20 results about "Pillararene" patented technology

The invention relates to the technical field of biological materials, in particular to a pillararene-based photoresponse MOF-based ion gating nanochannel and a preparation method thereof. According to the pillararene-based photoresponse MOF-based ion gating nano-channel, a bullet-shaped nano-channel is prepared by taking PET (Polyethylene Terephthalate) as a substrate, and the substrate can provide structural support; p5A-MOF-1 based on pillararene is used as a core functional layer, and the core functional layer can provide a stable cavity environment; a P5A-MOF-1 cavity is filled with an organic aromatic azo compound, so that the light response structure change is realized. And the effective volume of the P5A-MOF-1 cavity is regulated and controlled through the photoisomerization effect of the azo group, so that precise gating of ion transmission is achieved. The preparation method provided by the invention is simple and convenient to operate, mild and controllable in condition and beneficial to large-scale production.

The invention is applicable to the technical field of metal organic framework materials, and provides a pillararene-based metal organic framework material and a preparation method thereof.The pillararene-based metal organic framework material takes a compound PY2-P5 as a ligand, and the material is one of PMOF1, PMOF2 and PMOF3; the PMOF1 is of a Cu4I4 cubic tetramer structure; the PMOF2 is of a Cu4I4 ladder tetramer structure, and the Cu4I4 ladder tetramer structure is a And the PMOF3 has a CuI one-dimensional chain structure. By introducing the pillararene ligand and regulating and controlling the coordination mode of the pillararene ligand and cuprous iodide, the metal organic framework material with stable structure and functional characteristics is constructed, the metal organic framework material has the dual advantages of host recognition site and fluorescence signal response, and can selectively distinguish 1-bromoalkane and 2-bromoalkane; a remarkable fluorescent blue shift signal is shown in the adsorption process, so that the visualization of molecular recognition and sensing is realized; the excellent molecular recognition capability of pillararene is maintained, the stability and reusability of the material are improved through framing, and a new way is provided for selective detection and separation of volatile organic compounds.

The invention relates to the technical field of single-molecule devices and sensors, in particular to a graphene single-molecule sensing device based on pillararene as well as a preparation method and application of the graphene single-molecule sensing device. The sensor comprises a pillararene molecule, the functional molecule is covalently connected between a graphene electrode pair through nucleophilic substitution reaction or amide condensation reaction under an alkaline condition, and the stability and the conductive reliability of a molecule-electrode interface are enhanced. According to the present invention, the column aromatic hydrocarbon molecules can selectively perform inclusion on the perfluorocarboxylic acid, and the combination of different types of perfluorocarboxylic acids and the column aromatic hydrocarbon molecules can show the difference characteristic of the conductive state so as to achieve the distinguishing of different perfluorocarboxylic acids, such that the method is hopeful to be used in the detection of perfluorocarboxylic acid. Meanwhile, perfluorocarboxylic acid can be effectively desorbed through methanol treatment, and an I-V signal is recovered to an initial state, so that the device has reusability. The preparation method provided by the invention is stable in process, high in repeatability and beneficial to large-scale production.

The invention discloses macrocyclic pillararene with a structural formula shown in the specification. The invention also discloses an organic boron luminescent compound based on macrocyclic pillar arene, and the structural formula is shown in the specification; wherein R < 1 >, R < 2 >, R < 3 >, R < 4 >, R < 6 >, R < 7 >, R < 8 > and R < 9 > are any one of hydrogen, deuterium, trifluoromethyl and tert-butyl, R < 5 > and R < 10 > are hydrogen or alkyl, the alkyl contains 1-10 carbon atoms, and X is oxygen or sulfur. Macrocyclic pillararene is innovatively introduced into a boron-containing polycyclic aromatic skeleton, a rigid macrocyclic cavity of the skeleton forms a natural large-steric-hindrance group, and plane accumulation of multiple resonance molecules is hindered from the root of molecular design; according to the present invention, the TADF material is used as the main material, and is matched with the tert-butyl double large steric hindrance modification, such that the molecular steric hindrance is further increased, the intermolecular pi-pi interaction is effectively inhibited, the aggregation quenching problem caused by the high coplanarity of the traditional multi-resonance TADF material is solved, and the stability and the consistency of the luminescence property of the material in the film state are ensured;

The invention belongs to the technical field of pharmaceutical chemistry, radiopharmaceutical chemistry and clinical nuclear medicine, and particularly relates to a rotaxane protection-based radioactive halogen labeled compound as well as a preparation method and application thereof. A rotaxane protection-based radioactive halogen labeled compound comprises: a macrocyclic compound having a cavity, the macrocyclic compound comprising one of cyclodextrin, cucurbituril, calixarene and pillararene; a radioactive halogen-labeled compound: the radioactive halogen-labeled position is located in the cavity of the macrocyclic compound; and the end-capping group is positioned at the opening end of the cavity, is connected to two ends of the radioactive halogen-labeled compound and is used for preventing the radioactive halogen-labeled compound from sliding out of the cavity. The rotaxane protection-based radioactive halogen labeled compound provided by the invention has good in-vivo stability, and solves the problem of poor in-vivo stability caused by dissociation of radioactive halogen and a tracer agent in the existing radioactive halogen labeled compound.

The application discloses a D-amino acid modified pillararene compound and a preparation method and application thereof. The D-amino acid modified pillararene delivers D-amino acids to a biological membrane or cells by using pillararene as a carrier, exhibits synergistic activity of anti-biofilm and antibacterial, and is expected to be used for developing a novel anti-biofilm agent and an antibacterial drug. The compound can not only efficiently inhibit the growth of a bacterial biofilm, but also can be used in combination with an antibiotic to enhance antibacterial activity, and provides a new strategy for coping with biofilm-related infections and drug resistance.

The invention relates to nano copper paste based on pillararene host-guest interaction and a preparation method and application thereof, and belongs to the technical field of conductive copper paste. The nano copper paste based on the pillararene host-guest interaction is prepared from the following components in parts by weight: 92 to 95 parts of nano copper powder coated with a pillararene supramolecular assembly, 4 to 8 parts of resin, 2 to 6 parts of an organic solvent, 0.1 to 1 part of a thixotropic agent, 0.1 to 1 part of a dispersing agent, 0.1 to 1 part of a coupling agent and 0.1 to 1 part of other auxiliaries. The nano-copper powder coated with the pillararene supramolecular assembly is of a core-shell structure, a host-guest compound serves as a shell, and nano-copper powder serves as a core; the host-guest compound takes glycidyl methacrylate grafted pillararene as a host and benzyltrialkyl quaternary ammonium salt as a guest; and the object is connected with the surface of the nano copper powder through a coordinate bond. The nano copper paste disclosed by the invention has the characteristics of good conductivity, low sintering temperature, strong adhesive force, excellent oxidation resistance and the like.

The present application relates to the technical field of separation membrane, and particularly relates to a composite membrane based on diethanolamine functionalized pillararene and a preparation method and application thereof. Diethanolamine functionalized pillararene is designed and synthesized as a key water phase monomer for the first time. The innovative molecule simultaneously introduces a tertiary amine and a highly reactive strong hydrophilic hydroxyl group. The bifunctional design enables the pillararene and the acyl chloride monomer to form a polyester membrane on the surface of the base membrane through an interfacial polymerization reaction, thereby realizing the synergistic and precise regulation of the hydrophilicity, crosslinking density and selectivity of the membrane separation layer, and breaking through the performance bottleneck of relying only on the monofunctionality of the hydroxyl group. The composite membrane provided by the present application not only focuses on the flux and retention rate, but also takes the anti-pollution performance, high flux recovery rate and long-term running stability in actual wastewater as core evaluation indexes and optimization targets, and is directly aimed at and solves the application problems in the actual water treatment, different dye molecules and antibiotic separation processes.

The present invention relates to an amino acid-modified compound comprising a pillararene moiety, a linker having a divalent triazole ring, and an amino acid-modified group, a method for preparing the same, and a use thereof. The amino acid-modified compound of the present invention can be obtained in a simple and high-yield synthesis method, and the amino acid-modified compound is capable of spontaneously fusing into a cell membrane, exhibits high water transport efficiency and selectivity, is capable of significantly accelerating cell migration, and has excellent eardrum repair ability, and has low ototoxicity.

The present application relates to the technical field of biological materials, and particularly relates to a pillar arene-based photoresponsive MOF-based ion gate nano-channel and a preparation method thereof. The pillar arene-based photoresponsive MOF-based ion gate nano-channel is prepared by taking PET as a substrate to prepare a bullet-shaped nano-channel, the substrate can provide structural support; taking a pillar arene-based P5A-MOF-1 as a core functional layer, the functional layer can provide a stable cavity environment; filling an organic aromatic azo compound in the cavity of the P5A-MOF-1 to realize a photoresponsive structural change. The effective volume of the cavity of the P5A-MOF-1 is regulated through photoisomerization of the azo group, and then precise gating of ion transmission is achieved. The preparation method is simple in operation, mild and controllable in conditions, and is conducive to large-scale production.

The invention discloses amphiphilic pillararene and application thereof, and belongs to the technical field of chemistry. Amphiphilic column aromatic hydrocarbon with nine trimethylamine salt hydrophilic ends and a terpyridyl hydrophobic end is designed and synthesized, the amphiphilic column aromatic hydrocarbon and Mn (CO) 5Br can be self-assembled in water to form nano particles after being coordinated, and the nano particles have a potential tumor CO treatment effect.

The invention discloses a basic column aromatic hydrocarbon catalyst and application thereof in efficient catalysis of a Knoevenagel condensation reaction and a Michael addition reaction, belongs to the technical field of catalysts, and particularly discloses a basic column [5] aromatic hydrocarbon catalyst (Interdazole-P [5] A) which efficiently catalyzes aldehyde ketone and active methylene to generate a methylene malononitrile compound in the aspect of the Knoevenagel condensation reaction. In the aspect of Michael addition reaction, the catalyst efficiently catalyzes alpha, beta-unsaturated nitro or carboxyl or ester compounds and active methylene to generate corresponding addition products; meanwhile, the catalyst is also successfully applied to a'one-pot two-step method 'reaction of a Knoevenagel condensation reaction and a Michael addition reaction. According to the catalyst, the defects that a traditional alkaline homogeneous catalyst pollutes the environment and is difficult to recycle are overcome.

The invention relates to a pillararene covalent polymer as well as a preparation method and application thereof. The structure of the pillararene covalent polymer is shown as a formula I. The pillararene covalent polymer with the structure shown as the formula I is generated through reaction of bilateral hydrazide pillar [5] arene P4J1 and cyanuric chloride. Due to the porous structure and rich nitrogen sites of the polymer, the polymer has a good adsorption effect on iodine.

The application discloses a method and device for preparing single-walled carbon nanotubes based on pillar arene and metallocene host-guest interaction. The method comprises: forming a host-guest complex by allowing a host compound and a guest compound to interact; the host compound comprises a pillar arene or a derivative thereof, and the guest compound comprises a metallocene complex or a derivative thereof; allowing a mixed reaction system comprising the host-guest complex and a polymerization inhibitor to react at high temperature to obtain nanoscale catalyst particles; and then allowing the nanoscale catalyst particles to contact with a carbon source, so that the carbon source is decomposed and grown on the surface of the nanoscale catalyst particles to obtain single-walled carbon nanotubes. The method is mainly based on the strong inclusion behavior of the host compound and the guest compound, and the compatibility of the host compound is utilized to effectively improve the solubility of the metallocene in an organic solvent, prolong the decomposition time of the metallocene at high temperature, realize in-situ controllable preparation of nanoscale catalyst particles, and further improve the yield and quality of the single-walled carbon nanotubes.

This invention discloses an oxidation-responsive cationic water-soluble pillararene, a method for producing the same, and its use. The oxidation-responsive water-soluble cationic [A2]pilarene is a cyclic low-molecular-weight nucleic acid vector obtained by a quaternization reaction of a 4-methylboronic acid ester with a tertiary amine-modified pillararene. This invention achieves the synthesis of a low-molecular-weight delivery vector having a high positive charge density, which can tightly bind to negatively charged nucleic acid substances to form nanocomplexes. Upon entering a cell, the positive charge of the vector is released in an oxidative environment, the nucleic acid substance is released, and nucleic acid information is efficiently expressed. This delivery vector is easy to synthesize, has high delivery efficiency, and is biologically safe, and is expected to have promising future applications.

The present invention relates to a pillararene, a solid support, a composition, a process for removing perfluorinated acids from an aqueous stream and the use of the pillararene. The pillararene comprises n monomers independently selected from the group consisting of monomers of formula (I), or a stereoisomer, tautomer, raceme, hydrate, N-oxide or solvate thereof.

The application discloses a kind of nanodiagnosis and treatment materials based on water-soluble columnar aromatic hydrocarbon.The application designs and synthesizes a new type of columnar [5] aromatic hydrocarbon WP5, the columnar [5] aromatic hydrocarbon WP5 has water-soluble quality and contains rigid structure cavity macrocyclic molecule, can occur with porphyrin molecule host-guest complexation interaction.Using the water-soluble columnar [5] aromatic hydrocarbon WP5 and porphyrin guest molecule host-guest complexation, can realize cavity protection porphyrin compound inhibits the accumulation between porphyrin molecules, improves its stability and the ability of producing singlet oxygen, while enhancing fluorescence, and improve porphyrin compound light stability.

The invention relates to a molecular system comprising: (i) at least one dynamic constitutional framework (DCF) comprising a plurality of cores and a plurality of connectors, (ii) a plurality of functional heads, (iii) at least one pillararene and, optionally, (iv) at least one anti-infective agent; wherein each of the anti-infective agents is hosted in one of the pillararenes; wherein the cores, connectors, functional heads, and pillararenes are covalently bound together by reversible bonds; and wherein each of the cores is covalently bound to at least three from the connectors, functional heads and pillararenes. The invention also relates to a pharmaceutical composition or medicament comprising the molecular system. The invention also relates to the molecular system for use in the treatment of an infectious disease such as a bacterial disease, preferably a disease caused by Acinetobacter baumannii bacteria.

This invention discloses a method for preparing a column aromatics-grafted cyclodextrin bicyclic chiral packing material and its application in the separation of chiral pesticides. This packing material separates brominated column aromatics from... β -Aminopropyl cyclodextrin is covalently grafted onto aminopropyl silica gel to form a bicyclic macrocyclic structure with multiple chiral recognition sites. The preparation process includes the catalytic condensation synthesis of brominated columnar aromatics and the bicyclic macrocyclic bonding reaction on the silica gel surface. This packing material exhibits high selectivity, multi-mode compatibility (can be used in both normal and reverse phases), and excellent stability. It is particularly suitable for the enantiomeric resolution of triazoles (propiconazole, triadimefon) and esters (clodinafop-propargyl), providing an efficient separation tool for the environmental behavior study and safety evaluation of chiral pesticides. This invention features a simple process and low cost, solving the problems of insufficient selectivity and narrow solvent applicability of existing chiral packing materials, and has the potential for industrial application.

The present application provides a kind of formula I shows that the pillar aromatic double phosphite ligand and its preparation method and application, and the outer rim of pillar aromatic bonding phosphorus compound is prepared pillar aromatic double phosphite compound, can be used as novel ligand of homogeneous metal catalyst, for olefin hydrocyanation etc. Organic reaction. The catalyst prepared using the ligand of the present application is used for the preparation of nitrile, not only high catalytic activity, high yield, and the position selectivity of product is high, it is advantageous to obtain the product of anti-masashi linear addition.