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| Number | Title | Issue Date |
| 7538247 | Preparation of acrylic acid derivatives from α- or β-hydroxy carboxylic acids The invention is directed to a process for the preparation of α,β-unsaturated acids, esters and amides from α- or β-hydroxycarboxylic acids or esters or precursors in high yields and high selectivity. The α,β-unsaturated acids or esters are optionally prepared... | 05/26/2009 |
| 7439394 | Cyclohexyl-1,4-diamine compounds Novel cyclohexyl-1,4-diamine compounds corresponding to formula I, processes for the production thereof, pharmaceutical compositions containing these compounds, methods of producing pharmaceutical compositions including the... | 10/21/2008 |
| 6670506 | Method for producing dinitro-diaza-alkanes and interediate products thereof A method of synthesis of dinitro-diaza-alkanes and intermediate products thereto from alkylamines and esters, whereby a dialkyl ester of a dicarboxylic acid is reacted with an alkylamine in an aqueous medium to form the corresponding dialkyldiamide of the... | 12/30/2003 |
| 6384278 | Boron-mediated amidation of carboxylic acids The present invention provides an inexpensive one-step method for preparing an aromatic carboxamide, such as a phenyl substituted carboxamide) by reacting an aromatic amine (e.g. a phenylamine) and a carboxylic acid (e.g. an alkanoic acid or ester thereof... | 05/07/2002 |
| 6215024 | Process for the production of amides from amines The present invention provides a novel single step process for the production of amides from amines comprising reaction of amines with an acylating agent comprising of a carboxylic acid in a molar ratio of 1:3 to 1:10 in the presence of reusable natural m... | 04/10/2001 |
| 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 |
| 6107498 | Process for making carboxylic amides Methods for producing carboxylic amides involves combining near-stoichiometric amounts of carboxylic acid and amine in a reaction vessel and reacting under pressures greater than atmospheric pressure. Alternatively, an excess of amine is reacted with carb... | 08/22/2000 |
| 5998668 | Optically active compound and process for producing the same An optically active (2S,3R)-2-(3'-hydroxyacyl)aminoalkane-1,3-diol and a process for producing the same are disclosed. The compound is represented by the following general formula (1): ##STR1## wherein R1 represents a linear or branched, s... | 12/07/1999 |
| 5962708 | Process for preparation of highly concentrated free-flowing aqueous solutions of betaines The invention relates to a process for the preparation of highly concentrated free-flowing and pumpable aqueous solutions of betaines by quaternization of a compound which contains tertiary amine nitrogen with a ω-halo carboxylic acid characterized in th... | 10/05/1999 |
| 5945543 | Process for producing -(N,N dialkyl)-amino carboxlic acid amides A process for preparing -(N,N-dialkylamino) carboxamides of the formula I ##STR1## where the substituents have the stated meanings, comprises reacting the corresponding free acids with primary or secondary amines in the presence of anhydr... | 08/31/1999 |
| 5883132 | 15-deoxyspergualin analogs, their use in therapeutics and their method of preparation The present invention relates to compounds selected from the group consisting of: (i) the compounds of the formula ##STR1## in which: R is a hydrogen atom, a group OH, a group OCH3 or a group CH2 OH, *C, in the case where R is n... | 03/16/1999 |
| 5728852 | Method for producing monohydroxyalkylamides A method for producing a monoalkanol amide comprising the steps of (a) treating an entire amount of fatty acid with a monoalkanol amine in an amount of 0.7 to 0.95 times by mole of the amount of the fatty acid and more than 70% and not more than 90% by we... | 03/17/1998 |
| 5712414 | Hydroxycarboxylic acid anilides The present invention relates to a process for the preparation of hydroxycarboxylic acid amides of the general formula (1): ##STR1## in which R1 and R2 are identical or different and are hydrogen, halogen, cyano, a linear or bra... | 01/27/1998 |
| 5587498 | Method for amide preparation A method for amidation of carboxylic acids using a supported transition metal catalyst. The amides prepared by this inventive method are available in high-yield and excellent purity, without catalytic residue.... | 12/24/1996 |
| 5506362 | Process for the preparation of an -amino acid amide An -amino acid amide is prepared by reaction of an N -aryloxycarbonylamino acid with a compound containing a free amino group. This process makes it possible readily to prepare peptides, by direct reaction between the carboxyl gro... | 04/09/1996 |
| 5461176 | Processes for preparing bis-naphthalimides containing amino-acid derived linkers This invention relates to bis-naphthalimides, including 2,2'-[1,2-ethanediylbis[imino(1-methyl-2,1-ethanediyl)]]-bis[5-nitro-1H-be nz[de]isoquinoline-1,3(2H)-dione] and 2,2'-[1,2-ethanediylbis[imino(2-methyl-2,1-ethanediyl)]]-bis[5-nitro-1H-be nz[de]is... | 10/24/1995 |
| 5391826 | Amidopolyamines derived from amino-carboxylic acid Diamidopolyamines are prepared by reacting glutamic acid with two moles, per mole of glutamic acid, of a defined class of diamines, including oxyethyelene diamines, oxypropylenediamines, oxyethylene/propylene diamines, oxypropylene triamines, 1,2-diaminoc... | 02/21/1995 |
| 5329048 | Process of preparing tetraamino intermediates This invention relates to bis-naphthalimides, including 2,2'-[1,2-ethanediylbis[imino(1-methy1-2,1-ethanediyl)]]-bis[5-nitro-1H-be nz[de]isoquinoline-1,3(2H)-dione] and 2,2'-[1,2-ethanediylbis[imino(2-methyl-2,1-ethanediyl)]]-bis[5-nitro-1H-be nz[de]is... | 07/12/1994 |
| 5220063 | Method for the preparation of arylalkanolacylamides Acylamides or amine acylate salts of arylalkanolamines are prepared by reacting an arylisonitrosoalkanone with hydrogen and a carboxylic acid, carboxylic acid anhydride or carboxylic acid ester or mixture thereof in the presence of a transition metal cata... | 06/15/1993 |
| 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 |
| 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 |
| 5103056 | Amidoamines derived from amines with aminopropyl and secondary amine termini Disclosed is a method for selective formation of amidoamines which comprises reacting a carboxylic acid group, such as, for example, a diacid or an aliphatic acid terminated amide with an aminopropylated disecondary amine which contains a secondary amine ... | 04/07/1992 |
| 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 |
| 4906394 | Lactone modified mono-or dicarboxylic acid based adduct dispersant compositions C5 -C9 lactone based adduct materials are made by reacting a C5 -C9 lactone with a polyamine, a polyol or an amino alcohol to form a lactone adduct intermediate, and thereafter reacting the intermediate with an ... | 03/06/1990 |
| 4869728 | Motor fuel additive and ORI-inhibited motor fuel composition A motor fuel composition which inhibits engine ORI comprises a mixture of hydrocarbons boiling in the range of 90° F.-450° F. and the reaction product of one or more substituted or unsubstituted aliphatic carboxylic acids, including acyl-containing alip... | 09/26/1989 |
| 4682982 | Antistatic N-higher mono alkyl and mono alkenyl neoalkanamides, processes for manufacturing thereof, antistatic compositions containing such amides, and processes for decreasing accumulations of static charges on laundry N-higher alk(en)yl neoalkanamides are new compounds which unlike many other amides, are oily at washing temperatures, in the 10° to 90° C. range, and are capable of being adsorbed from wash and rinse waters by fibrous materials, such as laundry of synth... | 07/28/1987 |
| 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 |
| 4655972 | Catalytic preparation of carbonamides Carbonamides are prepared from carboxylic acids and ammonia in the presence of a catalytic amount of a hydrated oxide. Preferably a hydrated titanium-, zirconium- or tin oxide in an amount between 0.05 to 10% by weight is used. The hydrated oxide contains at ... | 04/07/1987 |
| 4640787 | Gasoline compositions containing branched chain amines or derivatives thereof Certain branched chain amines and carboxylic derivatives thereof are useful additives for lubricants and fuels.... | 02/03/1987 |
| 4600520 | Borated adducts of diamines and alkoxides as multifunctional lubricant additives and compositions thereof Borated adducts of alkyl diamines and alkoxides impart effective multifunctional friction reducing and high temperature stabilizing characteristics to compositions comprising hydrocarbyl lubricants and fuels.... | 07/15/1986 |
| 4582933 | Process for the production of N-(tert-aminoalkyl)acrylamides This invention describes a process for the production of N-(tert-aminoalkyl)acrylamides by the reaction of acrylic acid with a suitable tertiary aminoalkylamine at a temperature of 150°-230° C. The aminoalkylamine and acrylic acid are reacted in eq... | 04/15/1986 |
| 4552699 | Process for the preparation of 3-acylaminoanilines A process for the preparation of 3-acylaminoanilines of the general formula (1) ##STR1## in which R denotes a branched or unbranched alkyl radical having 1-7 carbon atoms or the phenyl group, which can be substituted by 1-2 methyl groups or by 1... | 11/12/1985 |
| 4549975 | Borated adducts of diamines and alkoxides, as multifunctional lubricant additives, and compositions thereof Borated adducts of alkyl diamines, alkoxides and lower carboxylic acids impart effective multifunctional friction reducing and high temperature stabilizing characteristics to compositions comprising hydrocarbyl lubricants and fuels.... | 10/29/1985 |
| 4529529 | Borated dihydrocarbylenetriamine amides and lubricant and fuel compositions containing same Borated hydrocarbylenetriamine amides can be made by borating the appropriate reaction product of a triamine and an organic monocarboxylic acid. They demonstrate friction reducing and/or fuel consumption reducing properties when formulated into lubricants... | 07/16/1985 |
| 4524005 | Borated dihydrocarbylenetriamine amides and lubricant and fuel compositions containing same Borated hydrocarbylenetriamine amides can be made by borating the appropriate reaction product of a triamine and an organic monocarboxylic acid. They demonstrate friction reducing and/or fuel consumption reducing properties when formulated into lubricants... | 06/18/1985 |
| 4426325 | Process for the preparation of compounds containing carboxylic acid amide groups, in particular or peptides To prepare compounds containing carboxylic acid amide groups, in particular peptides, there are reacted compounds containing a carboxy group, in the presence of dialkylphosphinic acid anhydrides with compounds containing a free amino group.... | 01/17/1984 |
| 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 |
| 4331592 | Process for the preparation of carboxylic acid amides and peptides What is disclosed is a method of making a carboxylic acid amide, including a peptide, by reacting a compound having a free amino group with a compound having a free carboxy group in the presence of an anhydride of an alkane-phosphonic acid.... | 05/25/1982 |
| 4329462 | Process for producing carboxylic amides Carboxylic amides can be produced simply and in good yield by reacting primary alcohols with at least one compound selected from ammonia, primary amines, and secondary amines, in the presence of a molecular oxygen-containing gas and a palladium or platinu... | 05/11/1982 |
