C07F3/003

METHOD FOR PRODUCING AMIDINATE METAL COMPLEX

To provide a method for producing an amidinate metal complex which is represented by [R.sup.1—N—C(R.sup.3)—N—R.sup.2]nM in cost saving and simple manner.

A method for producing an amidinate metal complex represented by [R.sup.1—N—C(R.sup.3)—N—R.sup.2]nM including: a first step in which R.sup.3X is reacted with a metal Li in a solvent to obtain R.sup.3Li solution with LiX suspended therein; a second step in which the R.sup.3Li solution with LiX existing therein is reacted with R.sup.1—N═C═N—R.sup.2 to obtain a [R.sup.1—N—C(R.sup.3)—N—R.sup.2]Li solution with the LiX suspended therein; a third step in which the [R.sup.1—N—C(R.sup.3)—N—R.sup.2]Li solution with the LiX existing therein is reacted with MX to obtain an amidinate metal complex solution, represented by the [R.sup.1—N—C(R.sup.3)—N—R.sup.2]nM, with the LiX suspended therein; and a fourth step for removing the LiX in the solution obtained by the third step.

Water stable zinc-based metal organic framework and method of use

A zinc-based metal organic framework and method of making is described. The zinc-based metal organic framework is in the form of an interpenetrating diamondoid framework where each Zn.sup.2+ ion center is linked with four other Zn.sup.2+ ion centers in a distorted tetrahedral geometry. The linking occurs through diamine and dicarboxylic acid linkers. The zinc-based metal organic framework may be deposited on a transparent conducting film and used as a photoelectrode for photoelectrochemical water splitting.

ZIRCONIUM-BASED AND LANTHANUM-BASED ETHYLENICALLY UNSATURATED METAL SALTS
20220024844 · 2022-01-27 ·

An ethylenically unsaturated and (co)polymerizable metal salt soluble in an ethylenically unsaturated reactive diluent is based on zirconium or on lanthanum and on an ethylenically unsaturated hemi-ester of a dicarboxylic acid. A process for the preparation of the salt and a crosslinkable composition comprising it are also disclosed. Uses of the metal salt include optical and dental uses, uses in composite materials, in moulding compositions, in 3D printing compositions and compositions for 3D articles and for coatings or adhesives. The finished crosslinked product which results from crosslinking the crosslinkable composition comprising the metal salt is also described.

METHODS FOR PRODUCING STEREOISOMERICALLY ENRICHED CARBOHYDRATE-BASED SURFACTANTS

The present disclosure discusses methods for producing stereoisomerically enriched carbohydrate-based surfactants. In particular, methods of the invention include producing stereoisomerically enriched hydrophobic portion of the carbohydrate-based surfactants.

TETRAHYDROCURCUMINOID-METAL COMPLEXES, MANUFACTURING METHODS THEREOF, AND USES THEREOF
20210353583 · 2021-11-18 · ·

The invention is directed to tetrahydrocurcuminoid-metal complexes. The complexes can be included in compositions that further include additional nutraceutical antimicrobials, antioxidants, and immune boosters. The tetrahydrocurcuminoid-metal complexes can be administered to animals to increase animal health, reduce stress, reduce oxidative stress, maintain health, improve health, improve immunity, improve vaccination efficacy, increase feed conversion rate, decrease pro-inflammatory cytokine levels, or any combination thereof in an animal. The tetrahydrocurcuminoid-metal complexes of the invention exhibit enhanced bioavailability relative to the individual, non-complexed components.

AZOBENZENE-GRAPHENE METAL COORDINATION SOLAR PHOTOTHERMAL ENERGY STORAGE MATERIAL AND PREPARATION THEREOF
20220010188 · 2022-01-13 ·

The present disclosure relates to an azobenzene-graphene metal coordination solar photothermal energy storage material based on metal coordination bonds and a preparation method thereof. The method comprises the following steps: preparing reduced graphene oxide; preparing an azobenzene-graphene material; and preparing an azobenzene-graphene metal coordination solar photothermal energy storage material: dispersing the prepared azobenzene-graphene material in DMF, dissolving a certain amount of metal compound in DMF, adding the DMF solution of the metal compound into the DMF solution of the azobenzene-graphene, taking out the precipitate, washing off metal ions which do not participate in coordination, and drying the obtained product to obtain the azobenzene-graphene metal coordination solar photothermal energy storage material. The present disclosure also relates to a method for improving the solar photothermal energy storage ability of a molecular solar energy fuel, comprising using an azobenzene-graphene metal coordination solar photothermal energy storage material.

Zinc oxide complexes
11161963 · 2021-11-02 · ·

A complex formed by a zinc oxide molecule and a molecule comprising an acidic hydrogen is disclosed. The oxygen atom of the zinc oxide molecule is covalently bound to the acidic hydrogen.

Metal bicyclic amidinates

Compounds are synthesized with bicyclic amidinate ligands attached to one or more metal atoms. These compounds are useful for the synthesis of materials containing metals. Examples include pure metals, metal alloys, metal oxides, metal nitrides, metal phosphides, metal sulfides, metal selenides, metal tellurides, metal borides, metal carbides, metal silicides and metal germanides. Techniques for materials synthesis include vapor deposition (chemical vapor deposition and atomic layer deposition), liquid solution methods (sol-gel and precipitation) and solid-state pyrolysis. Copper metal films are formed on heated substrates by the reaction of copper(I) bicyclic amidinate vapor and hydrogen gas, whereas reaction with water vapor produces copper oxide. Silver and gold films were deposited on surfaces by reaction of their respective bicyclic amidinate vapors with hydrogen gas. Reaction of cobalt(II) bis(bicyclic amidinate) vapor, ammonia gas and hydrogen gas deposits cobalt metal films on heated substrates, while reaction with ammonia produces cobalt nitride and reaction with water vapor produces cobalt oxide. Ruthenium metal films are deposited by reaction of ruthenium(II) bis(bicyclic amidinate) or ruthenium(III) tris(bicyclic amidinate) at a heated surface either with or without a co-reactant such as hydrogen gas or ammonia or oxygen. Suitable applications include electrical interconnects in microelectronics and magnetoresistant layers in magnetic information storage devices. Hafnium oxide films are deposited by reaction of hafnium(IV) tetrakis(bicyclic amidinate) with oxygen sources such as water, hydrogen peroxide or ozone. The HfO.sub.2 films have high dielectric constant and low leakage current, suitable for applications as an insulator in microelectronics. The films have very uniform thickness and complete step coverage in narrow holes.

Anti-Microbial Compositions
20230312610 · 2023-10-05 ·

The present invention relates to compounds, compositions, methods of forming/preparing such compounds and compositions, and uses for sanitising and/or substantially removing biofilms and microorganisms living within or around biofilms. The present invention, in particular, relates to compounds of formula Mn(P) as described herein which can be used in wound treatments, wound dressings, medical devices, water treatments, food processing and dental care biofilms.

Far superior oxidation catalysts based on macrocyclic compounds

An especially robust compound and its derivative metal complexes that are approximately one hundred-fold superior in catalytic performance to the previously invented TAML analogs is provided having the formula (I) wherein Y.sub.1, Y.sub.2, Y.sub.3 and Y.sub.4 are oxidation resistant groups which are the same or different and which form 5- or 6-membered rings with a metal, M, when bound to D; at least one Y incorporates a group that is significantly more stable towards nucleophilic attack than the organic amides of TAML activators; D is a metal complexing donor atom, preferably N; each X is a position for addition of a labile Lewis acidic substituent such as (i) H, deuterium, (ii) Li, Na, K, alkali metals, (iii) alkaline earth metals, transition metals, rare earth metals, which may be bound to one or more than one D, (iv) or is unoccupied with the resulting negative charge being balanced by a nonbonded counter-action; at least one Y may contain a site that is labile to acid dissociation, providing a mechanism for shortening complex lifetime. The new complexes deliver catalytic performances that promise to revolutionize multiple oxidation technology spaces including water purification. ##STR00001##