|| List of recent Alkyne-related patents
|Homomultivalent and heteromultivalent inhibitors of prostate specific membrane antigen (pmsa) and uses thereof|
The present invention provides bivalent and multivalent ligands with a view to improving the affinity and pharmacokinetic properties of a urea class of psma inhibitors. The compounds and their synthesis can be generalized to multivalent compounds of other target antigens.
|Non-aqueous organic electrolyte additive, method for preparing non-aqueous organic electrolyte additive, non-aqueous organic electrolyte, and lithium-ion secondary battery|
A non-aqueous organic electrolyte additive is formulated by formula (i), where r is halogen or r is one of: a c1-c10 alkyl group, a c1-c10 alkene group, a c1-c10 alkyne group, a c1-c10 alkoxy group, a halogen-containing c1-c10 alkyl group, a halogen-containing c1-c10 alkene group, a halogen-containing c1-c10 alkyne group and a halogen-containing c1-c10 alkoxy group. The non-aqueous organic electrolyte additive is oxidized and decomposed before an organic solvent in a high-voltage lithium-ion secondary battery, thereby forming a protection film that facilitates conduction of li+ on a surface of an anode active material, increasing cyclic performance of a lithium-ion secondary battery at a high voltage, and achieving good stability.
|Method for characterizing the stability of foulants and/or efficacy of foulant inhibitors within petroleum-based fluids|
A petroleum-based fluid sample may be centrifuged in a centrifuge vial where a light may be passed through the petroleum-based fluid sample to identify an amount of transmitted light at two or more time intervals. The stability of the foulant(s) and/or efficacy of the foulant inhibitors to prevent the destabilization of the foulants may be determined by comparing a change in the amounts of transmitted light through the petroleum-based fluid sample.
|Silicon oxide nanopore wetting and stabilization by molecular coating|
Wherein n is an integer from 1 to 12; r2 and r3 are each independently a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, or a tert-butyl group; and r4 is a chloride, a carboxylic acid group, an amine group, an amide group, a thiol group, an alcohol group, an acyl chloride group, an acyl bromide group, an acyl iodide group, an alkene group, an alkyne group, or a polyether group. Also disclosed are methods for making, wetting, and operating the nanopore device..
|Tridentate pincer ligand supported metal-alkylidyne and metallacycloalkylene complexes for alkyne polymerization|
Tridentate pincer ligand supported metal complexes are formed where the complex is a trianionic pincer ligand supported metal-alkylidyne complex or a tetra-anionic pincer-ligand supported metallacycloalkylene complex formed by addition of an alkyne to the trianionic pincer ligand supported metal-alkylidyne complex. The tridentate pincer ligand supported metal complex that includes a group 5-7 transition metal and an oco trianionic pincer ligand or an alkyne adduct thereof and methods of preparing the complexes are disclosed.
|N-thio-anthranilamide compounds and their use as pesticides|
The present invention relates to n-thio-anthranilamide compounds of the formula (i), the stereoisomers, the salts, the tautomers and the n-oxides thereof, wherein r1 is hydrogen, c1-c6-alkyl or c3-c8-cycloalkyl; r2 is hydrogen, halogen or cyano; r3 is hydrogen, c1-c6-alkyl, c1-c6-haloalkyl, c2-c6-alkenyl or the like; r4 is halogen or c1-c6-haloalkyl; r5 is an optionally substituted c1-c10-alkyl, c3-c8-cycloalkyl, c2-c10-alkenyl, c2-c10-alkynyl, phenyl, heterocyclic ring or the like; l is an optionally substituted c1-c8-alkanediyl, c2-c8-alkenediyl, c2-c8-alkynediyl, c3-c8-cycloalkanediyl or the like; g is an optionally substituted c3-c8-cycloalkyl, phenyl, heterocyclic ring or the like; and k is 0 or 1. The present invention further relates to a method for combating or controlling invertebrate pests, to a method for protecting plant propagation material and/or the plants which grow therefrom, to plant propagation material comprising at least one compound according to the present invention, to a method for treating or protecting an animal from infestation or infection by parasites, to a process for the preparation of a composition for treating infested or infected animals and/or for protecting animals against infestation or infection by parasites, and to a compound according to the invention for use as a medicament..
|Synthesis of trithiocarbonates and allyl sulfides and their application into advances in covalent adaptable networks|
Monomers having a c-b-a-b-c structure are disclosed, where a is a core of either trithiocarbonate and allyl sulfide, where b are linker units, and where c are end units. The end units may comprise acrylates, methacrylates, alcohol(s), amine(s), and alkynes, among others.
|Partitioned reaction vessels|
In view of the needs of the art, the present invention provides a reaction vessel having two distinct compartments, for separating solid-supported reagents. The present invention also provides a method to perform two step radiochemistry procedures in one reactor in a clean and 10 efficient manner.
|Method for continuous nucleophilic addition to activated carbon-carbon multiple bonds|
The invention relates to a method for continuous production of reaction products by addition reactions based on a michael reaction, wherein at least one compound (b) having at least one nucleophilic functional group is added to at least one compound (a) having at least one activated alkene or activated alkyne carbon-carbon multiple bond, wherein the reaction takes place in a reaction mixing pump.. .
|Heterogeneous copper nanocatalyst and manufacturing methods thereof|
This invention relates to a heterogeneous copper nanocatalyst composed of copper nanoparticles immobilized on a boehmite support, a method of preparing the same, and the use thereof. The copper nanocatalyst composed of the copper nanoparticles supported on boehmite exhibits excellent performance in a huisgen cycloaddition reaction and an a3 coupling reaction of aldehyde, amine and alkyne.
|Method and device for high density data storage|
A local probe storage array is provided that includes a substrate, and a polymeric layer over the substrate, the polymeric layer comprising a crosslinking agent that has been cured, the crosslinking agent comprising at least three alkyne groups.. .
|Methods for the selective sequestration of alkyne-presenting molecules and related compositions and methods|
Provided herein are methods for sequestering an alkyne-presenting molecule in a sample and related sequestration reagents, compositions, methods and systems.. .
|Atomic layer deposition of films comprising si(c)n using hydrazine, azide and/or silyl amine derivatives|
Provided are methods for the deposition of films comprising si(c)n via atomic layer deposition processes. The methods include exposure of a substrate surface to a silicon precursor and a co-reagent comprising a compound selected from the group consisting of n═n═n—r, r2n—nr2, and (r3si)qnh3-q, wherein q has a value of between 1 and 3, and each r is independently selected from organosilicons, c1-c6 substituted or un-substituted alkanes, branched or un-branched alkanes, substituted or un-substituted alkenes, branched or un-branched alkenes, substituted or un-substituted alkynes, branched or un-branched alkynes or substituted or un-substituted aromatics..
|Methods for the selective detection of alkyne-presenting molecules and related compositions and systems|
Provided herein are methods for selectively detecting an alkyne-presenting molecule in a sample and related detection reagents, compositions, methods and systems.. .
|Methods for the selective detection of alkyne-presenting molecules and related compositions and systems|
Provided herein are methods for selectively detecting an alkyne-presenting molecule in a sample and related detection reagents, compositions, methods and systems.. .
|Covalent modification of biological macromolecules|
The present disclosure provides a method of covalently modifying a biological macromolecule, the method comprising subjecting a reaction mixture comprising: (a) a biological macromolecule comprising one or more thiol groups; and (b) a molecule comprising one or more olefin or alkyne moieties to a radical reaction under conditions sufficient to produce the covalently modified biological macromolecule. The present disclosure also provides a method of covalently modifying a biological macromolecule, the method comprising subjecting a reaction mixture comprising: (a) a molecule comprising one or more thiol groups; and (b) a biological macromolecule comprising one or more olefin or alkyne moieties to a radical reaction under conditions sufficient to produce the covalently modified biological macromolecule.
|Methods for depositing films comprising cobalt and cobalt nitrides|
Wherein each r is independently c1-c6 substituted or un-substituted alkanes, branched or un-branched alkanes, substituted or un-substituted alkenes, branched or un-branched alkenes, substituted or un-substituted alkynes, branched or un-branched alkynes or substituted or un-substituted aromatics, l is a coordinating ligand comprising a lewis base.. .
|Microporous polymers, methods for the preparation thereof, and uses thereof|
A method for preparing a conjugated microporous polymer comprises the coupling of an alkynyl aryl monomer having a plurality of terminal alkyne groups with an iodo- or bromo-aryl monomer having a plurality of halogen atoms in the presence of a palladium (0) catalyst. The conjugated microporous polymer comprises nodes comprising at least one aryl unit and struts comprising at least one alkyne unit and at least one aryl unit, wherein a node is bonded from its aryl unit or units to at least two struts via alkyne units.
|Novel anionic polymerization initiator, use thereof for synthesizing a diene elastomer having an alkyne function at the chain end, and funcionalized diene elastomer|
The use of such a polymerization initiator makes possible the synthesis of a diene elastomer bearing, at one or each of its chain ends, a group comprising an alkyne functional group with a high degree of functionalization.. .
|Piperidinyl alkyne orexin receptor antagonists|
The present invention is directed to piperidinyl alkyne compounds which are antagonists of orexin receptors. The present invention is also directed to uses of the piperidinyl alkyne compounds described herein in the treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved.
|Process for the preparation of benzodithiophene compounds|
The present invention relates to a process for the preparation of benzodithiophene compounds which comprises reacting a derivative of 3,3′-bithiophene with at least one internal alkyne. Said benzodithiophene compounds can be suitably functionalized and polymerized to give electron-donor compounds which can be used in photovoltaic devices such as, for example, photovoltaic cells, photovoltaic modules, solar cells, solar modules, on both rigid and flexible supports.
|Alkyne derivatives as sphingosine 1-phosphate (s1p) receptor modulators|
The present invention relates to alkyne derivatives, processes for preparing them, pharmaceutical compositions containing them and their use as pharmaceuticals as modulators of sphingosine-1-phosphate receptors.. .
|Nanoparticles, compositions, manufacture and applications|
There are disclosed energetic nanoparticle compositions and materials containing silicon and other energetic elements, and methods of manufacturing the same, including reacting silicon nanoparticles and unsaturated alkene or alkyne to form covalently bonded surface coatings passivated against surface oxidation, for combination with a fuel, explosive or oxidizer.. .
|Electrochemical co-production of chemicals utilizing a halide salt|
The present disclosure includes a system and method for co-producing a first product and a second product. The system may include a first electrochemical cell, at least one second reactor, and an acidification chamber.
|Cmp compositions and methods for suppressing polysilicon removal rates|
The present invention provides a chemical-mechanical polishing (cmp) composition suitable for polishing a silicon nitride-containing substrate while suppressing polysilicon removal from the substrate. The composition comprises abrasive particles suspended in an acidic aqueous carrier containing a surfactant comprising an alkyne-diol, an alkyne diol ethoxylate, or a combination thereof.
|Dental restorative materials based on polymerizable azides and alkynes|
The invention also relates to the use of the dental restorative materials according to the invention for preparing dental composites, preferably composite blanks, which are suitable in particular for mechanical processing by means of computer-aided processing techniques such as milling and grinding processes, and which are suitable above all for preparing dental restoration materials such as inlays, onlays, crowns, bridges or veneering materials.. .
|Polymer hydrogels for in vivo applications and methods for using and preparing same|
Compositions and methods are described for a polymer hydrogel created by a cycloaddition reaction between an azide and an alkyne that proceeds rapidly without catalyst to produce the polymer hydrogel in less than ninety seconds. The polymer hydrogel can be used in in vivo applications for the localized delivery of therapeutic agent in aqueous solutions.
|D-amino acid derivative-modified peptidoglycan and methods of use thereof|
The present disclosure provides modified bacteria and modified peptidoglycan comprising modified d-amino acids; compositions comprising the modified bacteria or peptidoglycan; and methods of using the modified bacteria or peptidoglycan. The modified d-amino acids include a bioorthogonal functional group such as an azide, an alkyne or a norbornene group.
A photochromic compound is provided, which may be a pyran, an oxazine, or a fulgide. The photochromic compound has at least one substituent q attached thereto, each q independently being —n3, —cn, —coor′, —ccr′, —c(r′)c(r′)r′, —ocor′, —ocoor′, —sr′, —oso2r′″, and/or —con(r′)r′, wherein each r′ is hydrogen, an unsubstituted or substituted alkyl group having from 1 to 18 carbon atoms; an unsubstituted or substituted aryl group, an unsubstituted or substituted alkene or alkyne group having from 2 to 18 carbon atoms, wherein the substituents are halo or hydroxyl and r′″ is —cf3 or a perfluorinated alkyl group having from 2 to 18 carbon atoms.
|Organoactinide-, organolanthanide-, and organogroup-4-mediated hydrothiolation of terminal alkynes with aliphatic, aromatic and benzylic thiols|
An efficient and highly markovnikov selective organoactinide-, organolanthanide-, and organozirconium-catalyzed addition of aryl, benzyl, and aliphatic thiols to terminal alkynes is described. The corresponding vinyl sulfides are produced with little or no side-products..
|Alkyne-assisted nanostructure growth|
The present invention relates to the formation and processing of nanostructures including nanotubes. Some embodiments provide processes for nanostructure growth using relatively mild conditions (e.g., low temperatures).
|Alkyne substituted quinazoline compound and methods of use|
The invention provides alkyne substituted quinazoline compounds, such as compounds of the formula (i), which are irreversible erbb kinase inhibitors. The compounds are useful in the treatment of diseases and disorders where erbb kinase activity is implicated such as a hyperproliferative disorder (e.g., cancer)..
|Method for site-specific polyvalent display on polymers|
The present invention relates to novel complex peptidomimetic products comprising multiple homogeneous or heterogeneous pendant groups that are site-specifically positioned along a linear oligomer or polymer scaffold and methods of making thereof. More specifically, the invention relates to n-substituted glycine peptoid oligomers or peptoids and their use as substrates for azide-alkyne [3+2]-cycloaddition conjugation reactions and subsequent additional rounds of oligomerization and cycloaddition.
|Methods for preparing deuterated 1,2,3-triazoles|
This disclosure relates to a method that involves reacting an azide with an alkyne in the presence of deuterated water and a copper-containing catalyst, thereby forming a deuterated 1,2,3-triazole.. .
|Enzyme inhibiting compounds and methods|
The invention provides compounds, compositions, and methods for studying the rohmer pathway and for treating bacterial infections or parasitic infections. The parasitic infection can be a protozoan infection, such as malaria.
|Photoinitiated olefin methathesis polymerization|
The present invention provides photosensitive compositions and methods of patterning a polymeric image on a substrate, said methods comprising; (a) depositing a layer of photosensitive composition of any one of claims 15 to 22 on the substrate; and (b) irradiating a portion of the layer of photosensitive composition with a light comprising a wavelength in a range of from about 220 to about 440 nm. The invention also relates to methods of metathesizing an unsaturated organic precursor comprising irradiating fischer-type carbene ruthenium catalysts with at least one wavelength of light in the presence of at least one unsaturated organic precursor so as to metathesize at least one alkene or one alkyne bond..
|Cellulose ethers having reactive anchor group, modified cellulose ethers obtainable therefrom and methods for the preparation thereof|
Non-ionic water-soluble cellulose ethers modified with 3-azido-2-hydroxypropyl groups bound via an ether link are provided having a molar degree of substitution msahp in the range from 0.001 to 0.50. Exemplary cellulose ethers are alkyl celluloses, including methyl, hydroxyalkyl (e.g.
|Alkyne benzotriazole derivatives|
The present invention is directed to alkyne benzotriazole derivatives which are potentiators of metabotropic glutamate receptors, particularly the mglur2 receptor, and which are useful in the treatment or prevention of neurological and psychiatric disorders associated with glutamate dysfunction and diseases in which metabotropic glutamate receptors are involved. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which metabotropic glutamate receptors are involved..
|Copper-catalysed ligation of azides and acetylenes|
A copper catalyzed click chemistry ligation process is employed to bind azides and terminal acetylenes to provide 1,4-disubstituted 1,2,3-triazole triazoles. The process comprises contacting an organic azide and a terminal alkyne with a source of reactive cu(i) ion in human blood plasma to form by cycloaddition a 1,4-disubstituted 1,2,3-triazole.
|High efficiency processes for olefins, alkynes, and hydrogen co-production from light hydrocarbons such as methane|
High efficiency processes for producing olefins, alkynes, and hydrogen co-production from light hydrocarbons are disclosed. In one version, the method includes the steps of combusting hydrogen and oxygen in a combustion zone of a pyrolytic reactor to create a combustion gas stream, transitioning a velocity of the combustion gas stream from subsonic to supersonic in an expansion zone of the pyrolytic reactor, injecting a light hydrocarbon into the supersonic combustion gas stream to create a mixed stream including the light hydrocarbon, transitioning the velocity of the mixed stream from supersonic to subsonic in a reaction zone of the pyrolytic reactor to produce acetylene, and catalytically hydrogenating the acetylene in a hydrogenation zone to produce ethylene.
|Compositions and methods for modification of biomolecules|
Provided are modified cycloalkyne compounds; and methods of use of such compounds in modifying biomolecules. Embodiments include a cycloaddition reaction that can be carried out under physiological conditions.
|Covalently cross linked hydrogels and methods of making and using same|
A thiol-yne polymeric material and methods for producing said polymers are disclosed. The material is produced by the radically mediated polymerization of monomers having alkyne and thiol functional groups.
|Solution phase polydiacetylene synthesis by alkyne metathesis|
The present disclosure provides compositions for alkyne metathesis catalysts and methods for preparing enediynes and alkyne metathesis catalysts. The disclosure also provides methods for catalyzing alkyne metathesis reactions and polymerization of enediyne substrates to polydiacetylenes in solution-phase..
|Method for hydroformylation of unsaturated compounds|
The invention relates to a method for hydroformylation of unsaturated compounds such as olefins and alkynes using mixtures of synthesis gas (co/h2), in which either the unsaturated compounds and a catalyst are heated to a reaction temperature of 60 to 200° c. And the synthesis gas is then added, or the unsaturated compounds and the catalyst are brought into contact with pure co at normal temperature in a preformation step, then are heated to reaction temperature and on reaching the reaction temperature the co is replaced by the synthesis gas.
|Dendrimers with interior and exterior functionalities comprising of azide or alkyne groups for post-functionalization by huisgen click cycloaddition|
A dendritic structure includes a core and repeating units, wherein the repeating units comprise units of the type abxcy, wherein x is 2, 3, or 4, wherein y is 1, 2, or 3, wherein c is selected from the group consisting of azides and alkynes, and wherein every repeating unit is bound to at least one other unit with at least one bond selected from the group consisting of the group consisting of an ester, an amide, a thioether, an ether, a urethane, an amine, and an imine. Advantages include that a “one-pot” growth of the dendritic structure is possible.
|Umsymmetrical bisazides for chemoselective sequential ligation|
Unsymmetrical bisazides containing chelating and non-chelating azido groups undergo chemoselective three-component copper(i)-catalyzed azide-alkyne conjugation reactions with two different alkyne molecules. In conjunction with the reactivity gap between aromatic and aliphatic alkynes, a bistriazole molecule can be generated with an excellent regioselectivity by mixing two alkynes and a bisazide in a single reaction container.
|Process for desulphurization of petroleum oil|
A process for desulphurization of petroleum oil, comprising the step of diluting the feed oil with a suitable organic solvent prior to the desulphurization reaction, is disclosed. The organic solvent is selected from alkanes, alkenes, cyclic alkenes and alkynes, and particularly selected from n-hexane, cyclohexane, heptane, pentene, hexene, heptene, octene, toluene and xylene.
|Process for preparing a propiolic acid or a derivative thereof|
The invention relates to a process for preparing a propiolic acid or a derivative thereof by reacting a terminal alkyne with carbon dioxide, which comprises performing the reaction in the presence of a base and a copper complex, especially a copper (i) complex having at least one ligand, at least one of the ligands of the copper complex being selected from monodentate ligands which have an aminic or iminic nitrogen atom capable of coordination with copper, and polydentate ligands having at least two atoms or atom groups which are capable of simultaneous coordination with copper and are selected from nitrogen, oxygen, sulfur, phosphorus and carbene carbon.. .
|Metal-organic framework materials with ultrahigh surface areas|
A metal organic framework (mof) material including a brunauer-emmett-teller (bet) surface area greater than 7,010 m2/g. Also a metal organic framework (mof) material including hexa-carboxylated linkers including alkyne bond.
|New (triorganosilyl)alkynes and their derivatives and a new catalytic method for obtaining new and conventional substituted (triorganosilyl)alkynes and their derivatives|
The present invention relates to new (triorganosilyl)alkynes and their derivatives having general formula 1 r1—c≡c—z (i) in its second aspect, this invention relates to a new selective method for the preparation of new and conventional (triorganosilyl)alkynes and their derivatives having the general formula 1, by the silylative coupling of terminal alkynes with halogenotriorganosilanes in the presence of an iridium catalyst and a tertiary amine.. .
|Metal complexes, their application and methods of carrying out of metathesis reaction|
This disclosure relates to new metal complexes, such as compounds of formula 1, and their application in olefin or alkyne metathesis and to methods of carrying out olefin metathesis reactions.. .
|Compositions and methods for modification of biomolecules|
The present invention provides modified cycloalkyne compounds; and method of use of such compounds in modifying biomolecules. The present invention features a cycloaddition reaction that can be carried out under physiological conditions.
|Bioconjugation using bifunctional linkers|
A bifunctional linker and method of use is provided that has a spacer molecule with a functional group on one end configured to couple to the surface of a substrate and a function group on the other end that is configured couple to a biomolecule and methods of use. The preferred bifunctional linker has a poly(ethylene glycol) spacer ranging from 3 to 20 ethylene glycol units that has a silane functional group to react with a substrate and an azide functional group that can couple to a biomolecule that includes an alkyne group.
|M13 bacteriophage as a chemoaddressable nanoparticle for biological and medical applications|
Reactive and modified m13 bacteriophages, and methods of making and using the same, are generally provided. The reactive m13 bacteriophage can include a alkyne functional group covalently attached to the m13 bacteriophage.
|Synthesis of treprostinil and intermediates useful therein|
Treprostinil is prepared by a process which involves pauson-khan cyclization of an an alkene-substituted, alkyne-substituted benzene corresponding to formula: (i) where pmb represents para-methoxy benzyl protecting group and r1 and r2 are alcohol protecting groups. Following cyclization, the resulting compound can be subjected to several chemical trans-formations followed by alkylation, hydrolysis and salt formation to yield treprostinil sodium.
|1,2,3-triazole containing artemisinin compounds and process for preparation thereof|
The present invention relates to 1,2,3-triazole containing artemisinin compounds and process for preparation thereof. Described herein is the synthesis, bioassay results and usefulness of the artemisinin derived compounds resulting from 1,3-di-polar cycloaddition reaction of artemisinin derived azide or alkyne with aliphatic or aromatic diazides.
|Clog resistant insect control formulations having terminal diyne acetylenic hydrocarbon and pyrethrin|
Disclosed are pyrethrin-based insect control compositions which have been formulated to reduce wick clogging. An acetylenic hydrocarbon having at least two terminal alkyne groups, such as 1,8-nonadiyne, together with an antioxidant such as dilauryl thiodipropionate, are used to reduce clogging caused by components of pyrethrum extract..
|Photoinduced alkyne-azide click reactions|
The present invention includes a composition comprising an alkyne-based substrate, an azide-based substrate, a cu(ii) salt and a photoinducible reducing agent. The present invention further includes a method of immobilizing a chemical structure in a given pattern onto a section of the surface of a solid substrate, using the photoinducible cu(i)-catalyzed azide-alkyne cycloaddition click reaction..
|Method for producing optically active fluorine-containing oxeten|
A method for producing an optically active fluorine-containing oxeten, the method being provided to include the steps of causing a fluorine-containing α-ketoester and an internal alkyne to react with each other in the presence of a transition metal complex that has an optically active ligand.. .
|Methods including latent 1,3-dipole-functional compounds and materials prepared thereby|
Methods that include latent 1,3-dipole-functional compounds are disclosed herein. The latent 1,3-dipole-functional compound (e.g., an oxime) can be used to form an active 1,3-dipole-functional compound (e.g., a nitrile oxide) that can be used to react with a cyclic alkyne in a dipolar cycloaddition reaction..
|Preparation of sensors on oligo- or poly (ethylene glycol) films on silicon surfaces|
A sensor that includes a) a silicon (si) substrate having a surface; and b) a monolayer of oligoethylene glycol (oeg) bonded to the surface via silicon-carbon bonds. Regions of the oeg monolayer distal to the surface are functionalized with a molecular probe serving as a recognition element for a bioanalyte.
|Spiroannulated nucleosides and process for the preparation thereof|
We claim a simple strategy for the synthesis of a collection of c(3′)-spirodihydroisobenzo- furannulated and c(3′)-spirodihydroisobenzo-furannulated nucleosides featuring a [2+2+2]-cyclotrimerization as the key reaction. The cyclotrimerization reactions are facile with the unprotected nucleosides having a diyne unit.
|Methods for labeling a substrate having a plurality of thiol groups attached thereto|
Methods for derivatizing the surface of a substrate having a plurality of thiol groups thereon are disclosed herein. The method can include reacting the thiol groups with an o-quinone methide, which can optionally be generated by irradiating an o-quinone methide precursor compound.
Wherein r1 and r2, being identical or different, are independently chosen from the group consisting of hydrogen, halogen, alkyl which optionally contains one or more heteroatoms, alkoxy, aryl and alkyne with an aryl end group; r3 is chosen from the group consisting of hydrogen, alkyl which optionally contains one or more heteroatoms, aryl, heterocycle, ether and ester; r4 and r5, being identical or different, are independently chosen from the group consisting of hydrogen, alkyl which optionally contains one or more heteroatoms, aryl, heterocycle, ether and ester, whereby the r4 and r5 groups are optionally combined to one cyclic structure; and r6, if present, is chosen from the group consisting of hydrogen, aryl and alkyl.. .
|Imaging of meningiomas using phingylbenzothiazole, stilbene, or biphenylalkyne derivatives|
Methods for detecting or ruling out a meningioma in a patient using a phenylbenzothiazole derivative or a stilbene derivative or a biphenylalkyne derivative, and a medical imaging technique such as positron emission tomography/computed tomography are disclosed. In one version of the method, the phenylbenzothiazole derivative is a compound of formula (v):.
|Self-assembly patterning of organic molecules on a surface|
The embodiments disclosed herein include all-electron control over a chemical attachment and the subsequent self-assembly of an organic molecule into a well-ordered three-dimensional monolayer on a metal surface. The ordering or assembly of the organic molecule may be through electron excitation.
|Electrocatalytic alkenes and alkynes dimerizations and trimerizations|
The present disclosure relates generally to carbon to carbon coupling processes, and more specifically, to dimerization or trimerization by electrocatalysis of alkenes and alkynes at room temperature.. .
|Highly active multidentate catalysts for efficient alkyne metathesis|
The invention relates to highly active and selective catalysts for alkyne metathesis. In one aspect, the invention includes a multidentate organic ligand wherein one substrate-binding site of the metal center is blocked.
|Methods for the synthesis of alkyne-containing dicarba bridges in peptides|
A method, system and device for facilitating the retrieval of a marine anchor from an underwater obstruction, the device being configured to actuate when subjected to a force load of a predetermined peak force threshold to effect a change in the point of retrieval that an anchor rode makes with the anchor. The obstructed anchor may be retrieved from another direction, such as a direction opposite from which the anchor was set..
A method for joining oligonucleotides. The method includes joining together one or more oligonucleotides by reacting an alkyne group lined to an oligonucleotide with an azide group linked to an oligonucleotide to form a triazole linkage.
|Process for producing radiohalogenated bioconjugates and products thereof|
The present invention relates to a new synthetic process in which an alkyne and an azide react to form a radioisotopic bioconjugate construct. The reaction is particularly useful for producing compounds for use in imaging and radiotherapy applications.