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| Number | Title | Issue Date |
| 7361789 | Dihydronaphthalene compounds, compositions, uses thereof, and methods for synthesis The present invention relates to novel dihydronaphthalene compounds, compositions, methods for using the same, and processes for preparing the same. The present invention also relates to novel total synthesis approaches for preparing these compounds. In addition, th... | 04/22/2008 |
| 7361788 | Direct alkylation of N-alkyl-N′-phenyl-p-phenylenediamine A single-step process is disclosed for the ring alkylation of at least one N-alkyl-N′-phenyl-phenylenediamine with at least one olefin wherein the process comprises heating a mixture of the N-alkyl-N′-phenyl-phenylenediamine(s) and olefin(s) in the presence of a... | 04/22/2008 |
| 7355077 | Process for preparing tolterodine A process for preparing tolterodine with high purity. ... | 04/08/2008 |
| 7186864 | Glucocorticoid mimetics, methods of making them, pharmaceutical compositions, and uses thereof A compound of Formula (IA) or Formula (IB) wherein R1, R2, R3, R4, R5, R6, R7, and R8 are as defined herein, or a tautomer, ... | 03/06/2007 |
| 7164043 | Process for producing β-aminoketone and catalyst therefor A conjugate addition reaction between an α,β-unsaturated ketone compound and a carbamate compound is carried out to synthesize a β-aminoketone, a salt or a hydrate salt of a transition metal of Groups 7 to 11 of the Periodic Table of Elements being present in the... | 01/16/2007 |
| 6888029 | Transition-metal-catalyzed carbon-nitrogen bond-forming methods using carbene ligands The present invention relates to a process for the preparation of N-aryl amine and N-aryl amide compounds. Generally, the process of the present invention involves reacting a compound having a primary or secondary amino or amido group with an arylating compound, in ... | 05/03/2005 |
| 6642420 | Method for producing aldehydes and/or alcohols or amines A process for the preparation of aldehydes and/or alcohols or amines by reacting olefins in the liquid phase with carbon monoxide and hydrogen, a part of these gases being dispersed in the form of gas bubbles in the reaction liquid and another part being ... | 11/04/2003 |
| 6620776 | Detergent additive composition and processes therefore and therewith A novel composition having the formula: ##STR1## wherein R1 is selected from the group consisting of an alkyl group containing from 1 to 20 carbon atoms and an aryl group, and R2 is selected from the group consisting of an alkyl grou... | 09/16/2003 |
| 6506721 | Detergent additive composition and processes therefore and therewith A novel composition having the formula: ##STR1## wherein R1 is selected from the group consisting of an alkyl group containing from 1 to 20 carbon atoms and an aryl group, and R2 is selected from the group consisting of an alkyl grou... | 01/14/2003 |
| 6479697 | Process for the preparation of -(2-4-disulfophenyl)-N-tert-burtylnitrone and pharmaceutically acceptable salts thereof A process for the preparation of -(2,4-disulfophenyl)-N-tert-butylnitrone diacids and pharmaceutically acceptable salts thereof by the reaction of the corresponding disulfophenyl aldehyde with N-tert-butylhydroxylammonium acetate is disclosed.... | 11/12/2002 |
| 6409773 | Coupler for use in oxidative hair dyeing Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of the formula at least one coupler comprising a compound of the formula (1): ##STR1## wherein R is selected from of C1 to C2 alkyl and hydroxyethyl, ... | 06/25/2002 |
| 6100430 | Alicyclic polyamines and process for the preparation thereof An alicyclic polyamine of the formula (1) ##STR1## wherein Y1 represents a saturated aliphatic hydrocarbon group and R1 through R4 are the same or different and each represents hydrogen atom, an alkyl group, a cycloal... | 08/08/2000 |
| 6072085 | Imine hydrosilylation, uses and reagents related thereto The method of the present invention provides a simple general route to a wide range of secondary amines.... | 06/06/2000 |
| 5885538 | Method and composition for the regeneration of an aminal compound The present invention provides a method and composition regeneration of an aminal that has previously been reacted with a sulfide selected from hydrogen sulfide and mercaptans. The method includes contacting a scavenging mixture which includes an aminal, ... | 03/23/1999 |
| 5861535 | Reductive alkylation process to prepare tertiary aminoaryl compounds Tertiary aminoaryl compounds, such as N,N'dialkylaminoaryl compounds, are prepared using successive reductive steps without isolation therebetween, at high temperature and pressure. A nitroaryl compound is reduced using a ketone as both solvent and reacta... | 01/19/1999 |
| 5817877 | Metal-catalyzed amination of organic sulfonates to organic amines A process of preparing an organic amine having at least one unsaturated group, such as an arylamine, involving contacting an unsaturated organic sulfonate, such as an aryl sulfonate, with a reactant amine, such as an alkyl or aryl amine, in the presence o... | 10/06/1998 |
| 5773656 | Process for the preparation of optically active 1-aryl-alkylamines Known (R)-1-aryl-alkylamines of the formula ##STR1## in which R1 and Ar have the meanings indicated in the description, are prepared by a new process, which comprises a) reacting a racemate of an ethyl or methyl 2-aryl-alkanoate of the for... | 06/30/1998 |
| 5616799 | Process for the preparation of glycoloylanilides A process for the preparation of glycoloylanilide of the formula (G) ##STR1## is recited that involves reacting a nitrobenzene with hydrogen and, if desired, with a carbonyl compound, in the presence of a noble metal catalyst and a solvent, reacting ... | 04/01/1997 |
| 5536878 | Method for preparing aromatic secondary amino compound Disclosed are (1) a method for preparing an aromatic secondary amino compound which comprises reacting an N-cyclohexylideneamino compound in the presence of a hydrogen moving catalyst and a hydrogen acceptor by the use of a sulfur-free polar solvent and/o... | 07/16/1996 |
| 5436371 | Process for preparing p-nitroaromatic amides and products thereof A process for preparing p-nitroaromatic amides is provided which comprises contacting a nitrile, nitrobenzene, a suitable base and water in the presence of a suitable solvent system to form a mixture, and reacting the mixture at a suitable temperature in ... | 07/25/1995 |
| 5395971 | Molybdenum-catalyzed amination of olefins A process for making unsaturated -amines from olefins wherein the process includes adding an aminating agent, an olefin and a molybdenum based catalyst to a reaction vessel having a nitrogen atmosphere. The catalyst may be described by the general ... | 03/07/1995 |
| 5382690 | Method for preparing aromatic secondary amino compound Disclosed are (1) a method for preparing an aromatic secondary amino compound which comprises reacting an N-cyclohexylideneamino compound in the presence of a hydrogen moving catalyst and a hydrogen acceptor by the use of a sulfur-free polar solvent and/o... | 01/17/1995 |
| 5371289 | Preparation of N-substituted-N'-phenyl p-phenylenediamines The present invention relates to a process for the preparation of a N-substituted-N'-phenyl-p-phenylenediamine of the formula: ##STR1## comprising reacting (a) a mixture of (1) N-phenyl-p-quinoneimine of the formula: ##STR2## and (2) p-hydr... | 12/06/1994 |
| 5344987 | Process for preparing diphenylamines Optionally substituted diphenylamines can be obtained by reacting optionally substituted anilines with optionally substituted cyclohexanones over a supported catalyst at 200°-450° C. and 0.1-20 bar, the supported catalyst containing one or more metals h... | 09/06/1994 |
| 5344983 | Selective preparation of linear pentane-1,5-diamines in increased yields Process for preparing a pentane-1,5-diamine of the formula ##STR1## where R1 represents a variety of organic radicals including alkyl which can bear substituents such as hydroxyl, halogen, alkoxy, carbalkoxy, carboxyl, alkylamino, cycloalk... | 09/06/1994 |
| 5276193 | Process for preparing N-alkyl-substituted aminophenols A process for preparing an N-alkyl-substituted aminophenol is disclosed, comprising continuously feeding an aldehyde or a ketone to a reaction system containing an organic solvent, a catalyst for reduction, hydrogen, and an aminophenol to conduct a reduct... | 01/04/1994 |
| 5231217 | Process for the preparation of amine-terminated compounds The present invention is directed to a novel solvent-free process for preparing amine terminated compounds by reacting a polyfunctional acetoacetic acid ester with either ammonia or an organic compound which contains one or more primary amino groups in th... | 07/27/1993 |
| 5221770 | Process for the preparation of 2-amino-5,6-dimethoxy-tetralin A process is disclosed for the preparation of 2-amino-5,6-dimethoxy-tetralin, which is a useful intermediate for the preparation of pharmacologically active chemical compounds.... | 06/22/1993 |
| 5202485 | Process for preparing N-alkylaminophenols A process for preparing an N-alkylaminophenol is disclosed, comprising subjecting an aminophenol to reductive alkylation with an aldehyde or a ketone in the presence of an organic solvent and hydrogen, wherein the reductive alkylation is carried out at a ... | 04/13/1993 |
| 5066824 | Novel process for the preparation of amine-terminated compounds The present invention is directed to a process for preparing amine terminated compounds by reacting a polyfunctional acetoacetic acid ester with either ammonia or an organic compound which contains one or more primary amino groups in the presence of a sol... | 11/19/1991 |
| 5053540 | Preparation of a para-aminodiphenylamine The present invention relates to a process for the preparation of a p-aminodiphenylamine comprising reacting N-phenylquinoneimine of the formula: ##STR1## with ammonia, ammonium hydroxide or mixtures thereof, wherein the molar ratio of N-phenylq... | 10/01/1991 |
| 4774359 | Polyenamines from aromatic diacetylenic diketones and diamines The synthesis and characterization of several polyenamine ketones are discussed wherein conjugated diacetylenic diketones and aromatic diamines are used as a route to the formation of high molecular weight polyenamine ketones which exhibit good mechanical... | 09/27/1988 |
| 4730075 | Chemical process involving ethers and amines A process for the production of (1) an ether or (2) a second amine comprises reacting an activated olefin with respectively an alcohol or first amine in the presence of a catalyst which is either (a) an amidine or (b) a Lewis base and epoxide. The same ca... | 03/08/1988 |
| 4663483 | Polyenamines from aromatic diacetylenic diketones and diamines The synthesis and characterization of several polyenamine ketones are discussed wherein conjugated diacetylenic diketones and aromatic diamines are used as a route to the formation of high molecular weight polyenamine ketones which exhibit good mechanical... | 05/05/1987 |
| 4621158 | Method for making amines A method for making amines by reacting alcohols and/or aldehydes with primary and/or secondary amines or with ammonia in the presence of a catalyst at elevated temperature, and optionally at elevated pressure, in the liquid phase, the catalyst being an un... | 11/04/1986 |
| 4506039 | Process for the production of polymer-containing aromatic polyether polyamines Polymer-containing polyether polyamines containing terminal aromatically-bound amino groups are produced by in situ polymerization of a polyether polyamine with an olefinically unsaturated monomer. The polyether polyamine starting material must have termi... | 03/19/1985 |
| 4480140 | Process for alkylating phenolic compounds to produce ortho or para-monoalkylated or 2,4- or 2,6-dialkylated phenols Phenols alkylated in the ortho and/or para positions are produced in good yields and in the absence of isomers from phenolic compounds having at least two alkylateable ortho-ortho or ortho-para positions open. The phenolic compound is first partially chlo... | 10/30/1984 |
| 4475001 | Process for alkylating phenolic compounds to produce ortho- or para-monoalkylated phenols or 2,4- or 2,6-dialkylated phenols Ortho- or para-monoalkylated phenols or 2,4- or 2,6-dialkylphenols can be produced from phenolic compounds in good yields and in the absence of isomers. The starting phenol which has at least two available ortho or para positions unsubstituted is converte... | 10/02/1984 |
| 4456467 | 1-Methylene carbonyl derivatives of 3-aryloxy-4-phenyl-azet-2-one 1-Methylene carbonyl derivatives of 3-aryloxy-4-phenyl-azet-2-ones are effective plant-growth regulators.... | 06/26/1984 |
| 4434299 | Production of aromatic amines using crystalline silicate catalysts A process for the preparation of aniline by reaction of alicyclic alcohols or ketones with ammonia in the presence of a crystalline silicate catalyst having the structure of ZSM-5. Especially preferred alicyclic charge stocks are the mononuclear naphtheni... | 02/28/1984 |
