Novel 2,2′-diaminobiaryls having one primary and one secondary amine and an electrochemical process for preparation thereof.

Novel 2,2′-diaminobiaryls having one primary and one secondary amine and an electrochemical process for preparation thereof.

The invention generally relates to a process for preparing compounds, including Compound of Formula (I), useful as key intermediates in the preparation of compounds having RORγt antagonist properties.

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The invention generally relates to a process for preparing compounds, including Compound of Formula (I), useful as key intermediates in the preparation of compounds having RORγt antagonist properties.

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Disclosed are methods for the preparation of ligands for complexes, methods for preparing complexes and complexes having those ligands. Also provided is the use of a complex as a catalyst in a method of synthesis.

Disclosed are methods for the preparation of ligands for complexes, methods for preparing complexes and complexes having those ligands. Also provided is the use of a complex as a catalyst in a method of synthesis.

Disclosed are methods for the preparation of ligands for complexes, methods for preparing complexes and complexes having those ligands. Also provided is the use of a complex as a catalyst in a method of synthesis.

A multi-acid polymer disclosed herein has the formula

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wherein R is one or more units of a non-SOF.sub.2 or non-SO.sub.2Cl portion of a polymer precursor in sulfonyl fluoride or sulfonyl chloride form, X is a non-sulfonyl halide group of a multi-sulfonyl halide compound having a minimum of two acid giving groups, and Y is remaining sulfonyl halide groups of the multi-sulfonyl halide compound.

A multi-acid polymer disclosed herein has the formula

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wherein R is one or more units of a non-SOF.sub.2 or non-SO.sub.2Cl portion of a polymer precursor in sulfonyl fluoride or sulfonyl chloride form, X is a non-sulfonyl halide group of a multi-sulfonyl halide compound having a minimum of two acid giving groups, and Y is remaining sulfonyl halide groups of the multi-sulfonyl halide compound.

The filter medium is a filter medium which uses a liquid containing oil and water as a separation target, and has a channel for the liquid. The filter medium includes a base constituting the channel, and one or more of nitrogen-containing fluorine compounds which are provided on at least a portion of a surface of the channel. The nitrogen-containing fluorine compound includes an oil-repellency imparting group and any one hydrophilicity imparting group selected from a group consisting of an anion type, a cation type, and an amphoteric type, in a molecule.