination polymer based metallogels. As many as 12 metallogels prepared by reaction these ligands with various ZnII halides under conditions. The gels were characterized rheology, scanning electron microscopy (SEM), powder X-ray...

Three new metal–organic frameworks, namely [Co(μ-L1)2(Cl)2]n1, [Cd(µ-L1)2(NO3)2]n2 and [{Co(μ-L1′)(H2O)4}.SO4·3(H2O)]n3 (L1 = N,N′-bis-(4-pyridyl)isophthalamide, L1′ N,N′-bis-(3-pyridyl)isophthalamide) have been synthesized characterized. The single crystal structures of 1–3 the free ligand L1 are discussed in context effect positional isomerism ligands, hydrogen bonding backbone counter anions on supramolecular structural diversities observed these MOFs. Selective crystallization sulfate...

We have demonstrated the photocatalytic efficiency of Ag/AgCl@MIL-88A(Fe) composite for degradation organic dyes and <italic>p</italic>-nitrophenol in water.

The Reaction of N,N′-bis-(3-pyridyl)ethylene-bis-urea (BPEBU) with ZnSO4 in 2 : 1 ligand metal ratio various crystallization solvents afforded four metal–organic frameworks (MOFs), namely [{Zn(H2O)3(SO4)(µ-BPEBU)}·EG·2H2O]n2, [{Zn(µ-BPEBU)2(H2O)2}.SO4·2H2O.2THF}n3, [{Zn(µ-BPEBU)2(H2O)2}·SO4·2H2O.2acetone}n4 and [{Zn(µ-BPEBU)2(H2O)2}·SO4·2H2O·2(1,4-dioxane)}n5, which were mainly characterized by single cyrstal X-ray diffraction. MOFs 3–5 are found to be isomorphous. study revealed that the...

A nanosized truncated octahedron-shaped metal–organic-polyhedron (MOP) namely [{Cu12(TMBTA)8(DMA)4(H2O)8}·8H2O·X] MOP-TO (X = 48 H2O molecules as per SQUEEZE calculation and TGA data) was successfully derived from a flexible C3-symmetric ligand (2,4,6-trimethylbenzene)-1,3,5-triacetic acid (TMBTA) Cu(NO3)2 in dimethyl acetamide (DMA) EtOH under solvothermal conditions. The nanocage well-characterized by single crystal X-ray diffraction (SXRD) electron spray ionization mass spectrometry...

Shape-memory polymer composite (SMPC) blends with thermo-responsive shape memorizing capability have received increasing interest and been a grooming research area due to their various potential applications. In this work, we report three SMPCs derived from poly(ε-caprolactone) (PCL) the polystyrene-block-polybutadiene-block-polystyrene-tri-block copolymer (SBS) encapsulated CuO, Fe2O3, CuFe2O4, namely, SMPC–CuO, SMPC–Fe2O3, SMPC–CuFe2O4, respectively. We also synthesized neat shape-memory...

The supramolecular synthon approach has been employed to synthesize noncovalently a series of low molecular mass organic gelators (LMOGs) derived from benzylammonium salts variously substituted benzoic acids. majority the (75%) prepared showed interesting gelation properties. Instant an fluid, namely methyl salicylate, was achieved at room temperature by using most gelator in situ synthesis gelators. Table top rheology and scanning electron microscopy (SEM) were used characterize gels....

Following the supramolecular synthon approach, a combinatorial library comprising 35 organic salts derived from 7 dicarboxylic acids (malonic-, succinic-, adipic-, L-tartaric-, maleic-, phthalic-, and isophthalicacid) 5 primaryalkyl amines Me-(CH2)n-NH2 (n = 11-15) was prepared scanned for gelation. About 66% of in were found to show moderate good gelling ability various polar nonpolar solvents including commercial fuels such as petrol. The majority having rigid, unsaturated anionic backbone...

A 3-fold (2D → 2D) (6,3) Borromean weave coordination polymer sustained by urea−sulfate hydrogen bonding is formed when N,N′-bis(3-pyridyl)-p-phenylenebisurea (L1) reacted with ZnSO4·7H2O, whereas the corresponding bis-amide derivative N,N′-bis(3-pyridyl)terephthalamide (L2) gave a displaying 2D corrugated sheet under identical reaction conditions; sulfate anion can be selectively separated from complex mixture of anions (sulfate, nitrate, perchlorate, and triflate) in situ crystallization...

A crystal engineering rationale was employed to generate coordination polymer based metallogels derived from a C3-symmetric tris-amide-tris-carboxylate ligand, namely N,N′,N′′-bis-(4-carboxylate) trimesicamide (L1). Reactions of L1 with various metal salts such as Cd(NO3)2, Cu(NO3)2, Co(NO3)2 and Zn(NO3)2 in pure water resulted G1, G2, G3 G4, respectively. The gels were thermo-irreversible indicating their polymeric nature. Crystallization Cd(NO3)2 MeOH–water mixture afforded the CP1,...

A conformationally flexible triazole-carboxylic acid ligand derived from an L-amino acid, namely, 4 H-1,2,4-triazol-4-yl-acetic (αHGlytrz), has been exploited to synthesize a structurally diverse and functionally intriguing metal-organic framework with CuSiF6. The crystal structure reveals novel single-walled nanotube (SWMONT), {[Cu3(μ3-OH)(H2O)3(Glytrz)3]⋅SiF6⋅8 H2O⋅X}∞ (1), (where X = disordered lattice water molecules) having pore size as large zeolites. Compound 1 was synthesized...

New surface-functionalized with bispyrazole receptor was designed for efficient removal of heavy metals. The architecture host–guest on the surface identified.

The supramolecular chemistry of the bis-imidazole ligand 1,4-bis(imidazol-1-ylmethyl)benzene, popularly known as bix, has been explored by various researchers in order to synthesize functional coordination polymers (CPs). flexibility bix ligand, its unpredictable conformation and behaviour with transition metal ions have resulted a huge number structurally diverse functionally intriguing CPs. In this perspective review we discuss progress CPs between 1997 today. More precisely, emphasizes...