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| Number | Title | Issue Date |
| 7102032 | Purification of amide compound In the synthesis of an amide compound through reaction of an acyl fluoride group-bearing compound with an amino compound, a reaction mixture contains the amide compound and hydrogen fluoride or a hydrofluoric acid amine salt. The amide compound is recovered in high ... | 09/05/2006 |
| 7087783 | Method for preparing nitrogen-containing compounds A synthesis method which comprises reacting NH group-containing compounds with thiocyanates, cyanamides, nitriles or esters in the presence of a silylating agent to synthesize the corresponding nitrogen-containing addition or substitution products. This method not o... | 08/08/2006 |
| 7030272 | β-hydroxyalkylamides process for their production and their use This invention relates to a β-hydroxyalkylamide having the general Formula I: where R1 is H or a linear or branched C1 to C10 alkyl and R2 is a linear or branched C1 to C | 04/18/2006 |
| 6660886 | Amphiphilic lubricants for magnetic media A magnetic recording medium including a lubricant topcoat having increased bonding to the medium surface comprises an amphiphilic lubricant molecule having a hydrophilic central portion including a plurality of polar functional groups bound to the medium ... | 12/09/2003 |
| 6313294 | Process for preparing amides The present invention provides a process for preparing an amide, which comprises reacting an amine with an ester in a molten form in the absence of a solvent.... | 11/06/2001 |
| 6291712 | Process for producing saturated aliphatic carboxylic acid amide A process for producing a saturated aliphatic carboxylic acid amide, comprising reacting a saturated aliphatic carboxylic acid with ammonia to thereby obtain a saturated aliphatic ammonium carboxylate and subjecting the saturated aliphatic ammonium carbox... | 09/18/2001 |
| 6235933 | Process for preparing ଲ-hydroxyalkylamides The invention relates to a process for preparing a ଲ-hydroxyalkylamide, in which alkyl esters are reacted with ଲ-aminoalcohols in the absence of solvents and in the presence of basic catalysts, where, to improve the selectivity, the ratio of ... | 05/22/2001 |
| 6194613 | Process for the continuous preparation of hydroxyalkylamides Process for the continuous preparation of hydroxyalkylamides Process for the continuous preparation of hydroxyalkylamides from carboxylic esters and alkanolamines, wherein the reaction of the starting materials is carried out in an extruder or intensive m... | 02/27/2001 |
| 6166243 | Process for the preparation of insecticidal phenylhydrazine derivatives Disclosed herein is a method for making compounds having the structural formulae (I) or (II): ##STR1## wherein: X is a) phenyl; lower phenylalkoxy; phenoxy; or benzyl; or b) one substituent from group a) and one or more substituents selected from ... | 12/26/2000 |
| 5948778 | Difluoro statone antiviral analogs This invention relates to novel statone antiviral analogs, to the processes and intermediates useful for their preparation and to their use as antiviral agents.... | 09/07/1999 |
| 5861532 | Solid-phase synthesis of N-alkyl amides Methods for solid phase synthesis of N-alkyl amides comprise reductive amination of carbonyl compounds using a reducing agent and an amine-containing linker bound to a solid support. The methods afford high yields of linker-bound, monoalkylated amines, an... | 01/19/1999 |
| 5654478 | Preparation of N-alkenylcarboxamides N-Alkenylcarboxamides of the formula I ##STR1## where at least one of the radicals R1 is hydrogen, the second radical R1 is hydrogen or C1 -C4 -alkyl and R2 is hydrogen or an aliphatic, cycloalip... | 08/05/1997 |
| 5449808 | Method for converting amides to nitriles and nitriles to amides A process which comprises contacting and catalytically reacting under essentially anhydrous conditions in the liquid phase an amide with a nitrile according to the equation: RCONH2 +R1 CN.revreaction.RCN+R1 CONH2 whe... | 09/12/1995 |
| 5428116 | Synthesis of complex polyamines for ampholyte production New synthesis and analysis procedures for novel crosslinked polyamines and ampholytes. Polyamines are crosslinked with tartaric acid ester, malonic acid ester, or polycarboxylic acid esters of the citric acid cycle. The resulting crosslinked polyamine may... | 06/27/1995 |
| 5217634 | Polyepoxide modified adducts or reactants and oleaginous compositions containing same A material useful as a dispersant additive in oleaginous compositions selected from fuels and lubricating oils comprising the reaction products of: (i) at least one intermediate adduct comprised of the reaction products of (a) at least one polyepoxide, and (b)... | 06/08/1993 |
| 5194668 | Process for production of carboxylic acid esters and formamide Carboxylic acid esters and formamide are efficiently obtained by reacting carboxylic acid amides and formic acid esters, or by reacting carboxylic acid amides, alcohols and carbon monoxide in the presence of a dehydrated condensate of carboxylic acid amid... | 03/16/1993 |
| 5155269 | Purification of p-aminophenol compositions and direct conversion to N-acetyl-p-aminophenol A process for removing impurities from an aqueous feed mixture comprising a reaction solution produced by catalytic hydrogenation of nitrobenzene in an acid aqueous medium. An aqueous feed mixture comprising the reaction solution is contacted with an extr... | 10/13/1992 |
| 5101073 | Production of ଲ-hydroxyalkylamides A method of preparing solid hydroxyalkylamides by reacting carboxylic alkyl esters with alkanolamines at controlled reaction temperatures, removing the alcohol byproduct, controlling the temperature of the reaction mixture to form a slurry, maintaining th... | 03/31/1992 |
| 5091572 | Amine terminated polyamides Liquid amine terminated polyamide addition products having an average molecular weight of about 3,000 to about 10,000 are prepared by the non-catalytic reaction of a dicarboxylic acid having a molecular weight within the range of about 130 to about 700 wi... | 02/25/1992 |
| 5034536 | Process for preparing 2-isopropenyl oxazoline Unsaturated esters with an alkyl group at the 2 carbon, such as methyl methacrylate, react with ଲ-aminoalkanols, such as 2-aminoethanol, in the presence of an alkali metal alkoxide or hydroxide such as sodium methoxide, under moderate temperatures t... | 07/23/1991 |
| 5023375 | Process for the synthesis of amides from vinyl acetate Ethylidene bisamide is produced by the reaction of vinyl acetate with a primary carboxylic acid amide over a catalytic amount of a salt of palladium (II), platinum(II) or mercury(II). The reaction is carried out in the presence of an aliphatic or arylalip... | 06/11/1991 |
| 4990651 | Process for producing carboxylic acid esters Carboxylic acid esters, industrially important compounds, are obtained by reacting carboxylic acid amides and formic acid esters, or carboxylic acid amides, alcohols and carbon monoxide in the presence of metal alcoholate.... | 02/05/1991 |
| 4973739 | Process for production of carboxylic acid esters Carboxylic acid esters, industrially important compounds, are efficiently obtained by reacting carboxylic acid amides with formic acid esters in the presence of an inorganic solid acid catalyst.... | 11/27/1990 |
| 4855455 | Preparation of amino acid derivatives A hydroxy-carboxylate ester is converted to an amino-acid-amide by replacement of the --OH group with --N3, via, e.g., CH3 SO2 Cl and NaN3 ; reacting with amine to convert the ester to amide; and hydrogenating -... | 08/08/1989 |
| 4675442 | Method of making methacrylamides What is disclosed is a method for making an amide of acrylic acid or of methacrylic acid by the reaction of an alkyl ester of acrylic acid or of methacrylic acid with an amine at a temperature between 50° C. and 180° C., whereby the reaction with the am... | 06/23/1987 |
| 4659866 | Continuous preparation of furmamide Formamide is prepared continuously from methyl formate and ammonia, pure methanol being recovered, by a process wherein (a) the reaction of methyl formate and ammonia is carried out predominantly in the liquid phase in the upper region of a reaction column R h... | 04/21/1987 |
| 4613673 | Catalysts preparation thereof and preparation of N-substituted acrylamides therewith This invention is directed to novel catalysts characterized as compounds of tin or zinc containing a direct metal-nitrogen bond. The novel catalysts are derived from a primary or secondary amine such as an alkyl amine, a heterocyclic amine, an aromatic am... | 09/23/1986 |
| 4590292 | Process for the manufacture of cyclopropylamine A modified novel process for preparing cyclopropylamine from γ-butyrolactone is described. The γ-butyrolactone ring is cleaved with a hydrohalide in the presence of a novel catalyst comprising an aqueous sulfuric acid solution. The 4-chlorobutyric acid,... | 05/20/1986 |
| 4539427 | Process for the preparation of formamides Formamides e.g. diethylformamide are prepared by reacting a primary or secondary amine e.g. diethylamine or ammonia with (a) an alkyl formate or (b) carbon monoxide and an alkanol in the presence, as catalyst, of (i) a compound containing an amidine group... | 09/03/1985 |
| 4379928 | Synthesis of amides Alkyl amides have been synthesized from cyclic anhydrides, carboxyl acids and their esters by contacting them with an amine carbamic acid salt.... | 04/12/1983 |
| 4358612 | Process for production of -haloalkylamides Amides having the formula in which R is -halo-C1 -C8 -alkyl; R2 is C1 -C8 alkyl, and R3 is C1 -C8 alkyl, are prepared by reacting an ester with an amine in the prese... | 11/09/1982 |
| 4322551 | Process for preparing aromatic amide antioxidants A process for the preparation of aromatic amide antioxidants from a simple aliphatic or aromatic ester and primary amine in the presence of a metal alkoxide and an alcohol. Unsaturated products produced using this process are sufficiently pure to use as c... | 03/30/1982 |
| 4311857 | 1-Aryl-2-acylamido-3-fluoro-1-propanol acylates, methods for their manufacture and intermediates useful therein, methods for their use as antibacterial agents and compositions useful therefor Described are D-(threo)-1-aryl-2-acylamido-3-fluoro-1-propanol esters and salts thereof, methods for their preparation, and methods for their use as antibacterial agents.... | 01/19/1982 |
| 4259259 | Preparation of ଲ-aminopropionamides Covers a process for the preparation of a ଲ-aminopropionanide of the formula ##STR1## wherein R1 is H or methyl, n is an integer of 2 to 6 and R2 and R3, taken singly are hydrogen or lower alkyl groups containin... | 03/31/1981 |
| 4258200 | Production of carboxylic acid amides and carbamates using cobalt catalysts Carboxylic acid amides are produced by the catalytic reaction of an ester and an amine is shown. Organo cobalt salts are used as the catalyst. The process is particularly useful for producing dimethylacetamide by the reaction of methyl acetate and dimethy... | 03/24/1981 |
| 4228102 | Preparation of carboxylic acid amides What is disclosed is a method for making amides of the formula ##STR1## wherein R1 is hydrogen or methyl, R3 is straight-chain or branched alkyl or unsubstituted or substituted aryl, and R4 is hydrogen or straight-chain or... | 10/14/1980 |
| 4151302 | Araliphatic dihalogen compounds composition and method of use Compounds of the formula ##STR1## wherein R1 and R2 are the same or different and are F, Cl or Br; Q is --CH(CH3)--CH2 --, --C(OH)(CH3)--CH2 -- or --C(CH3).dbd.CH--; Y is COOH, C... | 04/24/1979 |
| 4134915 | Continuous manufacture of formamide Formamide is manufactured continuously from methyl formate and gaseous ammonia. The reaction is carried out in a reactor at from 30 to 90° C, from 5 to 20% by volume of the reactor output is drawn off continuously and fed to the formamide working-up stag... | 01/16/1979 |
| 4017513 | Method for making aminoacid amides The present process describes a new and improved method for making the amides of an aminoacid. The new procedure involves only two steps, produces good yield and requires neither isolation nor purification of the intermediate. It also assures that the opt... | 04/12/1977 |
| 3989701 | Diamine-benzophenones and a process for the preparation thereof New compounds of the general formula (I) ##SPC1## wherein R1 and R2 each is a saturated or unsaturated, straight-chained or branched alkyl group, an aralkyl group, a saturated or unsaturated cycloalkyl group or an aryl group, or R | 11/02/1976 |
