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| Number | Title | Issue Date |
| 7795464 | Method for producing α-amino acid including phosphorus and production intermediates thereof A method for efficiently producing L-2-amino-4-(hydroxymethylphosphinyl)-butanoic acid, useful as a herbicide, by a catalytic asymmetric synthesis reaction with a high asymmetric yield. The method includes a step in which a compound represented by the below formula ... | 09/14/2010 |
| 7390920 | Oxidation catalyst and process This invention relates to the field of heterogeneous catalysis, and more particularly to catalysts including carbon supports having formed thereon compositions which comprise a transition metal in combination with nitrogen and/or carbon. The invention further relate... | 06/24/2008 |
| 7375244 | Production method for aminophosphonic acid derivatives To present a reaction system that efficiently catalyzes an enantio selective asymmetric nucleophilic addition reaction of an α-iminophosphonic acid ester. An optically active α-amino-γ-oxophosphonic acid derivative is produced through an asymmetric addition react... | 05/20/2008 |
| 7129373 | Oxidation catalyst and process An oxidation catalyst is prepared by pyrolyzing a source of iron and a source of nitrogen on a carbon support. Preferably, a noble metal is deposited over the modified support which comprises iron and nitrogen bound to the carbon support. The catalyst is effective f... | 10/31/2006 |
| 7067693 | Deeply reduced oxidation catalyst and its use in preparing N-(phosphonomethyl) glycine compounds This invention relates to an improved catalyst, comprising a carbon support having a noble metal at its surface, for use in catalyzing liquid phase oxidation reactions, especially in an acidic oxidative environment and in the presence of solvents, reactants, interme... | 06/27/2006 |
| 6864218 | Method of making phosphorus-containing compounds and products thereof A process for oxidizing a hydroxymethylphosphonic acid compound to produce a formylphosphonic acid compound is described. The oxidation reaction is carried out in the presence of an oxidant and a catalyst. For example, hydroxymethylphosphonic acid (HMPA) is oxidized... | 03/08/2005 |
| 6700007 | Method for preparing alkoxyamines from nitroxides A process for preparing alkoxyamines in a biphasic medium comprises mixing an ionic liquid, an organic solvent, a metal salt, a ligand for the metal, a halocarbon compound ZX and a nitroxide, keeping the reaction medium stirring at a temperature of betwee... | 03/02/2004 |
| 6242615 | Process for the preparation of N-(3-hydroxy-succinyl)-amino acid derivatives Processes for preparing compounds of the formula (I) are described: P1 OOC--CH(OH)--CHR1 --CONH--Z wherein P1 is hydrogen or a protecting group, Z is a group --CHR2 COOP2 or --CHR2 CONR | 06/05/2001 |
| 6218563 | Cyanophosphonamides and method for preparation The present invention provides a process for preparing a cyanophosphonamide comprising contacting phosphoric anhydride and a cyanide, preferably in the presence of a Lewis base, to produce a cyanophosphonate intermediate, and subsequently contacting the c... | 04/17/2001 |
| 6147245 | Preparation and use of -Keto Bisphosphonates A unique method for the synthesis of substantially pure -keto bisphosphonate esters and the usage of these esters in reactions with C, N, O, or P nucleophiles for synthesis of -functionalized bisphosphonates. The method starts with a reactio... | 11/14/2000 |
| 6005140 | Process for making glyphosate by oxidizing N-substituted glyphosates This invention is directed to process for making a composition having the formula (I): ##STR1## wherein R3, R4, and R5 are independently hydrogen, substituted or unsubstituted hydrocarbyl, or an agronomically acceptab... | 12/21/1999 |
| 5990337 | Process for the preparation of 2-cyanoethylphosphinic esters The invention relates to a process for the preparation of phosphorus-containing compounds of the formula (I) ##STR1## where R1 and R2 are identical or different and are a straight-chain or branched alkyl radical having 1 to 8 ca... | 11/23/1999 |
| 5905163 | Method for preparing aminomethylphosphonate derivatives via hydrogenation of cyanophosphonate derivatives A novel process for preparing aminomethylphosphonate derivatives involves the hydrogenation of cyanophosphonate derivatives in the presence of a catalyst to produce aminomethylphosphonate derivatives.... | 05/18/1999 |
| 5861525 | Method for preparing cyanophosphonate derivatives from phosphate esters and cyanide A process for preparing cyanophosphonate derivatives involves contacting a phosphate ester and cyanide in a reaction mixture under conditions sufficient to produce a cyanophosphonate derivative. That cyanophosphonate derivative product can subsequently be... | 01/19/1999 |
| 5859278 | Method for preparing cyanophosphonate derivatives from pyrophosphate or polyphosphate esters and cyanide A process for preparing cyanophosphonate derivatives involves contacting a pyrophosphate ester or a polyphosphate ester and cyanide in a reaction mixture under conditions sufficient to produce the cyanophosphonate derivative. The cyanophosphonate derivati... | 01/12/1999 |
| 5858317 | Method for preparing cyanophosphonate derivatives from phosphoric anhydride and cyanide A process for preparing cyanophosphonate derivatives involves contacting phosphoric anhydride (P4 O10) and a cyanide, preferably in the presence of a Lewis base, in a reaction mixture under sufficient conditions to produce a cyanopho... | 01/12/1999 |
| 5824809 | Alpha-aminophosphonates and processes for their preparation Novel -aminophosphonates are provided along with processes and intermediates for their preparation. In preferred embodiments, scalemic -aminophosphonates are prepared by the stereoselective addition of phosphite salts to chiral imines.... | 10/20/1998 |
| 5760270 | Process of producing ether-type thio-phospholipids A method of producing an ether-type thio-phospholipid of the formula (I): ##STR1## wherein: n is an integer of 13 to 17; A is C14 -C20 acyl group; G is a group selected from the group consisting of: ##STR2## which is useful as s... | 06/02/1998 |
| 5648509 | Process for the preparation of diesters of phosphonocarboxylic acid derivatives The addition of acid diesters of phosphorous acid onto alpha,beta-unsaturated carboxylic acid derivatives under basic catalysis is achieved with good yields if it is carried out in the presence of alkali metal alcoholates or phenolates and in the presence... | 07/15/1997 |
| 5608098 | Bis(aminomethyl)phosphinic acid derivatives and process for the preparation of bis(aminomethyl)phosphinic acid derivatives Novel bis(aminomethyl)phosphinic acid derivatives and process for the preparation of bis(aminomethyl)phosphinic acid derivatives Compounds of the formula VI ##STR1## can be prepared by reaction of a compound of the formula IV ##STR2## with a b... | 03/04/1997 |
| 5578190 | Process for the preparation of glyphosate and glyphosate derivatives A process for preparing glyphosate and other secondary amines of related structure in which a precursor primary amine such as aminomethylphosphonic acid is condensed with glyoxylic acid, or a related aldehyde compound, and the condensation product reduced... | 11/26/1996 |
| 5530142 | Process for the preparation of phosphorus-containing L-amino acids and their esters and N-derivatives Process for the preparation of optically active 4-(phosphinoethyl)-1,3-oxazolidin-5-one derivatives. The invention relates to a process for preparing optically active compounds of formula (IV) ##STR1## in which the radicals R1, R2 | 06/25/1996 |
| 5510504 | Process for the preparation of derivatives of bis(amino-methyl) phosphinic acid A process for the preparation of - or ,'-substituted derivatives of the bis(aminomethyl)phosphinic acid of the formula I and their acid or basic salts, ##STR1## in which R1, R2 and R3 are defined ... | 04/23/1996 |
| 5424441 | N-aralkyl-and N-heteroaralkyl-aminoalkanephosphinic acids N-aralkyl- and N-heteroaralkyl-aminoalkanephosphinic acids of formula I ##STR1## wherein R is an aliphatic, cycloaliphatic, cycloaliphatic-aliphatic, araliphatic or heteroarylaliphatic radical having at least 2 carbon atoms, R1 is hydrogen... | 06/13/1995 |
| 5391800 | Method for inhibition of cell motility by sphingosine-1-phosphate, its derivatives and mimetics and method of synthesizing sphingosine-1-phosphate and its derivatives A method of inhibiting tumor cell chemotactic and/or chemoinvasion motility comprising contacting the tumor cell with an inhibitory amount of an agent selected from the group consisting of sphingosine-1-phosphate, derivatives of sphingosine-1-phosphate an... | 02/21/1995 |
| 5321153 | Process for making chiral alpha-amino phosphonates selected novel chiral alpha-amino phosphonates This invention is selected novel chiral (essentially pure) alpha-amino phosphonates, process for the preparation which is a catalytic asymmetric hydrogenation of olefins and novel intermediates therefor. The alpha-amino phosphonates are useful as antibiot... | 06/14/1994 |
| 5315023 | Process for the preparation of glycerophospholipids A process for the preparation of highly pure deacylated glycerophosphorylcholine, glycerophosphorylethanolamine and glicerophosphorylserine starting from mixtures of the corresponding acylated derivatives. The process according to the invention is charact... | 05/24/1994 |
| 5288418 | Amine-coupled hindered phenols and phosphites as multifunctional antioxidant/antiwear additives Amine coupled condensation products of hindered phenols and phosphites have been found to be effective antioxidant/antiwear additives for lubricants.... | 02/22/1994 |
| 5051525 | N-acyl-2-amino acid amides containing phosphinic esters, process for their preparation, and N-acyl-2-amino acids nitriles as precursors N-acyl-2-amino acid amides containing phosphinic esters, process for their preparation, and N-acyl-2-amino acid nitriles as precursors Phosphorus-containing N-acyl-2-amino acid amides of the general formula (I) ##STR1## where R1 is alkyl, optio... | 09/24/1991 |
| 5051524 | Substituted propane-phosphinic acid compounds Compounds of the formula I ##STR1## wherein R denotes an aliphatic, cycloaliphatic, cycloaliphatic-aliphatic or araliphatic radical having 2 or more carbon atoms, and wherein one of the groups R1, R2 and R3 represents... | 09/24/1991 |
| 5043474 | Optically active rhodium complexes of 3,4-bis(diarylphosphino)pyrrolidines and their use for the preparation of phosphinothricin by asymmetric hydrogenation The invention relates to rhodium complexes of the formula [A--O--(CH2 CH2 O)n --A]2+ 2X- (Ia) and [A--O--(CH2 CH2 O)m --CH3 ]+ X-(Ib) in which n=5... | 08/27/1991 |
| 4933470 | Method of synthesis of vicinal diamines A method is described for producing vicinal diamines comprising the steps of converting a compound, possessing a leaving group on a carbon atom interposed between carbon atoms containing amino groups, to an aziridine-containing compound and reacting the l... | 06/12/1990 |
| 4922006 | Process for the preparation of L-phosphinothricine (derivatives) and also of their alkyl esters The process for the preparation of L-phosphinothricine (derivatives) by homogeneous asymmetric hydrogenation of 2,3-dehydrophospinothricine (derivatives) by means of suitable ruthenium, rhodium or iridium catalysts.... | 05/01/1990 |
| 4921992 | Process for manufacturing amides Amide compounds useful as additives in lubricating fluids as extreme pressure/antiwear agents are produced on a manufacturing scale. The amides are produced by simultaneously adding together and reacting a phosphorus-containing acid and aqueous acrylamide... | 05/01/1990 |
| 4886542 | Herbicide compositions of N-(phosphonomethylglycyl) sulfonylamines and process for using same Herbicidal compounds of formula: ##STR1## in which R1 denotes an optionally halogenated alkyl radical containing from 1 to 4 carbon atoms, R denotes the hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms, R2 den... | 12/12/1989 |
| 4868269 | Process for the preparation of n-sulphonyl-n-(phosphonomethylglycyl) amines Preparation of compounds with herbicidal properties, of formula ##STR1## wherein R1 represents a hydrocarbon radical; R represents a hydrogen atm or a hydrocarbon radical; and R22 represents a hydrogen atom, an aryl radical, or a substitu... | 09/19/1989 |
| 4777279 | Process for the preparation of L-homoalanin-4-yl(methyl)-phosphinic acid and its alkyl esters Process for the preparation of L-homoalanin-4-yl(methyl)-phosphinic acid (esters) of the formula I ##STR1## (R, R1 =H, alkyl) or salts thereof by reacting an R-3-isopropyl-2,5-dialkoxy-3,6-dihydropyrazine of the formula II with a �... | 10/11/1988 |
| 4689421 | 1-[(diorganooxyphosphonyl)methyl]-2,4,- and -2,6-diamino benzines and their derivatives 1-[(Diorganooxyphosphonyl)methyl]-2,4- and -2,6-dinitro- and diamino benzenes are prepared by nitrating an (organophosphonyl)methyl benzene to produce The dinitro compounds which are then reduced to the diamino compounds. The organo groups (alkyl, haloalk... | 08/25/1987 |
| 4675429 | Herbicides of the type N-(phosphonomethylglycyl)sulfonylamines process for forming N-(phosphonomethylglycyl) sulfonylamides Herbicidal compounds of formula: ##STR1## in which R1 denotes an optionally halogenated alkyl radical containing from 1 to 4 carbon atoms, R denotes the hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms, R2 den... | 06/23/1987 |
| 4654429 | Process for the preparation of a glyphosate product A process for the preparation of a glyphosate product. An -substituted N-phosphonomethylamino diacetic acid substrate is contacted in an aqueous medium with molecular oxygen in the presence of a catalyst for the oxidative cleavage of a substituent ... | 03/31/1987 |
