The Nitrogen Is Bonded Directly To -c(=x)-, Wherein X Is Chalcogen Patents (Class 562/15)
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Patent number: 5298655Abstract: The present invention is directed to farnesyl pyrophosphate analogs which inhibit farnesyl-protein transferase (FTase) and the farnesylation of the oncogene protein Ras. The invention is further directed to chemotherapeutic compositions containing the compounds of this invention, and methods for inhibiting farnesyl-protein transferase and the farnesylation of the oncogene protein Ras.Type: GrantFiled: September 27, 1991Date of Patent: March 29, 1994Assignee: Merck & Co., Inc.Inventors: Neville J. Anthony, Ta-Jyh Lee, Robert L. Smith, Gerald E. Stokker
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Patent number: 5233080Abstract: N-acylaminomethylphosphonic acids having the formula RCO--NH--CH.sub.2 --P(.dbd.O)(OH).sub.2, where R is a non-interfering organic radical, are prepared by (A) combining a solution of a carboxamide, RCO--NH.sub.2, paraformaldehyde and phosphorous acid in an anhydrous solvent with a carboxylic acid anhydride, e.g., acetic anhydride, or (B) combining a solution of the carboxamide and paraformaldehyde in an anhydrous solvent with a solution of the carboxylic acid anhydrid and phosphorous acid in an anhydrous solvent, followed by heating the resulting solution to complete the reaction. The N-acylaminomethylphosphonic acids can be hydrolyzed to aminomethylphosphonic acid.Type: GrantFiled: September 25, 1992Date of Patent: August 3, 1993Assignee: E. I. Du Pont de Nemours and CompanyInventor: George E. Heinsohn
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Patent number: 5208224Abstract: Novel phosphorus containing compounds are described, as well as methods for the preparation and pharmaceutical composition of same, which are useful in preventing the intestinal absorption of cholesterol and thus are useful in the treatment of hypercholesterolemia and atherosclerosis.Type: GrantFiled: March 13, 1991Date of Patent: May 4, 1993Assignee: Warner-Lambert CompanyInventors: Gary L. Bolton, Janak K. Padia, Bharat K. Trivedi
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Patent number: 5175153Abstract: The present invention is novel substituted .alpha.-amino acids, pharmaceutical compositions, method of use, and preparations therefore having utility for treating disorders which benefit from blockade of aspartate and glutamate receptors.Type: GrantFiled: October 14, 1988Date of Patent: December 29, 1992Assignee: Warner-Lambert CompanyInventors: Christopher F. Bigge, James T. Drummond, Vlad E. Gregor, Graham Johnson, Michael R. Pavia
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Patent number: 5162311Abstract: The invention discloses certain substituted .alpha.-aminoacids having the formula ##STR1## where m and n are 1 or 2, and R, R.sub.1, R.sub.2, R.sub.3 and Y have various significances, which compounds are useful in treating epilepsy, disorders associated with excess GH or LH secretion, anxiety, schizophrenia, depression, CNS degenerative disorders, cerebral hypoxic conditions and stress-related psychiatric disorders.Type: GrantFiled: August 19, 1991Date of Patent: November 10, 1992Assignee: Sandoz Pharmaceuticals Corp.Inventors: Paul L. Herrling, Werner Muller
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Patent number: 5155257Abstract: Acylaminomethanephosphonic acids are useful intermediates for the preparation of the herbicide N-phosphonemethylglycine and its salts.According to the invention, acylaminomethanephosphonic acids of the formula (I)R.sup.1 --CO--NHCH.sub.2 P(.dbd.O) (OH).sub.2 (I)in which R.sup.1 is H, C.sub.1 -C.sub.6 -alkyl, benzyl or optionally substituted phenyl, can be prepared in a process which can be employed industrially, which comprises the reaction of the compound of the formula R.sup.1 --CO-NH--CH.sub.2 OH with P.sub.2 O.sub.3 and then hydrolysis with water.Type: GrantFiled: October 8, 1991Date of Patent: October 13, 1992Assignee: Hoechst AktiengesellschaftInventor: Hans-Jerg Kleiner
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Patent number: 5155100Abstract: The invention relates to the N-phosphonomethyl-biaryl substituted dipeptide derivatives of formula I ##STR1## wherein A represents a direct bond, lower alkylene, phenylene or cyclohexylene; m represents 1 or zero, provided that m represents 1 when A is a direct bond; R.sub.2 represents hydrogen, hydroxy, lower alkyl, aryl-lower alkyl, C.sub.5 -C.sub.Type: GrantFiled: May 1, 1991Date of Patent: October 13, 1992Assignee: Ciba-Geigy CorporationInventors: Mark D. Erion, Stephane De Lombaert
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Patent number: 5147868Abstract: Novel chemical compounds are provided which selectively inhibit the metabolism of dipeptidase (E.C.3.4.13.11) and therefore are useful in combination with antibacterial products. These chemical compounds are z-2-acylamino-3-monosubstituted propenoates.Type: GrantFiled: February 19, 1992Date of Patent: September 15, 1992Assignee: Merck & Co., Inc.Inventors: Donald W. Graham, Edward F. Rogers, Frederick M. Kahan
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Patent number: 5147867Abstract: Dipeptide mimics which contain phosphorus and their pharmaceutical use and preparation are disclosed. The compounds have dehydropeptidase (DHP) enzyme inhibitor activity.Type: GrantFiled: January 21, 1992Date of Patent: September 15, 1992Assignee: Merck & Co., Inc.Inventors: William H. Parsons, William R. Schoen, Arthur A. Patchett
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Patent number: 5145937Abstract: New polyimides have been prepared from the reaction of aromatic dianhydrides with novel aromatic diamines containing carbonyl and ether connecting groups between the aromatic rings. Several of these polyimides were shown to be semi-crystalline as evidenced by wide angle x-ray diffraction and differential scanning calorimetry. Most of the polyimides form tough solvent resistant films with high tensile properties. Several of these materials can be thermally processed to form solvent and base resistant moldings.Type: GrantFiled: November 9, 1989Date of Patent: September 8, 1992Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space AdministrationInventors: Paul M. Hergenrother, Stephen J. Havens
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Patent number: 5043474Abstract: The invention relates to rhodium complexes of the formula[A--O--(CH.sub.2 CH.sub.2 O).sub.n --A].sup.2+ 2X.sup.- (Ia)and[A--O--(CH.sub.2 CH.sub.2 O).sub.m --CH.sub.3 ].sup.+ X.sup.-(Ib)in whichn=5-1,000,m=5-250,X.sup.- denotes a tetrafluoroborate, hexafluorophosphate or per-chlorate anion,A denotes a radical of the formula ##STR1## (en).sub.2 denotes two molecules of a monoolefin or one molecule of a diolefinAr denotes phenyl or phenyl which is substituted by one or two alkyl groups having 1 or 2 carbon atoms andR.sup.1 denotes an arylene or alkylene bridge,and their use for the preparation of L-phosphinothricin and its derivatives by enantioselective catalytic hydrogenation of 2,3-dehydrophosphinothricin (derivatives).Type: GrantFiled: January 17, 1990Date of Patent: August 27, 1991Assignee: Hoechst AktiengesellschaftInventors: Wolf-Dieter Muller, Hans-Jerg Kleiner
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Patent number: 5041626Abstract: The invention relates to compounds of formula: ##STR1## in which R.sup.4 is a group which can be hydrogenolyzed, R and R.sup.1 are alkyl groups, X.sup.- is an HSO.sub.4.sup.-, Cl.sup.- or R.sup.7 SO.sub.3.sup.- anion and to a process for the preparation of the compounds of formula (I) by the hydrolysis of the compounds of formula (II): ##STR2## in which R.sup.2 and R.sup.3 are alkyl groups linked to the oxygen via a secondary carbon, using sulphuric or hydrochloric acid. The invention also relates to the use of compounds of formula (I) for the preparation of herbicide by the hydrogenolysis of the compounds of formula (I).Type: GrantFiled: June 7, 1989Date of Patent: August 20, 1991Assignee: Rhone-Poulenc AgrochimieInventors: Bernard Bottanet, Michel Mulhauser
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Patent number: 5041627Abstract: N-Acyl-aminomethylphosphonic acids represented by the formula ##STR1## wherein R is selected from the group consisting of methyl and aryl are prepared by:(a) bringing together under substantially anhydrous reaction conditions an amide represented by the formula ##STR2## wherein R is as defined above and paraformaldehyde; and thereafter, (b) adding phosphorous trihalide to the reaction mixture.Type: GrantFiled: January 19, 1990Date of Patent: August 20, 1991Assignee: Monsanto CompanyInventors: Sherrol L. Baysdon, Donald L. Fields, Jr.
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Patent number: 5030732Abstract: Disclosed are some new aminoethylphosphinic acid derivatives useful as antibacterial agents.Type: GrantFiled: March 3, 1988Date of Patent: July 9, 1991Assignee: Merck & Co., Inc.Inventors: Yoshiharu Morita, Yasuo Hoshide, Ryoichi Ando, Masao Taniguchi
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Patent number: 5003097Abstract: A method is disclosed for the sulfurization of a phosphorus containing compound, which comprises: solubilizing the phosphorous containing compound and then contacting the phosphorous containing compound, with a sulfur containing compound of the solution formula: ##STR1## wherein, B is selected from the group consisting of --CH.sub.2 --, --C(O)-- or --C(S)--;Q is a non-interfering moiety or radical; andm and n, same or different, are selected from the group consisting of zero or one.Type: GrantFiled: October 2, 1989Date of Patent: March 26, 1991Assignee: The United States of America as represented by the Department of Health and Human ServicesInventors: Serge L. Beaucage, Judith B. Regan, Radhakrishnan P. Iyer
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Patent number: 4999345Abstract: Sulfonamide derivatives of the formula I ##STR1## where R.sup.1 is a C.sub.1 -C.sub.4 -alkyl or phenyl group which may be substituted by halogen, trifluoromethyl or C.sub.1 -C.sub.4 -alkyl, R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl, A is a group CHOR.sup.3 C.dbd.O, C.dbd.S or C.dbd.N--OR.sup.4, R.sup.3 is hydrogen, C.sub.1 -C.sub.4 -alkyl phenyl, benzyl or C.sub.1 -C.sub.4 -acyl, R.sup.4 is hydrogen or methyl, B may be methylene or ethylene in the m or p position or, of A is not carbonyl, may be methyleneoxy, the oxygen atom being bonded to the aromatic, and E is a carboxyl, phosphonic acid or sulfo radical, their physiologically acceptable salts, esters with C.sub.1 -C.sub.4 -alcohols or amides or the tetrazol-5-yl radical, their preparation and their use as drugs.Type: GrantFiled: May 26, 1989Date of Patent: March 12, 1991Assignee: BASF AktiengesellschaftInventors: Bernhard Schmied, Hand D. Lehmann, Verena Baldinger, Klaus Ruebsamen
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Patent number: 4985591Abstract: Preparation of a semi-crystalline catalyst for curing coating compositions wherein an isocyanate-sulfonate or -phosphonate is made by a Michael addition followed by chain extension with an isocyanate.Type: GrantFiled: August 15, 1988Date of Patent: January 15, 1991Assignee: E. I. du Pont de Nemours and CompanyInventors: Jozef T. Huybrechts, Werner Zimmt
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Patent number: 4962097Abstract: Dipeptide mimics which contain phosphorus and their pharmaceutical use and preparation are disclosed. The compounds have dehydropeptidase (DHP) enzyme inhibitor activity.Type: GrantFiled: August 17, 1989Date of Patent: October 9, 1990Assignee: Merck & Co., Inc.Inventors: William H. Parsons, William R. Schoen, ARthur A. Patchett
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Patent number: 4960920Abstract: .alpha.-Aminoalkylphosphonic and .alpha.-aminoalkylphosphinic acids of the formula I ##STR1## where n=1 or 0,R.sub.1 =H, CH.sub.3 or CH.sub.2 --C.sub.6 H.sub.5R.sub.2 =H (for n=1) and also=alkyl or phenyl (for n=0)are prepared by Hofmann deradation from compounds of the formula II ##STR2## wherein n and R.sub.1 have the same meaning as in formula I,R.sub.3 =alkyl (for n=1), alkyl or phenyl (for n=0), andM.sup.p+ =p-valent cation,with subsequent working up in the known manner.Some of the compounds I are biologically active, and some are intermediates for the preparation of biologically active compounds.Type: GrantFiled: May 2, 1989Date of Patent: October 2, 1990Assignee: Hoechst AktiengesellschaftInventor: Gunter Bartels
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Patent number: 4935404Abstract: Novel compounds of the formula (I), a process for their preparation and their use as collagenase inhibitors are described: ##STR1## in which R.sub.1 is hydrogen or hydroxy; R.sub.2 is hydrogen or alkyl; R.sub.3 is C.sub.3-6 alkyl; R.sub.4 is hydrogen, alkyl, --CH.sub.2 --Z where Z is optionally substituted phenyl or heteroaryl, or R.sub.4 is a group ##STR2## where R.sub.8 is hydrogen, alkyl or --CH.sub.2 --Ph where Ph is optionally substituted phenyl, and R.sub.9 is hydrogen or alkyl; and R.sub.5 is hydrogen or alkyl.Type: GrantFiled: November 14, 1988Date of Patent: June 19, 1990Assignee: Beecham Group p.l.c. of Beecham HouseInventors: David J. Hunter, Roger E. Markwell, Robert W. Ward
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Process for the racemization of optically active D-2-N-phenacetylamino-4-methylphosphinobutyric acid
Patent number: 4922013Abstract: The invention relates to a process for the racemization of D-2-N-phenacetylamino-4-methylphosphinobutyric acid ##STR1## which comprises carrying out the racemization in glacial acetic acid and in the presence of acetic anhydride. The invention makes it possible to convert economically a fairly inactive herbicide into the racemic mixture which contains the highly active L form. The latter can be separated off from the racemized mixture by known methods.Type: GrantFiled: May 18, 1989Date of Patent: May 1, 1990Assignee: Hoechst AktiengesellschaftInventors: Rainer Schutze, Harald Knorr -
Patent number: 4906764Abstract: A process for producing a phosphinylamino acid derivative of the formula: ##STR1## wherein R.sup.1 is a lower alkyl group, R.sup.2 is a hydrogen atom, a lower alkyl group, a halo-lower alkyl group or a substituted or unsubstituted phenyl group, and R.sup.3 is a substituted or unsubstituted alkyl group or a substituted or unsubstituted phenyl group, which comprises reacting a compound of the formula: ##STR2## wherein R.sup.1 and R.sup.2 are as defined above, and/or a compound of the formula: ##STR3## wherein R.sup.1 and R.sup.2 are as defined above, with a compound of the formula:R.sup.3 CONH.sub.2 (IV)wherein R.sup.3 is as defined above, carbon monoxide and hydrogen in the presence of a catalyst containing a metal of group VIII of the Periodic Table.Type: GrantFiled: May 13, 1988Date of Patent: March 6, 1990Assignee: Nissan Chemical Industries Ltd.Inventors: Hideki Takamatsu, Hiroyuki Mutoh, Fumio Suzuki, Shinichiro Takigawa
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Patent number: 4885283Abstract: The invention relates compounds of the formula ##STR1## wherein R.sup.1 -R.sup.5 and X have the significance given in the description, and their pharmaceutically acceptable salts. The compounds of formula I inhibit the enzyme collagenase and can be used in the form of medicaments for the control or prevention of degenerative joint diseases such as rheumatoid arthritis and osteoarthritis.Type: GrantFiled: December 1, 1987Date of Patent: December 5, 1989Assignee: Hoffmann-La Roche Inc.Inventors: Michael J. Broadhurst, Balraj K. Handa, William H. Johnson, Geoffrey Lawton, Peter J. Machin
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Patent number: 4874846Abstract: Process for the preparation of aryloxy-benzoic acids containing a sulphonamide group by the direct reaction of a phenoxy-benzoic acid with a sulphonamide, in the presence of a halogenating agent such as P(O)Cl.sub.3.Type: GrantFiled: May 26, 1987Date of Patent: October 17, 1989Assignee: Rhone-Poulenc Agrochimie S.A.Inventor: Alain Chene
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Patent number: 4868269Abstract: Preparation of compounds with herbicidal properties, of formula ##STR1## wherein R.sup.1 represents a hydrocarbon radical;R represents a hydrogen atm or a hydrocarbon radical; andR.sup.22 represents a hydrogen atom, an aryl radical, or a substituted aryl radical,said process being characterized in that hydrogenation of compounds of formula ##STR2## wherein R, R.sup.1 and R.sup.22 have the same meaning as in formula (IIa), R.sup.32 represents an aryl radical, or substituted aryl radical, and R.sup.4 represents a hydrogen atom or an R.sup.8 group which can be hydrogenolyzed, is carried out.Type: GrantFiled: December 4, 1986Date of Patent: September 19, 1989Assignee: Rhone-Poulenc AgrochimieInventor: Herve' Bres
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Patent number: 4859602Abstract: The present invention provides a process for the preparation of the stereoisomers of 1-aminoalkylphosphonic acids and of 1-aminoalkylphosphinic acids by enzymatic resolution of their racemic N-acyl derivatives and subsequent deacylation, wherein the enzymatic resolution is carried out with penicillin G amidase.Type: GrantFiled: September 9, 1985Date of Patent: August 22, 1989Assignee: Boehringer Mannheim GmbHInventors: Gerd Zimmermann, Josef Maier, Manfred Gloger