Class / Patent application number | Description | Number of patent applications / Date published |
560226000 | Halogen in acid moiety | 15 |
20130131375 | PROCESS FOR PREPARING DIFLUOROACETIC ACID, SALTS THEREOF OR ESTERS THEREOF - A process for preparing difluoroacetic acid, salts thereof or esters thereof is described. The process can further include preparation of difluoroacetic acid, salts thereof or esters thereof, wherein the reaction occurs in the presence of water of a salt providing a fluoride anion and of monohalogenated or dihalogenated acetic acid, in acid, salified or esterified form, at least one halogen atom being other than the fluorine atom. | 05-23-2013 |
560227000 | Fluorine in acid moiety | 13 |
20090036706 | Polyfluoroalkyl Alcohol, Or (METH)Acrylic Acid Derivative Thereof, And Process For Producing The Same - A polyfluoroalkyl alcohol, or a (meth)acrylic acid derivative thereof, represented by the following general formula: | 02-05-2009 |
20090082591 | METHODS FOR PREPARING SULFONAMIDE COMPOUNDS - Methods for preparing substituted phenylsulfonamide compounds of the following structure are provided: | 03-26-2009 |
20100069663 | STEREOSELECTIVE ONE STEP FLUORINATION PROCESS FOR THE PREPARATION OF 2-FLOUROPROPIONATE - The current invention describes a one-step process for the synthesis of 2-fluoropropionates from lactic acid ester derivatives using TFEDMA. | 03-18-2010 |
20100087673 | PROCESS FOR PRODUCING OPTICALLY ACTIVE alpha-FLUOROCARBOXYLATE ESTER - An optically active α-fluorocarboxylate is produced by reacting an optically active α-hydroxycarboxylate with sulfuryl fluoride (SO | 04-08-2010 |
20100197957 | Method for Producing Fluorine-Containing Carboxylic Acid Ester - [Task] It is to provide a production method that the target fluorine-containing carboxylic acid ester can be obtained from a fluorine-containing ether by a one-step reaction, that a complicated step and a troublesome operation are not necessary, and that an excessive energy is not consumed. | 08-05-2010 |
20100234634 | NOVEL CARBOXYLIC ACID ESTER, USE OF THE SAME, AND METHOD FOR PRODUCING THE SAME - The present invention provides a process for producing a novel compound, i.e., α-chloromethoxycarboxylic acid ester represented by General Formula (1): (CF | 09-16-2010 |
20100234635 | METHOD FOR PRODUCING FLUORINE-CONTAINING POLYMER, AQUEOUS DISPERSION OF FLUORINE-CONTAINING POLYMER, 2-ACYLOXYCARBOXYLIC ACID DERIVATIVE, AND SURFACE ACTIVE AGENT - The present invention provides a method of producing a fluoropolymer, wherein polymerization using a carboxylate ester bond-containing carboxylic acid derivative as a surfactant in an aqueous medium to give the fluoropolymer is conducted, the above carboxylate ester bond-containing carboxylic acid derivative has a carboxylate ester bond and —COOM (M representing H, NH | 09-16-2010 |
20110021809 | Method for Purification of Optically Active alpha-Fluorocarboxylic Acid Esters - Disclosed is a purification method of reducing and removing fluoride ions contained in an optically active α-fluorocarboxylic acid ester represented by formula [1] | 01-27-2011 |
20120190884 | METHOD FOR PREPARING DIFLUOROACETIC ACID ESTERS - A method for preparing difluoroacetic acid esters is described. The method can include reacting difluoroacetyl fluorine with an aliphatic or cycloaliphatic alcohol in the presence of a heterogeneous mineral base. | 07-26-2012 |
20120232306 | PROCESS FOR THE PREPARATION OF TAPENTADOL AND INTERMEDIATES THEREOF - The present invention refers to a new process for the synthesis of tapentadol comprising the quantitative resolution of the racemic mixture (V) to obtain the stereoisomer of (S)-3-(dimethylamino)-2-methyl-1-(3-nitrophenyl)-propan-1-one (VII) according to the Scheme 2 below | 09-13-2012 |
20120323036 | MULTIFUNCTIONAL SULFONE/FLUORINATED ESTER SOLVENTS - Novel multifunctional sulfone/fluorinated ester compounds are described. These compounds may be useful as non-aqueous electrolyte solvents, specialty solvents, and starting materials and intermediates for synthesis of dyes, agricultural chemicals, and pharmaceuticals. | 12-20-2012 |
20140221681 | FLUORINATION OF ACRYLATE ESTERS AND DERIVATIVES - The present invention generally relates to processes for converting acrylate esters or a derivative thereof to difluoropropionic acid or a derivative thereof. This process is generally performed using fluorine gas in a hydrofluorocarbon solvent. | 08-07-2014 |
20150361026 | Methods for Producing Fluorine-Containing Hydroxyaldehyde, Fluorine-Containing Propanediol, and Fluorine-Containing Alcohol Monomer - As shown by the following reaction formula, disclosed is a fluorine-containing hydroxyaldehyde production method, including the step of obtaining a fluorine-containing hydroxyaldehyde represented by the general formula (1) by reacting a fluorine-containing ketone represented by the general formula (4) and an aldehyde represented by the general formula (5) in the presence of an organic base selected from a heterocyclic compound which contains a nitrogen atom in its ring or a tertiary amine. By this production method, it is possible to obtain the fluorine-containing hydroxyaldehyde in a high yield. Furthermore, it is possible to easily obtain in high yields a fluorine-containing propanediol, which is a derivative of this fluorine-containing hydroxyaldehyde, and a fluorine-containing alcohol monomer by using the same. | 12-17-2015 |
560228000 | Cyclic alcohol moiety | 1 |
20100105946 | Hydrolytically Degradable Carbamate Derivatives of Poly(Ethylene Glycol) - Poly(ethylene glycol) carbamate derivatives useful as water-soluble pro-drugs are disclosed. These degradable poly(ethylene glycol) carbamate derivatives also have potential applications in controlled hydrolytic degradation of hydrogels. In such degradable hydrogels, drugs may be either trapped in the gel and released by diffusion as the gel degrades, or they may be covalently bound through hydrolyzable carbamate linkages. Hydrolysis of these carbamate linkages releases the amine drug at a controllable rate as the gel degrades. | 04-29-2010 |