Alpha Aralkyl Benzyl Amines Patents (Class 564/373)
-
Patent number: 10703852Abstract: An isocyanate composition is prepared from an amine composition, which comprises (a) 99% to less than 100% by weight of m-xylylenediamine; (b) greater than 0% to 0.5% by weight of p-xylylenediamine; and (c) greater than 0% to 0.5% by weight of at least one selected from the group consisting of benzylamine, 4-methylbenzylamine, and 4-cyanobenzylamine. Therefore, the isocyanate composition used in the preparation of a polythiourethane can be controlled to a specific composition in the synthesis thereof, which makes it possible to conveniently produce an optical lens with a high quality.Type: GrantFiled: May 15, 2018Date of Patent: July 7, 2020Assignee: SKC CO., LTD.Inventors: Junghwan Shin, Hyuk Hee Han, Jongmin Shim
-
Patent number: 9061963Abstract: A process is described for preparing aromatic and heteroaromatic amines of the general formula (I) Ar—NR1R2, in which an aromatic compound with the general formula (II) Ar—X is reacted in the presence of a catalyst with an amine of the general formula (III) H—NR1R2 and a base, wherein the catalyst is selected from transition metal complexes having one or more ligands with the general formula (IV).Type: GrantFiled: April 3, 2012Date of Patent: June 23, 2015Assignee: STUDIENGESELLSCHAFT KOHLE MBHInventors: Manfred Reetz, Gerlinde Mehler
-
Publication number: 20140121413Abstract: Disclosed are processes and apparatuses for producing a reaction product and enabling the reaction product to be removed from a reactor operating at an elevated pressure, while simultaneously maintaining the gas pressure and retaining the catalyst inside the apparatus.Type: ApplicationFiled: June 8, 2012Publication date: May 1, 2014Inventors: Michael D. Major, John D. Gummere
-
Publication number: 20140051858Abstract: The present disclosure relates to a preparation method for powder of a carbamic acid derivative, which includes reacting a liquid amine derivative with carbon dioxide at a temperature in a range of from about ?30° C. to about 500° C. at a pressure in a range of from about 0.3 MPa to about 100 MPa. In addition, the present disclosure relates to a reduction method for powder of a carbamic acid derivative to a liquid amine derivative and carbon dioxide, which includes dissolving powder of the carbamic acid derivative prepared in a solvent; refluxing the carbamic acid derivative at a temperature in a range of from about 30° C. to about 100° C.; and evaporating the solvent.Type: ApplicationFiled: August 14, 2013Publication date: February 20, 2014Applicant: Sogang University Research FoundationInventors: Nam Hwi HUR, Byeong No LEE
-
Patent number: 8642812Abstract: A compound having the formula (I) where each of R1, R2, R3 and R4 is independently C6-C18 aryl-, C5-C8 cycloalkyl-, C6-C18 aryl having at least one C1-C20 alkyl substituent, C5-C8 cycloalkyl having at least one C1-C20 alkyl substituent, C4-C20 branched alkyl-, C16-C20 linear alkyl-, RO—, —NRR?, —PRR?, —SR, fluoro substituted forms thereof, and perfluoro forms thereof: and R5 is C6-C18 aryl-, C3-C8 cycloalkyl-, C6-C18 aryl having at least one C1-C20 alkyl substituent, C5-C8 cycloalkyl having at least one C1-C20 alkyl substituent, C3-C20 branched alkyl-, C2-C30 linear alkyl-, fluoro substituted forms thereof, and perfluoro forms thereof; where R and R? are each independently C6-C18 aryl-, C5-C8 cycloalkyl-, C6-C18 aryl having at least one C1-C20 alkyl substituent, C5-C8 cycloalkyl having at least one C1-C20 alkyl substituent, C4-C20 branched alkyl-, C2-C30 linear alkyl-, fluoro substituted forms thereof, and perfluoro forms thereof; A is N, P, S, or O with the proviso that when A is S, R2 is a nullity; and M isType: GrantFiled: September 14, 2012Date of Patent: February 4, 2014Assignee: Stephan Consulting CorporationInventors: Douglas W. Stephan, Gregory C. Welch, Jenny S. J. McCahill
-
Publication number: 20130317226Abstract: The present invention relates to the use of the Sigma-1 receptor (Sig1R) in the context of the post-transcriptional regulation of the membrane expression of ion channels. The present invention can be used in the field of the treatment of diseases involving ion channels. These are, for example, nervous system diseases, neurodegenerative diseases, heart diseases, and cancer.Type: ApplicationFiled: January 31, 2012Publication date: November 28, 2013Applicants: UNIVERSITE NICE SOPHIA ANTIPOLIS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRSInventors: Olivier Soriani, Mauro Franck Borgese, Sonia Martial
-
Publication number: 20130274487Abstract: The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of specific ruthenium catalysts, or pre-catalysts, in hydrogenation processes for the reduction of ketones and/or aldehydes into the corresponding alcohol respectively. Said catalysts are ruthenium complexes comprising a tetradentate ligand (L4) coordinating the ruthenium with: two nitrogen atoms, each in the form of a primary or secondary amine (i.e. a NH2 or NH group) or N-alkyl imine functional groups (i.e. a C?N group), and two sulfur atoms, each in the form of thioether functional groups.Type: ApplicationFiled: December 19, 2011Publication date: October 17, 2013Applicant: FIRMENICH SAInventors: Sylvia Joyeuse Adélaïde Ada Saudan, Michel Alfred Joseph Saudan
-
Patent number: 8501997Abstract: The present invention discloses both amine compositions and amine-epoxy compositions containing N,N?-dimethyl-meta-xylylenediamine. A novel process for producing amines such as N,N?-dimethyl-meta-xylylenediamine, and structurally similar amines, is also disclosed.Type: GrantFiled: August 25, 2008Date of Patent: August 6, 2013Assignee: Air Products and Chemicals, Inc.Inventors: Gamini Ananda Vedage, John Anthony Marsella
-
Publication number: 20130018207Abstract: A compound having the formula (I) where each of R1, R2, R3 and R4 is independently C6-C18 aryl-, C5-C8 cycloalkyl-, C6-C18 aryl having at least one C1-C20 alkyl substituent, C5-C8 cycloalkyl having at least one C1-C20 alkyl s?bstituent, C4-C20 branched alkyl-, C16-C20 linear alkyl-, RO—, —NRR?, —PRR?, —SR, fluoro substituted forms thereof, and perfluoro forms thereof: and R5 is C6-C18 aryl-, C5-C8cycloalkyl-, C6-C18 aryl having at least one C1-C20 alkyl substituent, C5-C8 cycloalkyl having at least one C1-C20 alkyl substituent, C3-C20 branched alkyl-, C2-C30 linear alkyl-, fluoro substituted forms thereof, and perfluoro forms thereof; where R and R? are each independently C6-C18 aryl-, C5 -C8 cycloalkyl-, C6-C18 aryl having at least one C1-C20 alkyl substituent, C5-C8 cycloalkyl having at least one C1-C20 alkyl substituent, C4-C20 branched alkyl-, C2-C30 linear alkyl-, fluoro substituted forms thereof, and perfluoro forms thereof; A is N, P, S, or O with the proviso that when A is S, R2 is a nullity; and M isType: ApplicationFiled: September 14, 2012Publication date: January 17, 2013Applicant: STEPHAN CONSULTING CORPORATIONInventors: Douglas W. Stephan, Preston A. Chase, Gregory C. Welch
-
Patent number: 8293948Abstract: A reagent for organic synthesis with which a chemical reaction can be conducted in a liquid phase and unnecessary compound(s) can be easily separated at low cost from the liquid phase after completion of the reaction. The reagent for organic synthesis reversibly changes from a liquid-phase state to a solid-phase state with changes in solution composition and/or solution temperature, and is for use in organic synthesis reactions. This reagent for organic syntheses facilitates process development. With the reagent, research on and development of, e.g., medicines through, e.g., compound library synthesis, etc. can be accelerated. It can hence contribute to technical innovations in the biochemical industry and chemical industry.Type: GrantFiled: January 9, 2012Date of Patent: October 23, 2012Assignee: Jitsubo Co., Ltd.Inventors: Kazuhiro Chiba, Shokaku Kim, Yusuke Kono
-
Patent number: 8247610Abstract: The present invention relates to compounds of Formula I as shown below, wherein the definitions of A, X, Y, R1 R2, R3, R4, R5, R6, R7, R8, and R9 are provided in the specification. Compounds of Formula I are useful for the treatment of diseases associated with ?-secretase activity, including Alzheimer's disease.Type: GrantFiled: October 17, 2008Date of Patent: August 21, 2012Assignees: Janssen Pharmaceutica N.V., Cellzome LimitedInventors: Chih Yung Ho, Yan Zhang, Umar S. M. Maharoof, John Harrison, Jeremy Major, Svenja Burckhardt, Alison Jones
-
Patent number: 8211878Abstract: The present invention provides methods for prevention and prophylaxis of neurological diseases accompanied by neuronal death in a patient. The invention includes use of 5-benzylamino salicylic acid (BAS) and its derivatives. Thus, the present invention provides methods for reducing neuronal death in nervous system injuries resulting from amyotrophic lateral sclerosis.Type: GrantFiled: May 24, 2010Date of Patent: July 3, 2012Assignee: Neurotech Pharmaceuticals Co., Ltd.Inventors: Byoung Joo Gwag, Young Ae Lee, Bo Rum Ryu, Sung Hwa Yoon, Ho Sang Moon
-
Patent number: 8093429Abstract: Provided are a fluorous-tag-introduced fluoroamine of a general formula (I), its production method, a method of fluorination of a substrate having functional group containing oxygen with the fluoroamine serving as a fluorinating agent, and a method of recovering a fluorous-tag-introduced amide after the fluorination. The fluoroamine and its production method, as well as the fluorination method with the fluoroamine and the method of recovery of a fluorous-tag-introduced amide are ecological and advantageous in industrial use, as the load for separating and collecting the product after the fluorination with the fluoroamine serving as a fluorinating agent is small. (In the formula, R0 is an alkyl group or an aryl group having substituent(s) of Rf—(CH2)m—; Rf is a perfluoroalkyl group; m is from 0 to 2; R1 and R2 each are an alkyl group or an aryl group.Type: GrantFiled: May 31, 2007Date of Patent: January 10, 2012Assignees: National University Corporation Hokkaido University, Mitsubishi Gas Chemical Company, Inc.Inventors: Toshio Hidaka, Takafumi Yoshimura, Shoji Hara, Tsuyoshi Fukuhara
-
Publication number: 20110184071Abstract: The present invention relates to an improved process for the preparation of rasagiline (1) and its pharmaceutically acceptable salts. In particular it relates to a process for preparing rasagiline (1) and its salts substantially free from impurities.Type: ApplicationFiled: June 2, 2009Publication date: July 28, 2011Inventors: Vinayak Gore, Bindu Manojkumar, Sandeep Sonawane, Dattatrey Kokane, Sinderpal Tank
-
Publication number: 20110178326Abstract: Disclosed herein are convenient, industrially advantageous and environmentally friendly processes for the preparation of cinacalcet hydrochloride. Disclosed also herein are novel hydrochloride, oxalate and di-p-toluoyl-L-(+)-tartrate salts of (R)-?-methyl-N-[3-[3-(trifluoromethyl)phenyl]propylene]-1-naphthalenemethaneamine (unsaturated cinacalcet), solid state forms of the salts, and a process for their preparation thereof.Type: ApplicationFiled: August 6, 2009Publication date: July 21, 2011Applicant: ACTAVIS GROUP PTC EHFInventors: Sonny Sebastian, Seetha Rama Sarma, Katikireddy Ramamurthy, Nitin Sharadchandra Pradhan
-
Publication number: 20110172455Abstract: The resent invention rovides a novel rocess for re arin cinacalcet of formula I and pharmaceutically acceptable salts thereof and process of purification. The present invention also provides novel nitrogen protected synthetic intermediates useful in the process of the present invention. Further, the present invention provides a novel substituted carbamate impurity and process of preparation thereof.Type: ApplicationFiled: July 6, 2009Publication date: July 14, 2011Applicant: IND-SWIFT LABORATORIES LIMITEDInventors: Venkateswaran Srinivasan Chidambaram, Ramkaran Prajapaty, Perminder Singh Johar, Ekta Sharma, Lalit Wadhwa
-
Publication number: 20110124917Abstract: The present invention relates to a process for the preparation of (R)-(1-Naphthalen-1-yl-ethyl)-[3-(3-trifluoromethyl-phenyl)-propyl]-amine or a salt thereof, in particular the hydrochloride, and intermediates useful in its synthesis.Type: ApplicationFiled: November 24, 2010Publication date: May 26, 2011Applicant: DIPHARMA FRANCIS s.r.l.Inventors: Pietro ALLEGRINI, Emanuele Attolino, Davide Rossi
-
Patent number: 7834062Abstract: The present invention relates to Mannich base antimalarial aminoalkylphenol compounds and their use against protozoa of the genus Plasmodium, particularly emerging strains of drug-resistant Plasmodia. This invention further relates to compositions containing such compounds and a process for making the compounds. This and other aspects of the invention are realized upon review of the entire specification.Type: GrantFiled: August 13, 2009Date of Patent: November 16, 2010Assignee: Merck Sharp & Dohme Corp.Inventors: Conrad P. Dorn, Mary Ann Powles, Thomas F. Walsh, Matthew J. Wyvratt
-
Patent number: 7700657Abstract: Novel vitamin D analogs, markedly active in the fields of cell proliferation and differentiation, are selected from among (4E,6E)-7-{3-[2-(3,4-bis-hydroxymethylphenyl)-ethyl]phenyl}-3-ethylnona-4,6-dien-3-ol, (E)-6-[3-(3,4-bis-hydroxymethylbenzyloxy)phenyl]1,1,1-trifluoro-2-trifluoromethyloct-5-en-3-yn-2-ol, (3E,5E)-6-[3-(3,4-bis-hydroxymethylbenzyloxy)-phenyl]-1,1,1-trifluoro-2-trifluoromethylocta-3,5-dien-2-ol, (E)-6-{3-[2-(3,4-bis-hydroxymethylphenyl)ethyl]phenyl}-1,1,1-trifluoro-2-trifluoromethyloct-5-en-3-yn-2-ol, and (3E,5E)-6-{3-[2-(3,4-bis-hydroxymethylphenyl)-ethyl]phenyl-1,1,1-trifluoro-2-trifluoromethylocta-3,5-dien-2-ol, and the geometric isomers thereof and these compounds in which one or more of the hydroxyl functions are protected by a protective group —(C?O)—R, in which R is a linear or branched alkyl radical having from 1 to 6 carbon atoms, an aryl radical having from 6 to 10 carbon atoms, or an aralkyl radical having from 7 to 11 carbon atoms, the aryl radical or the aralkyl radical optionalType: GrantFiled: November 24, 2003Date of Patent: April 20, 2010Assignee: Galderma Research & DevelopmentInventor: Jean-Michel Bernardon
-
Patent number: 7589127Abstract: The present invention relates to Mannich base antimalarial aminoalkylphenol compounds and their use against protozoa of the genus Plasmodium, particularly emerging strains of drug-resistant Plasmodia. This invention further relates to compositions containing such compounds and a process for making the compounds. This and other aspects of the invention are realized upon review of the entire specification.Type: GrantFiled: June 20, 2003Date of Patent: September 15, 2009Assignee: Merck & Co., Inc.Inventors: Conrad P. Dorn, Mary Ann Powles, Thomas F. Walsh, Matthew J. Wyvratt
-
Patent number: 7416864Abstract: The present invention is directed to the use of a class of peptide compounds for treating primary or/and secondary dyskinesias such as tardive dyskinesia.Type: GrantFiled: May 16, 2005Date of Patent: August 26, 2008Assignee: Schwarz Pharma AGInventor: Thomas Stoehr
-
Patent number: 7256204Abstract: A compound of the formula: wherein Ar is an aromatic ring assembly group which may be substituted or a fused aromatic group which may be substituted; X is (i) a bond, (ii) —S—, —SO— or —SO2—, (iii) C1-6 alkylene, C2-6 alkenylene or C2-6 alkynylene, etc.Type: GrantFiled: August 21, 2003Date of Patent: August 14, 2007Assignee: Takeda Pharmaceutical Company LimitedInventors: Kaneyoshi Kato, Jun Terauchi, Hiroaki Fukumoto, Mitsuru Kakihana
-
Patent number: 7189878Abstract: The present invention relates to a tetrafluorobenzyl derivative and a pharmaceutical composition for prevention and treatment of acute and chronic neurodegenerative disease in central nervous system and ophthalmic diseases containing the same. The tetrafluorobenzyl derivative of the present invention can effectively be used to prevent and treat chronic neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease and Huntington's disease, degenerative brain disease such as epilepsy and ischemic brain disease such as stroke.Type: GrantFiled: June 22, 2005Date of Patent: March 13, 2007Assignee: Neurotech Co., Ltd.Inventors: Byoung-Joo Gwag, Sung-Hwa Yoon, Ho-Sang Moon, Eun-Chan Park, Seok-Joon Won, Young-Ae Lee, Hae-Un Lee
-
Patent number: 7189864Abstract: A synthesis is described for intermediates which are readily amenable to the large scale preparation of hydroxyethylurea-based chiral HIV protease inhibitors. The method includes forming a diastereoselective epoxide from a chiral alpha amino aldehyde.Type: GrantFiled: October 13, 2004Date of Patent: March 13, 2007Assignee: G.D. Searle & Co.Inventors: John S. Ng, Claire A. Przybyla, Richard A. Mueller, Michael L. Vazquez, Daniel P. Getman
-
Patent number: 6956132Abstract: A process for producing 2-phenylacetophenone derivatives represented by the formula (I): (wherein X is an alkyl group or a haloalkyl group, and Y is a hydrogen atom, a halogen atom or an alkyl group which may be substituted), which comprises reacting a compound represented by the formula (II): (wherein X and Y are as defined above, and R is a hydrogen atom or an alkyl group) with an acid.Type: GrantFiled: July 15, 2002Date of Patent: October 18, 2005Assignee: Ishihara Sangyo Kaisha. Ltd.Inventors: Takeshi Ohshima, Shigeyuki Nishimura, Takayoshi Ando
-
Patent number: 6875876Abstract: Anionic polymerization initiators useful in the preparation of polymers having a protected amine functional group. The amine functionality includes a first protecting group, which can be aralkyl, methyl, allyl or tertiary alkyl group. The other of the amine protecting groups can be the same as the first protecting group. Alternatively, the second protecting group can be different from the first protecting group, in which case it is selected to have differential stability to agents used to remove the aralkyl, methyl, allyl or tertiary alkyl protecting group.Type: GrantFiled: December 18, 2002Date of Patent: April 5, 2005Assignee: FMC CorporationInventors: Thorsten Werner Brockmann, Randy W. Hall
-
Patent number: 6825231Abstract: The application discloses substituted norbornylamino derivatives, processes for their preparation, their use as medicaments or diagnostics and a medicament comprising them Substituted norbornylamino derivatives having exo-configured nitrogen and an endo-fused five-membered ring of the formula I, or having exo-configured nitrogen and an exo-fused five-membered ring of the formula I a in which R1, R2, R3, R4, R5, A, B, S1, and S2 are as defined in the claims, are highly suitable for use as antihypertensive agents, for reducing or preventing ischemically induced damage, for use as medicaments for surgical interventions for the treatment of ischemias of the nervous system, of stroke and cerebral edema, of shock, of impaired respiratory drive, for the treatment of snoring, as laxatives, as agents against ectoparasites, for the prevention of the formation of biliary calculus, as antiatherosclerotics, as agents against late diabetic complications, carcinomatous disorders, fibrotic disorders, endotType: GrantFiled: December 12, 2000Date of Patent: November 30, 2004Assignee: Aventis Pharma Deutschland GmbHInventors: Uwe Heinelt, Hans-Jochen Lang, Heinz-Werner Kleemann, Jan-Robert Schwark, Klaus Wirth, Hans-Willi Jansen
-
Patent number: 6689922Abstract: The invention concerns novel bi-aromatic compounds having the formula: which are analogs of vitamin D, the process of preparing them, as well as their use in pharmaceutical compositions in human or veterinary medicine, particularly in dermatology, cancer treatment, treatment of auto-immune diseases, and in organ or tissue transplants. Cosmetic compositions and methods of use are also included.Type: GrantFiled: July 26, 2001Date of Patent: February 10, 2004Assignee: Galderma Research & Development S.N.C.Inventor: Jean-Michel Bernardon
-
Publication number: 20040024253Abstract: Optically active (R)-1-(4-trifluoromethylphenyl)ethylamine is a novel compound as an important intermediate for medicines and agricultural chemicals. This compound can be obtained with high optical purity and high yield by a process including the steps of (a) a dehydrocondensation of 4′-(trifluoromethyl)acetophenone and an optically active (R)-1-phenylethylamine to obtain an optically active imine; (b) asymmetrically reducing the imine into an optically active secondary amine; (c) reacting the amine with an organic acid (phthalic acid or benzenesulfonic acid), thereby obtaining a product that is a phthalate of or benzenesulfonate of the amine; (d) subjecting the product of the step (c) to a hydrogenolysis, thereby obtaining a product that is a phthalate of or benzenesuilfonate of optically active (R)-1-(4-trifluoromethylphenyl)ethylamine; and (e) neutralizing the product of the step (d) into the optically active (R)-1-(4-trifluoromethylphenyl)ethylamine.Type: ApplicationFiled: May 21, 2003Publication date: February 5, 2004Applicant: Central Glass Company, LimitedInventors: Akihiro Ishii, Manabu Yasumoto, Yokusu Kuriyama, Masatomi Kanai, Kanjin Inomiya
-
Patent number: 6610859Abstract: Anionic polymerization initiators useful in the preparation of polymers having a protected amine functional group. The amine functionality includes a first protecting group, which can be aralkyl, methyl, allyl or tertiary alkyl group. The other of the amine protecting groups can be the same as the first protecting group. Alternatively, the second protecting group can be different from the first protecting group, in which case it is selected to have differential stability to agents used to remove the aralkyl, methyl, allyl or tertiary alkyl protecting group.Type: GrantFiled: September 19, 2000Date of Patent: August 26, 2003Assignee: FMC CorporationInventors: Thorsten Werner Brockmann, Randy W. Hall
-
Patent number: 6583180Abstract: Compounds of formula (I) or pharmaceutically acceptable salts thereof are novel glucocorticoid receptor modulators and are useful for treating type II diabetes in a mammal.Type: GrantFiled: February 8, 2002Date of Patent: June 24, 2003Assignee: Abbott LaboratoriesInventors: James T. Link, Bryan K. Sorensen, Jyoti R. Patel, David L. Arendsen, Gaoquan Li
-
Patent number: 6562934Abstract: An amino compound obtained by addition reaction of diamine represented by the following formula (1) and an alkenyl compound and a process for producing the same. H2N—H2C—A—CH2—NH2 (1) wherein A is a phenylene group or a cyclohexylene group.Type: GrantFiled: September 10, 2001Date of Patent: May 13, 2003Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Shinichi Yonehama, Tetsushi Ichikawa
-
Patent number: 6515180Abstract: The invention relates to a method for symmetrically disubstituting carboxylic acid amides on the geminal carbonyl-C-atom using grignard reagents in the presence of a metal alcoholate compound used as a catalyst and in the presence of another organometalic compound used as a co-catalyst.Type: GrantFiled: March 7, 2001Date of Patent: February 4, 2003Assignee: Merck Patent GesellschaftInventors: Herwig Buchholz, Urs Welz-Biermann, Armin Meijere
-
Patent number: 6512145Abstract: The invention relates to a method for asymmetrically disubstituting carboxylic acid amides on the geminal carbonyl-C-atom using two grignard reagents in the presence of a metal alcoholate compound used as a catalyst and in the presence of another organometalic compound used as a co-catalyst.Type: GrantFiled: February 23, 2001Date of Patent: January 28, 2003Assignee: Merck Patent GesellschaftInventors: Herwig Buchholz, Urs Welz-Biermann
-
Publication number: 20030013917Abstract: In a method for producing xylylenediamine by hydrogenating phthalonitrile separated from a gas produced by causing xylene to react with ammonia and oxygen-containing gas in the presence of a catalyst, (1) the gas is brought into contact with an organic solvent to trap phthalonitrile; (2) a liquid in which phthalonitrile is trapped is distilled, to thereby recover phthalonitrile and the organic solvent from the top of the column and separate at the bottom of the column impurities having boiling points higher than that of phthalonitrile; (3) the organic solvent is recovered from the top of the column and liquefied phthalonitrile of high purity is recovered at the bottom of the column; and (4) the phthalonitrile is hydrogenatd after mixing with liquid ammonia and at least one solvent selected from aromatic hydrocarbon and saturated hydrocarbon. Thus, high-purity phthalonitrile is produced at high yield industrially efficiently.Type: ApplicationFiled: July 2, 2002Publication date: January 16, 2003Inventors: Kenichi Nakamura, Kazuhiko Amakawa, Takuji Shitara
-
Publication number: 20020165232Abstract: The invention relates to substituted polycyclic aryl and heteroaryl tertiary-heteroalkylamine compounds useful as inhibitors of cholesteryl ester transfer protein (CETP; plasma lipid transfer protein-I) and compounds, compositions and methods for treating atherosclerosis and other coronary artery diseases.Type: ApplicationFiled: November 14, 2001Publication date: November 7, 2002Inventors: James A. Sikorski, Richard C. Durley, Deborah A. Mischke, Emily J. Reinhard, Yvette M. Fobian, Michael B. Tollefson, Lijuan Wang, Margaret L. Grapperhaus, Brian S. Hickory, Mark A. Massa, Monica B. Norton, William F. Vernier, Barry L. Parnas, Michele A. Promo, Ashton T. Hamme, Dale P. Spangler, Melvin L. Rueppel
-
Publication number: 20020147193Abstract: Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): 1Type: ApplicationFiled: January 18, 2002Publication date: October 10, 2002Inventors: Mu-III Lim, Yuh-Guo Pan
-
Publication number: 20020120011Abstract: The invention relates to substituted polycyclic aryl and heteroaryl tertiary-heteroalkylamine compounds useful as inhibitors of cholesteryl ester transfer protein (CETP; plasma lipid transfer protein-I) and compounds, compositions and methods for treating atherosclerosis and other coronary artery diseases. Preferred tertiary-heteroalkylamine compounds are substituted N,N-disubstituted diamines.Type: ApplicationFiled: November 14, 2001Publication date: August 29, 2002Inventors: James A. Sikorski, Richard C. Durley, Deborah A. Mischke, Emily J. Reinhard, Yvette M. Fobian, Michael B. Tollefson, Lijuan Wang, Margaret L. Grapperhaus, Brian S. Hickory, Mark A. Massa, Monica B. Norton, William F. Vernier, Barry L. Parnas, Michele A. Promo, Ashton T. Hamme, Dale P. Spangler, Melvin L. Rueppel
-
Method of catalytically removing a protective group containing an allyl group using a reducing agent
Patent number: 6437133Abstract: A method of efficiently removing the protective group from a protected hydroxyl or amino group with an allyl derivative by one step reaction under neutral conditions. A protected hydroxyl or amino group is converted into a free hydroxyl or amino group in one-step by adding a reducing agent to an allyl derivative in the presence of nickel dichlorobis (diphenylphospino) propane.Type: GrantFiled: May 11, 2000Date of Patent: August 20, 2002Assignee: Chisso CorporationInventors: Kunio Ogasawara, Takahiko Taniguchi -
Patent number: 6417353Abstract: Amines are prepared by reacting aldehydes or ketones at elevated temperature under elevated pressure with nitrogen compounds selected from the group of ammonia, primary and secondary amines, and with hydrogen in the presence of a catalyst containing copper, wherein the catalytically active mass of the catalyst contains, before the reduction with hydrogen, 20 to 85% by weight of oxygen-containing compounds of zirconium, calculated as ZrO2, 1 to 30% by weight of oxygen-containing compounds of copper, calculated as CuO, 14 to 70% by weight of oxygen-containing compounds of nickel, calculated as NiO, 0 to 5% by weight of oxygen-containing compounds of molybdenum, calculated as MoO3, and 0 to 10% by weight of oxygen-containing compounds of aluminum, calculated as Al2O3.Type: GrantFiled: March 7, 2000Date of Patent: July 9, 2002Assignee: BASF AktiengesellschaftInventors: Frank Funke, Joachim Wulff-Döring, Gerhard Schulz, Wolfgang Siegel, Andreas Kramer, Johann-Peter Melder, Arthur Höhn, Philipp Buskens, Wolfgang Reif, Jan Nouwen
-
Publication number: 20020013499Abstract: An amino group of an &agr;-amino acid ester is protected as an imine, and it is then reacted with a halomethyllithium to obtain an N-protected-&agr;-aminohalomethylketone. Further, this N-protected-&agr;-aminohalomethylketone is treated with an acid to obtain an &agr;-aminohalomethylketone. This process is suited for industrial production, and can produce an &agr;-aminohalomethylketone and its related compounds economically and efficiently.Type: ApplicationFiled: July 25, 2001Publication date: January 31, 2002Applicant: AJINOMOTO CO., INC.Inventors: Tomoyuki Onishi, Takashi Nakano, Naoko Hirose, Masakazu Nakazawa, Kunisuke Izawa
-
Publication number: 20010047097Abstract: The invention relates to a process for the preparation of 2-arylethylamine derivates having an alkyl substituent in the 1-position, of the formula (I)Type: ApplicationFiled: May 17, 2001Publication date: November 29, 2001Inventors: Harald Trauthwein, Matthais Beller, Claudia Breindl, Christian Hartung, Annegret Tillack
-
Patent number: 6262148Abstract: The present invention relates to a compound according to formula (1) wherein n is 0, 2, 4 or 6 and a, b and c are, independently of one another, 1 or 0. R1-1a, R1-1b and R1-1c are hydrogen, a hydrocarbyl containing 1 to 10 carbon atoms which are alkyl, aryl, alkylene, arylalkyl or alkylaryl or a hydrocarbyl containing 1 to 10 carbon atoms and at least one heteroatom which can be oxygen, sulfur or nitrogen. R2-1a, R3-1a, R4-1a, R5-1a, R2-1b, R3-1b, R4-1b, R5-1b, R2-1c, R3-1c, R4-1c and R5-1c hydrogen or C1-C4alkyl. R6-1a, R7-1a, R6-1b, R7-1b, R6-1c and R7-1c are C1-C4akyl. A is an aromatic or alicyclic ring having 5 to 7 carbon atoms. The present invention further relates to a Mannich base reaction product obtained by combining an extract from cashew nutshell liquid with at least one aromatic or alicylic polyamine and at least one aldehyde compound, epoxy resin compositions and curable formulations containing the same, and methods for using such compositions.Type: GrantFiled: June 16, 1999Date of Patent: July 17, 2001Assignee: Vantico Inc.Inventors: Chi-Wen Frank Cheng, David Bender, Hsing Tie Wang
-
Patent number: 6057371Abstract: The invention relates to methods for the treatment of central nervous system disorders, gastrointestinal disorders, drug abuse, angina, migraine, hypertension and depression by administering a pharmaceutical composition comprising an effective amount of certain sigma receptor ligands to a patient in need of such treatment. The invention further relates to novel sigma receptor ligands having high binding to the sigma receptor and pharmaceutical compositions thereof. Unexpectedly, certain of the sigma receptor ligands of the present invention have selectivity for the sigma receptor over the DA, PCP and 5-HT.sub.1A receptors.Type: GrantFiled: June 10, 1992Date of Patent: May 2, 2000Assignee: Virginia Commonwealth UniversityInventor: Richard A. Glennon
-
Patent number: 6022996Abstract: A synthesis is described for intermediates which are readily amenable to the large scale preparation of hydroxyethylurea-based chiral HIV protease inhibitors. The method includes forming a diastereoselective epoxide from a chiral alpha amino aldehyde.Type: GrantFiled: September 13, 1996Date of Patent: February 8, 2000Assignee: G. D. Searle & Co.Inventors: John S. Ng, Claire A. Przybyla, Richard A Mueller, Michael L. Vazquez, Daniel P. Getman
-
Patent number: 5973205Abstract: A process for preparing a compound of formula (I) or an addition salt thereof and/or a solvate thereof: ##STR1## wherein R.sup.1, R.sup.2, R.sup.4 and R.sup.5 are each independently C.sub.1-4 alkoxy and R.sup.3 is C.sub.1-6 alkyl, which process comprises reacting an arylamine of formula (II): ##STR2## wherein R.sup.4 and R.sup.5 are as defined in relation to formula (I) with a .beta.-aminoaldehyde of formula (III): ##STR3## wherein R.sup.1, R.sup.2 and R.sup.3 are as defined in relation to formula (I); and thereafter reducing the intermediate so formed and, optionally, forming an addition salt of the compound of formula (I) and/or a solvate thereof.Type: GrantFiled: April 23, 1998Date of Patent: October 26, 1999Assignee: SmithKline Beecham plcInventors: Thomas Weir Ramsay, Robin Patrick Attrill
-
Patent number: 5969186Abstract: The present invention provides a process for effectively racemizing an amine compound in which an asymmetric carbon is located at the .beta.-position of the amino group or more distant therefrom, which comprises reacting the amine compound with a complex of an alkali metal and a polycyclic aromatic hydrocarbon.Type: GrantFiled: September 25, 1998Date of Patent: October 19, 1999Assignee: Nagase & Company, Ltd.Inventors: Toru Inoue, Yoshihiko Hirayama
-
Patent number: 5877218Abstract: Novel derivatives of 1-aminoindan and their salts are described. Optically active 1-aminoindan derivatives are prepared by reacting a N-benzyl analog of the desired compound with an enantiomer of mandelic acid.Type: GrantFiled: June 7, 1995Date of Patent: March 2, 1999Assignee: Teva Pharmaceutical Industries, Ltd.Inventors: Yaacov Herzig, Jeff Sterling, Alex Veinberg, Benjamin Sklarz, Ramy Lidor, Eliezer Bahar
-
Patent number: 5739405Abstract: A process for the preparation of amines of the general formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 denote hydrogen, C.sub.1 -C.sub.20 alkyl, C.sub.2 -C.sub.20 alkenyl, C.sub.2 -C.sub.20 alkynyl, C.sub.3 -C.sub.20 cycloalkyl, C.sub.4 -C.sub.20 alkylcycloalkyl, C.sub.4 -C.sub.20 cycloalkylalkyl, aryl, C.sub.7 -C.sub.20 alkylaryl, or C.sub.7 -C.sub.20 aralkyl,R.sup.1 and R.sup.2 together denote a saturated or unsaturated C.sub.3 -C.sub.9 alkylene dichain andR.sup.3 or R.sup.5 denotes C.sub.21 -C.sub.200 alkyl, C.sub.21 -C.sub.200 alkenyl or they together form a C.sub.2 -C.sub.12 alkylene dichain,by the reaction of olefins of the general formula II ##STR2## in which R.sup.3, R.sup.4, R.sup.5, and R.sup.6 have the above meanings, with ammonia or primary or secondary amines of the general formula III ##STR3## in which R.sup.1 and R.sup.2 have the above meanings, at temperatures ranging from 200.degree. to 350.degree. C.Type: GrantFiled: December 4, 1996Date of Patent: April 14, 1998Assignee: BASF AktiengesellschaftInventors: Karsten Eller, Rudolf Kummer, Peter Stops
-
Patent number: 5686609Abstract: The invention relates to compounds of the formula ##STR1## in which: m is 2 or 3;Ar and Ar' independently are a thienyl group; a substituted or unsubstituted phenyl group; or an imidazolyl group; it also being possible for Ar' to be a benzothienyl group which is unsubstituted or substituted by a halogen; a naphthyl group which is unsubstituted or substituted by a halogen; a biphenyl group; or a substituted or unsubstituted indolyl;X is hydrogen;X' is hydrogen or a hydroxyl group or is joined to X" below to form a carbon-carbon bond, or X and X' together form an oxo group or a dialkylaminoalkoxyimino group of the formula .dbd.N--O--(CH.sub.2).sub.p --Am, in which p is 2 or 3 and Am is a dialkylamino group;Y is a nitrogen atom or a group C(X"), in which X" is hydrogen or forms a carbon-carbon bond with X';Q is hydrogen, a C.sub.1 -C.sub.4 alkyl group or an aminoalkyl group of the formula --(CH.sub.2).sub.Type: GrantFiled: March 11, 1994Date of Patent: November 11, 1997Assignee: SanofiInventors: Xavier Emonds-Alt, Pierre Goulaouic, Vincenzo Proietto, Didier Van Broeck