949 results about "Adamantane" patented technology

Mixed carbocycle derivatives containing at least two carbocycles per molecule from the group of anthracenes, adamantanes and steroids with functionalized carbon chains are synthesized and used as modifiers of resist properties and especially etch resistance enhancement and absorption characteristics. These derivatives are characterized by formulas I-V, where A and R may be an anthryl- and/or an adamantyl- and/or a steroid moiety. Methods for the preparation of the above compounds are disclosed.

Novel positive-working photoresist compositions are disclosed. The monomers of the base resin of the resist contain diamondoid-containing pendant groups higher than adamantane in the polymantane series; for example, diamantane, triamantane, tetramantane, pentamantane, hexamantane, etc. The diamondoid-containing pendant group may have hydrophilic-enhancing substituents such as a hydroxyl group, and may contain a lactone group. Advantages of the present compositions include enhanced resolution, sensitivity, and adhesion to the substrate.

The invention provides novel adamantane compounds having one of the following formulas:

• • wherein:
  • R₁ and R₃ are H, OH, alkyl, cycloalkyl, amino or aryl, and can be the same or different;
  • R₂ is H, NH₂, alkyl, OH, COOH, amino, amide, or carbamate;
  • R₄-R₈ are H, OH, NH₂, alkyl, OH, COOH, ester, amino, amide, or alkyloxy, and can be the same or different;
  • R₉-R₁₄ are H, alkyl, or phenyl, and can be the same or different;
  • and wherein when any of R₁-R₈ is amino, the compounds are the free bases and their acid addition salts.

The present invention also relates to compositions and methods for treating and/or preventing neurological and inflammatory disorders in a patient by administering a therapeutically effective amount of the compounds of formula (I), (II) or (III) and a pharmaceutically acceptable carrier.

The organic electroluminescent compounds according to the present invention are represented by Chemical Formula (1):

The present invention relates to a novel photoresist composition sensitive to radiation in the deep ultraviolet and a process for imaging the composition. The photoresist composition comprises a) a novel polymer that is insoluble in an aqueous alkaline solution and comprises at least one acid labile group, and b) a compound capable of producing an acid upon irradiation. The novel polymer of the present invention comprises at least one unit with a bisester group, (—C(O)OWC(O)O—), attached on one side to a polymer backbone unit (A) comprising an aliphatic group, and attached on the other side to an adamantyl group. The invention also relates to the novel polymer and a novel monomer for obtaining the novel polymer.

An ink composition is provided that includes (A) an N-vinyllactam, (B) a monomer represented by Formula (I), and (C) a radical polymerization initiator, or includes (A) an N-vinyllactam, (B) a monomer represented by Formula (II), (C) a radical polymerization initiator, and phenoxyethyl acrylate.

(In Formula (I) and Formula (II), R¹ denotes a hydrogen atom, a halogen atom, or an alkyl group having 1 to 4 carbons, X¹ denotes a divalent linking group, R² and R³ independently denote a substituent, k denotes an integer of 1 to 6, q and r independently denote an integer of 0 to 5, n denotes a cyclic hydrocarbon structure, the cyclic hydrocarbon structure may comprise in addition to hydrocarbon bonds a carbonyl bond (—C(O)—) and/or an ester bond (—C(O)O—), and the k R¹s, the k X¹s, the q R²s, and the r R³s may each be identical to or different from each other; furthermore, one carbon atom in the adamantane framework in Formula (I) may be replaced by a carbonyl bond (—C(O)—) and/or an ester bond (—C(O)O—), and one carbon atom in the norbornene framework in Formula (II) may be replaced by an ether bond (—O—) and/or an ester bond (—C(O)O—).) There are also provided an inkjet recording method, a printed material, and a process for producing a lithographic printing plate that employ the ink composition.

The invention discloses a preparation method of a double-sensitivity cyclodextrin supermolecule aggregate, belonging to the technical field of functional materials. The preparation method comprises the following steps of preparing a host molecule-photosensitive 4-hydroxycinnamic acid-cyclodextrin (4HCA-CD) by using 4-hydroxycinnamic acid (4HCA) to modify beta-cyclodextrin (beta-CD); using trithioester with adamantine (AD) at tail end as a chain transfer agent, and preparing temperature-sensitive object polymer-double-arm adamantine-poly(N-isopropyl acrylamide)-adamantine (AD-PNIPAM-AD) by using a reversible addition-fragmentation chain transfer free radical polymerization (RAFT) method; constructing a double-sensitivity supermolecule inclusion complex 4HCA-CD/AD-PNIPAM-AD by utilizing comprehensive performance of a beta-CD dewatering cavity and AD; and self-assembling the 4HCA-CD/AD-PNIPAM-AD to form the supermolecule aggregate which is capable of realizing reversible conversion in shape and size by changing light and temperature. The supermolecule aggregate prepared by the preparation method disclosed by the invention has good light/temperature double sensitivities and is capable of carrying out smart response onto external stimulus, so that the supermolecule aggregate has a wide application prospect in the fields of drug loading, controlled release, and the like.

The invention discloses a graphene/hyaluronic acid assembly taking cyclodextrin as a medium. The graphene/hyaluronic acid assembly is a nano supermolecule assembly synthesized based on beta-cyclodextrin-modified graphene and adamantine-modified hyaluronic acid, wherein graphene is modified by beta-cyclodextrin; by virtue of strong host-guest interaction between beta-cyclodextrin and adamantine, graphene and hyaluronic acid are combined together to form the supermolecule assembly. The graphene/hyaluronic acid assembly has the advantages that the supermolecule assembly greatly improves stability and biocompatibility of the cyclodextrin-modified graphene under physiological conditions; by utilizing targeted recognition action of hyaluronic acid on tumor cells, the supermolecule assembly can selectively kill the cancer cells, and has anti-cancer activity higher than that of pure drug camptothecin; the targeted drug transmission system is simple in preparation process, easy to implement and low in material cost, and has potential application prospect in clinic treatment of cancers.

Novel substituted benzamide based inhibitors, their use in therapy, pharmaceutical compositions comprising the compounds, the use of said compounds in the manufacture of medicaments, and therapeutic methods comprising the administration of said compounds are described. The present compounds modulate the activity of 11β-hydroxysteroid dehydrogenase type 1 (11βHSD1) and are accordingly useful in the treatment of diseases in which such a modulation is beneficial, such as the metabolic syndrome.

A liquid crystal composition that includes a polymerizable compound having a high solubility, a composition obtained by polymerizing the polymerizable compound in the liquid crystal composition, and an AM device including any of the compositions are described. The liquid crystal composition has negative dielectric anisotropy, and includes at least one compound selected from the group of compounds represented by formula (1):

wherein P¹ and P² are polymerizable groups, and, for example, ring A and ring B are independently an adamantane ring or a noradamantane ring, Z¹, Z² and Z³ are a single bond, and a, b and c are 1.

A polymeric network comprises a plurality of monomers that include a cage compound with at least three arms, wherein at least one of the arms has two or more branches, and wherein each of the branches further comprises a reactive group. Monomers in contemplated polymeric networks are covalently coupled to each other via the reactive groups. Particularly contemplated cage compounds include adamantane and diamantane, and especially contemplated branched arms comprise ortho-bis(phenylethynyl)phenyl. Especially contemplated polymeric networks have a dielectric constant of no more than 3.0, and are formed on the surface of a substrate.

A polymerizable compound having a fluorinated substituent (Z) represented by the general formula (1), an adamantane structure and a polymerizable group (A) having the structure represented by the general formula (1), a production method thereof, and a photoresist composition, a thermocurable resin composition and a photocurable resin composition containing a polymer obtained using the polymerizable compound are provided. Use of the polymerizable compound with the adamantane structure and a resin composition thereof in the present invention provides in the field of photolithography the effect of preventing a liquid immersion medium from penetration and improving dry etching resistance in a liquid immersion exposure method as well as reducing adhesion to a mold and improving dry etching resistance in a nanoimprint method.

The invention relates to a comprehensive two-dimensional gas chromatography method for quantitatively determining diamondoid hydrocarbons in petroleum sample. The method comprises the steps of (1) preparing to-be-detected sample; (2) analyzing the to-be-detected sample with comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry (GC*GC-TOFMS) to obtain peak information of diamondoid hydrocarbons in the to-be-detected sample; (3) analyzing the to-be-detected sample with comprehensive two-dimensional gas chromatography-hydrogen flame ionization detector (GC*GC-FID) to obtain GC*GC-FID spectrogram of the to-be-detected sample; according to the peak information obtained in step (2), determining peak positions of diamondoid hydrocarbons and D16-adamantane in the GC*GC-FID spectrogram, and obtaining their peak area integration results; and (5) calculating according to internal standard method to obtain quantitative results of diamondoid hydrocarbons. The method is suitable for quantitative determination of diamondoid hydrocarbons in all crude oil and rock extract samples.

The invention belongs to a novel pharmaceutical preparation form and the novel technical field, specifically relates to a hyaluronic acid- cyclodextrin-adamantane polyethylene glycol carrier as well as a preparation method and application thereof, and simultaneously provides a nano drug delivery system which is self-assembled by taking hyaluronic acid-cyclodextrin-adamantane polyethylene glycol as the carrier and utilizing clathration force of the cyclodextrin to cover hydrophobic guest molecules. The hyaluronic acid- cyclodextrin-adamantane polyethylene glycol carrier has the advantages that the nano drug administration system not only can passively transmit drugs to tumor tissues by virtue of an EPR (Ethylene-Propylene Rubber) effect, but also can improve an anti-tumor effect of the drugs by virtue of a tumor-targeting effect of the hyaluronic acid. PEG (Polyethylene Glycol) molecules on the surface can be effectively prevented from being absorbed by a reticuloendothelial system, and in-vivo circulating time can be prolonged.

The present invention provides a method for producing amine series with an adamantane framework, including the following steps: step 1: reacting adamantane series in a mixed liquid containing oleum and organic nitrile compounds; step 2: performing hydrolyzing treatment to a reaction liquid obtained in the step 1 to form acidamide series with the adamantane framework; step 3: performing alkali treatment to the acidamide series obtained in the step 2 to form the amine series with the adamantane framework. A method for producing quaternary ammonium salts with the adamantane framework in sequence includes the following steps: step A: reacting the amine series with the adamantane framework dissolved in a dissolvant a with aminic acid and methylene oxide or paraformaldehyde, to form dimethylamine series with the adamantane framework; step B: dissolving the dimethylamine series with the adamantane framework obtained in the step A in a dissolvant b to react with halomethane so as to form quaternary ammonium salt halogenide with the adamantane framework; step C: performing ion exchange to the quaternary ammonium salt halogenide with the adamantane framework to form quaternary ammonium salt hydroxides with the adamantane framework.