C07B43/06

Organic reactions carried out in aqueous solution in the presence of a hydroxyalkyl(alkyl)cellulose or an alkylcellulose

The present invention relates to a method of carrying out an organic reaction in aqueous solution in the presence of a hydroxyalkyl(alkyl)cellulose or an alkylcellulose.

Organic reactions carried out in aqueous solution in the presence of a hydroxyalkyl(alkyl)cellulose or an alkylcellulose

The present invention relates to a method of carrying out an organic reaction in aqueous solution in the presence of a hydroxyalkyl(alkyl)cellulose or an alkylcellulose.

Benzoxazepin oxazolidinone compounds and methods of use

Described herein are benzoxazepin oxazolidinone compounds with phosphoinositide-3 kinase (PI3K) modulation activity or function having the Formula I structure: ##STR00001## or stereoisomers, tautomers, or pharmaceutically acceptable salts thereof, and with the substituents and structural features described herein. Also described are pharmaceutical compositions and medicaments that include the Formula I compounds, as well as methods of using such PI3K modulators, alone and in combination with other therapeutic agents, for treating diseases or conditions that are mediated or dependent upon PI3K dysregulation.

Method for synthesis of deuterated amide and deuterated sulfonamide

A novel method for synthesizing deuterated amides and deuterated sulfonamides includes the following steps: (1) adding a compound M, DMAP, R.sup.3—X to a solvent to obtain a compound N after a reaction is complete; and (2) adding the compound N, R.sup.4—NH—R.sup.5, or a salt and base thereof to a solvent, and purifying after a reaction is complete to obtain a compound I. ##STR00001##

MANGANESE BASED COMPLEXES AND USES THEREOF FOR HOMOGENEOUS CATALYSIS

The present invention relates to novel manganese complexes and their use, inter alia, for homogeneous catalysis in (1) the preparation of imine by dehydrogenative coupling of an alcohol and amine; (2)C—C coupling in Michael addition reaction using nitriles as Michael donors; (3) dehydrogenative coupling of alcohols to give esters and hydrogen gas (4) hydrogenation of esters to form alcohols (including hydrogenation of cyclic esters (lactones) or cyclic di-esters (di-lactones), or polyesters); (5) hydrogenation of amides (including cyclic dipeptides, lactams, diamide, polypeptides and polyamides) to alcohols and amines (or diamine); (6) hydrogenation of organic carbonates (including polycarbonates) to alcohols or hydrogenation of carbamates (including polycarbamates) or urea derivatives to alcohols and amines; (7) dehydrogenation of secondary alcohols to ketones; (8) amidation of esters (i.e., synthesis of amides from esters and amines); (9) acylation of alcohols using esters; (10) coupling of alcohols with water and a base to form carboxylic acids; and (11) preparation of amino acids or their salts by coupling of amino alcohols with water and a base. (12) preparation of amides (including formamides, cyclic dipeptides, diamide, lactams, polypeptides and polyamides) by dehydrogenative coupling of alcohols and amines; (13) preparation of imides from diols.

Synthesis method for cariprazine

The present application relates to a synthesis method for cariprazine, comprising performing an acylation reaction between a compound represented by formula (I) and dimethylcarbamoyl chloride in a reaction solvent in the presence of an aqueous solution of an inorganic base, so as to obtain the cariprazine compound represented by formula (II). The synthesis method overcomes defects in the prior art such as a long reaction time, large size impurities and the difficulty of purification, and provides a new method suitable for commercial production wherein the reaction is fast, impurity sizes are small, the product is easily purified, the purity of the product can reach 99.0% or more, and the yield is high. ##STR00001##

Synthesis of glycoconjugate derivatives of a bile acid

Processes for the synthesis and purification of glycoconjugate derivatives of cholic acid of formula (I) ##STR00001##
are provided herein.

Synthesis of glycoconjugate derivatives of a bile acid

Processes for the synthesis and purification of glycoconjugate derivatives of cholic acid of formula (I) ##STR00001##
are provided herein.

SYNTHESIS METHOD FOR CARIPRAZINE

The present application relates to a synthesis method for cariprazine, comprising performing an acylation reaction between a compound represented by formula (I) and dimethylcarbamoyl chloride in a reaction solvent in the presence of an aqueous solution of an inorganic base, so as to obtain the cariprazine compound represented by formula (II). The synthesis method overcomes defects in the prior art such as a long reaction time, large size impurities and the difficulty of purification, and provides a new method suitable for commercial production wherein the reaction is fast, impurity sizes are small, the product is easily purified, the purity of the product can reach 99.0% or more, and the yield is high.

##STR00001##

SYNTHESIS AND APPLICATION OF MICROBUBBLE-FORMING COMPOUNDS
20210236415 · 2021-08-05 ·

The present disclosure is directed to fatty-acid glycerol ester derivative compounds containing a targeting bisphosphonate group. The disclosure further includes pharmaceutical or biomedical compositions comprising these compounds, and methods of using these compounds and compositions forming microbubbles. The microbubbles have affinity for metal-containing, especially calcium-containing, bodies and/or biological targets. In certain embodiments, these compositions are useful for providing targeted placement of microbubbles capable of cavitation on application of high frequency energy.