B01J2531/0216

TETRADENTATE LIGAND, AND PRODUCTION METHOD THEREFOR, SYNTHETIC INTERMEDIATE THEREOF, AND TRANSITION METAL COMPLEX THEREOF

The present invention relates to: a compound as a ligand in a variety of catalytic organic synthetic reactions; a method for producing the compound; a synthetic intermediate of the compound; and a transition metal complex which has the compound as a ligand. The compound includes a compound represented by the following general formula (1.sup.A):

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Production of metal-organic frameworks

An apparatus for producing metal organic frameworks, comprising: a tubular flow reactor comprising a tubular body into which, in use, precursor compounds which form the metal organic framework are fed and flow, said tubular body including at least one annular loop.

ION PAIR CATALYSIS OF TUNGSTATE AND MOLYBDATE
20190105646 · 2019-04-11 ·

The present invention relates to ion pair catalysts (I) comprising the cationic bisguanidinium ligand (A) and diperoxomolybdate anion (B). The present invention also relates to ion pair catalysts (III) comprising the cationic bisguanidinium ligand (C) and peroxotungstate anion (D). It further relates to the use of the said catalysts in the manufacture of enantiomerically enriched sulfoxides.

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Zirconium- and hafnium-based metal-organic frameworks as epoxide ring-opening catalysts

Metal-organic frameworks (MOFs) and method of using the MOFs to catalyze reactions involving epoxide ring-opening mechanisms are provided. The structure of the MOFs can be represented by the formula: M.sub.6(.sub.3-ligand).sub.8(OH.sub.x).sub.8(TBAPy).sub.2, where M is Zr or Hf, the ligands are selected from hydroxo-, oxo- and aquo-ligands, and x is independently selected from 1 or 2.

Nickel catalysts with two alkali ions for homopolymerization and copolymerization
12043688 · 2024-07-23 · ·

This invention relates to nickel catalysts with alkali ions for homopolymerization and copolymerization.

Nickel catalysts with single metal cations for homopolymerization and copolymerization
12043689 · 2024-07-23 · ·

This invention relates to nickel catalysts with alkali ions for homopolymerization and copolymerization.

Strongly Lewis acidic metal-organic frameworks for continuous flow catalysis

Lewis acidic metal-organic framework (MOF) materials comprising triflate-coordinated metal nodes are described. The materials can be used as heterogenous catalysts in a wide range of organic group transformations, including Diels-Alder reactions, epoxide-ring opening reactions, Friedel-Crafts acylation reactions and alkene hydroalkoxylation reactions. The MOFs can also be prepared with metallated organic bridging ligands to provide heterogenous catalysts for tandem reactions and/or prepared as composites with support particles for use in columns of continuous flow reactor systems. Methods of preparing and using the MOF materials and their composites are also described.

Metal-organic framework materials comprising a diimine bis-salicylate scaffold and methods for production thereof

Metal-organic framework materials (MOFs) are highly porous entities comprising a multidentate organic ligand coordinated to multiple metal centers, typically as a coordination polymer. MOFs may comprise a plurality of metal centers, and a multidentate organic ligand coordinated via at least two binding sites to the plurality of metal centers to define an at least partially crystalline network structure having a plurality of internal pores, and in which the multidentate organic ligand comprises first and second binding sites bridged together with a third binding site comprising a diimine moiety. The multidentate organic ligand may comprise a reaction product of a vicinal dicarbonyl compound and an amine-substituted salicylic acid to define the first, second and third binding sites. Particular MOFs may comprise 5,59-(((1E,2E)-ethane-1,2-diylidene)bis-(azaneylylidene))bis(2-hydroxybenzoic acid) as a multidentate organic ligand.

Metal-organic framework materials comprising a pyrazolylcarboxylate ligand and methods for production thereof

Metal-organic framework materials (MOFs) are highly porous entities comprising a multidentate organic ligand coordinated to multiple metal centers. MOFs having ambient condition stability may comprise a plurality of metal clusters comprising one or more M.sub.4O clusters (M is a metal), and a plurality of 4-pyrazolecarboxylate ligands coordinated to the plurality of metal clusters to define an at least partially crystalline network structure having a plurality of internal pores. The MOFs may have a Pa3 symmetry, which upon activation may convert into Fm3m symmetry. Methods for synthesizing the MOFs may comprise combining a metal source, such as a preformed metal cluster, with 4-pyrazolecarboxylic acid, and reacting the preformed metal cluster with the 4-pyrazolecarboxylic acid to form a MOF having an at least partially crystalline network structure with a plurality of internal pores defined therein and comprising a plurality of metal clusters coordinated to a multidentate organic ligand comprising 4-pyrazolecarboxylate.

MOF, MOF LINKERS AND MANUFACTURING METHOD THEREOF

The present invention relates to Metal Organic Frameworks (MOF), linkers for said MOFs and method of manufacturing thereof, wherein the MOF linker comprises a core and spacers having aryl moieties.