Pteroyl Per Se Or Having -c(=x)-, Wherein X Is Chalcogen, Bonded Directly To Acyclic Nitrogen Of Otherwise Unsubstituted Pteroyl Patents (Class 544/261)
  • Publication number: 20020019343
    Abstract: Conjugates of transferrin, albumin and polyethylence glycol consisting of native or thiolated transferrin or albumin or of polyethylene glycol (MW between approximately 5,000 and 20,0000) with at least one HS—, HO— or H2N group and cytostatic compounds derived through maleinimide or N-hydroxysuccinimide ester compounds, such as doxorubicin, daunorubicin, epirubicin, idarubicin, mitoxandrone, chloroambucil, melphalan, 5-fluorouracyl, 5′-desoxy-5-fluorouridine, thioguanine, methotrexate, paclitaxel, docetaxel, topotecan, 9-aminocamptothecin, etoposide, teniposide, mitopodoside, vinblastine, vincristine, vindesine, vinorelbine or a compound of general formula A, B, C or D, where n=0-6, X=—NH2, —OH, —COOH, —O—CO—R—COR*, —NH—CO—R—COR*, where R is an aliphatic carbon chain with 1-6 carbon atoms or a substituted or unsubstituted phenylene group and R* H, phenyl, alkyl with 1-6 carbon atoms.
    Type: Application
    Filed: August 20, 2001
    Publication date: February 14, 2002
    Inventor: Felix Kratz
  • Patent number: 6297245
    Abstract: A novel pharmaceutical composition, comprising cisplatin and folic acid is disclosed. The preparation of this pharmaceutical composition is also disclosed. The composition may be used to treat cancers and Acquired Immune Deficiency Syndrome (AIDS).
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: October 2, 2001
    Assignee: Unitech Pharmaceuticals
    Inventor: Jiajiu Shaw
  • Patent number: 6291673
    Abstract: Novel folic acid derivatives and their use in preparation of &ggr;-esters of folic acid via a pteroyl azide intermediate are described. Folic acid &ggr;-esters are useful intermediates in the synthesis of folic acid conjugates capable of binding folate receptors in vitro and in vivo.
    Type: Grant
    Filed: April 17, 2000
    Date of Patent: September 18, 2001
    Assignee: Purdue Research Foundation
    Inventors: Philip L. Fuchs, Jin Luo, Douglas A. Lantrip
  • Publication number: 20010016654
    Abstract: The present invention relates to an organic controller capable of controlling redox reaction at a low cost in a simple manner, the organic controller comprising a combination of two or more substances selected from vitamins and vitamin-like substances, a combination of one or more substances selected from vitamins and vitamin-like substances and one or more substances selected from polyphenols, a combination of one or more substances selected from vitamins and vitamin-like substances and one or more substances selected from enzymes, or a combination of one or more substances selected from vitamins and vitamin-like substances, one or more substances selected from polyphenols and one or more substances selected from enzymes, as the effective component.
    Type: Application
    Filed: January 23, 2001
    Publication date: August 23, 2001
    Inventors: Kazuhiro Nagai, Masachika Hirose
  • Patent number: 6203818
    Abstract: A nutritional supplement for improving cardiovascular health via aiding in preventing, delaying the onset of and/or slowing the progression of atherosclerosis and coronary heart disease, the supplement comprising one or more flavonoids and folic acid or folate; and a method for aiding in preventing, delaying the onset of and/or slowing the progression of atherosclerosis and coronary heart disease are described.
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: March 20, 2001
    Assignee: Coventry Group, Ltd.
    Inventor: Samuel Russell Vester
  • Patent number: 6143743
    Abstract: Corticotropin releasing factor (CRF) antagonists of formula (I): ##STR1## and their use in treating psychiatric disorders and neurological diseases, anxiety-related disorders, post-traumatic stress disorder, supranuclear palsy and feeding disorders as well as treatment of immunological, cardiovascular or heart-related diseases and colonic hypersensitivity associated with psychopathological disturbance and stress in mammals.
    Type: Grant
    Filed: July 2, 1998
    Date of Patent: November 7, 2000
    Assignee: Dupont Pharmaceuticals Company
    Inventors: Richard Gerald Wilde, Rajagopal Bakthavatchalam, James Peter Beck, Argyrios Georgious Arvanitis
  • Patent number: 5997915
    Abstract: A composition for human or animal consumption for supplying folate which includes a natural isomer of reduced folate, such as (6S)-tetrahydrofolic acid, 5-methyl-(6S)-tetrahydrofolic acid, 5-formyl-(6S)-tetrahydrofolic acid, 10-formyl-(6R)-tetrahydrofolic acid, 5,10-methylene-(6R)-tetrahydrofolic acid, 5,10-methenyl-(6R)-tetrahydrofolic acid, 5-formimino-(6S)-tetrahydrofolic acid, and their polyglutamyl derivatives is disclosed. Such compositions include multivitamin preparations (with or without minerals and other nutrients); breakfast foods such as prepared cereals, toaster pastries and breakfast bars; infant formulas; dietary supplements and complete diet and weight-loss formulas and bars; animal feed (for example pet foods) and animal feed supplements (such as for poultry feed). The amount of the natural isomer of a reduced folate in a composition for human consumption can range between about 5% and about 200% of the daily requirement for folic acid per serving or dose.
    Type: Grant
    Filed: July 31, 1998
    Date of Patent: December 7, 1999
    Assignee: South Alabama Medical Science Foundation
    Inventors: Steven W. Bailey, June E. Ayling
  • Patent number: 5902810
    Abstract: The present invention relates to the use of pteridine derivatives of the formula I ##STR1## in which X is O, NH or N--(C.sub.1-C.sub.5)-alkanoyl, R.sup.3 is the radical --OR.sup.4, --NR.sup.5 R.sup.6 or --S(O).sub.m R.sup.7, and R, R.sup.1, R.sup.2, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and m have the meanings given in claim 1, which are nitric oxide synthase inhibitors, for the treatment of diseases which are caused by an increased nitric oxide level.
    Type: Grant
    Filed: February 18, 1997
    Date of Patent: May 11, 1999
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolfgang Pfleiderer, Harald Schmidt, Rainer Henning
  • Patent number: 5889006
    Abstract: Di-N-substituted piperazine or 1,4 di-substituted piperadine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) ##STR1## wherein R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.21, R.sup.27, R.sup.28, X, Y, and Z are as defined herein are muscarinic antagonists useful for treating cognitive disorders such as Alzheimer's disease. Pharmaceutical compositions and methods of preparation are also disclosed. Also disclosed are synergistic combinations of compounds of the above formula with acetylcholinesterase inhibitors.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: March 30, 1999
    Assignee: Schering Corporation
    Inventors: Derek B. Lowe, Wei K. Chang, Joseph A. Kozlowski, Joel G. Berger, Robert McQuade, Allen Barnett, Margaret Sherlock, Wing Tom, Sundeep Dugar, Lian-Yong Chen, John W. Clader, Samuel Chackalamannil, Yuguang Wang, Stuart W. McCombie, Jayaram R. Tagat, Susan F. Vice, Wayne Vaccaro, Michael J. Green, Margaret E. Browne, Theodros Asberom, Craig D. Boyle
  • Patent number: 5874433
    Abstract: Inhibitor of the use of tetrahydrobiopterin as a cofactor for nitric oxide synthase, e.g., substituted 4-phenyl(hydropyridines) such as 1-methyl-4-(3',4'-dihydroxyphenyl)-1,2,3,6-tetrahydropyridine or, 4-(3',4'-dihydroxyphenyl)-1,2,3,6-tetrahydropyridine) or tetrahydropterin analog which does not replace tetrahydrobiopterin as a substrate for nitric oxide synthase such as (6R,S)-6,7-dimethyl-tetrahydropterin or (6R,S)-tetrahydrofolic acid or 2,4-diamino-, 2,6-diamino, or 4,6-diamino mono- or disubstituted pyrimidines or the corresponding pyrimidine-3-oxides such as 2,4-diamino-6-(diethylamino)pyrimidine, 2,4-diamino-6-piperidino-pyrimidine-3-oxide, 2,4-diamino-6-hydroxypyrimidine, 4,6-diamino-2-hydroxypyrimidine or 2,5-diamino-4,6-dihydroxypyrimidine is administered to inhibit nitric oxide synthesis from arginine in vascular cells in a subject in need of such inhibition (e.g., for prophylaxis or treatment of cytokine- or endotoxin-induced hypotension (e.g., septic shock).
    Type: Grant
    Filed: December 19, 1995
    Date of Patent: February 23, 1999
    Assignee: Cornell Research Foundation, Inc.
    Inventor: Steven S. Gross
  • Patent number: 5807854
    Abstract: Compounds of general formula I and their salts and solvates are antifungal agents and as such are useful in the treatment of various fungal infections. Pharmaceutical compositions including these compounds and processes for their preparation are also provided.
    Type: Grant
    Filed: March 31, 1997
    Date of Patent: September 15, 1998
    Assignee: J. Uriah & Cia. S.A.
    Inventors: Javier Bartroli, Enric Turmo, Manuel Anguita
  • Patent number: 5693641
    Abstract: This invention is directed to bicyclic pyrimidine derivatives which are useful as anti-coagulants. This invention is also directed to pharmaceutical compositions containing the compounds of the invention, and methods of using the compounds to treat disease-states characterized by thrombotic activity.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: December 2, 1997
    Assignee: Berlex Laboratories Inc.
    Inventors: Brad O. Buckman, Raju Mohan, Michael M. Morrissey
  • Patent number: 5538734
    Abstract: The present invention refers to the use of 5-methyltetrahydrofolic acid, of 5-formyltetrahydrofolic acid and of their pharmaceutically acceptable salts for the preparation of controlled release pharmaceutical compositions suitable for the use in the therapy of depressive disturbances, in particular major depression, dysthymia or depressive neurosis and not otherwise specified depressive disturbances, independently from folate plasmatic levels, and to the pharmaceutical composition thus prepared.
    Type: Grant
    Filed: February 9, 1995
    Date of Patent: July 23, 1996
    Assignee: Bioresearch S.p.A.
    Inventor: Christina Le Grazie
  • Patent number: 5470960
    Abstract: A phenylalanine-glycine derivative of the general formula (I): ##STR1## wherein R represents a residue of an antitumor substance, or a salt or ester thereof, a process for preparation thereof, and a pharmaceutical composition containing the same are described.The novel conjugate of the phenylalanine-glycine derivative and the antitumor substance exhibits superior antitumor activity in comparison with the case wherein an antitumor substance is administered singly or as a mixture with phenylalanine.
    Type: Grant
    Filed: January 11, 1995
    Date of Patent: November 28, 1995
    Assignee: Kureha Chemical Industry Co., Ltd.
    Inventors: Koichi Niimura, Takako Kawabe, Takao Ando, Kenichi Saito
  • Patent number: 5410056
    Abstract: The present invention is directed to a novel process for the production of folic acid in high yield utilizing a novel diimine as an intermediate. This diimine is formed by reacting 2-substituted malondialdehyde with p-aminobenzoyl-L-glutamic acid. This diimine may be converted into folic acid by reacting said diimine with triaminopyrimidinone in the presence of sulphite.
    Type: Grant
    Filed: January 6, 1994
    Date of Patent: April 25, 1995
    Assignee: Hoffman-La Roche Inc.
    Inventor: Christof Wehrli
  • Patent number: 5340832
    Abstract: A novel prolinal derivative of the general formula: ##STR1## [wherein A represents alkylene or alkenylene group of from 1 to 8 carbon atom(s) or a saturated hydrocarbon ring of from 3 to 7 carbon atoms, R represents hydrogen atom, phenyl group, benzyl group, alkyl group of from 1 to 8 carbon atom(s) or cycloalkyl group of from 3 to 7 carbon atoms,B represents alkylene group of from 1 to 8 atom(s) unsubstituted or substituted by phenyl group or benzyl group, or a single bond,D represents carbocyclic or heterocyclic ring unsubstituted or substituted by from one to three of halogen atom, alkyl or alkoxy group of from 1 to 4 carbon atom(s), nitro group or trifluoromethyl group.]possess inhibitory activity on prolyl endopeptidase, and therefore are useful for treating and/or preventing agent as a amnesia.
    Type: Grant
    Filed: August 17, 1993
    Date of Patent: August 23, 1994
    Assignee: Ono Pharmaceutical Co., Ltd.
    Inventors: Masaaki Toda, Shuichi Ohuchida, Hiroyuki Ohno
  • Patent number: 5241070
    Abstract: This invention is directed to novel nucleophilic polysubstituted aryl acridinium esters and to novel conjugates thereof. The novel nucleophilic polysubstituted aryl acridinium esters and novel conjugates thereof are useful in biological assays, including novel assays for the determination of Vitamin B.sub.12, folate, cortisol, estradiol, and thromboxane B.sub.2.
    Type: Grant
    Filed: April 17, 1992
    Date of Patent: August 31, 1993
    Assignee: Ciba Corning Diagnostics Corp.
    Inventor: Say-Jong Law
  • Patent number: 5198547
    Abstract: Intermediates and a process for the synthesis of 6-monosubstituted tetrahydropteridine C6-stereoisomers, including (6S)-tetrahydrofolic acid. The intermediates are shown in their two enantiomeric forms as follows: ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and represent hydrogen, methyl, hydroxy, amino, alkyl or dialkylamino, alkoxy, benzyloxy, or benzylthio; R.sub.3 represents an alkene, alkyne, cycloalkyl, benzyl, alkyl (substituted with hydroxy, acetoxy, benzyloxy, alkoxy, alkylthio, amino, carboxy, oxo, or phosphate), a protected aldehyde, or ##STR2## wherein n=1 or 2, R.sub.4 is hydrogen, formyl, methyl, or propargyl, and ZZ represents an amino acid or amino acid polymer. Also, a process for tetrahydropteridine N5-formylation for the preparation of, for example, N5-formyl-(6S)-tetrahydrofolic acid.
    Type: Grant
    Filed: March 16, 1992
    Date of Patent: March 30, 1993
    Assignee: South Alabama Medical Science Foundation, USA
    Inventors: Steven W. Bailey, June E. Ayling
  • Patent number: 5196533
    Abstract: 6,6-Disubstituted pteridines which are useful for the regulation of enzymes are disclosed, along with a general method of synthesizing these compounds.
    Type: Grant
    Filed: March 14, 1991
    Date of Patent: March 23, 1993
    Assignee: South Alabama Medical Science Foundation, USA
    Inventors: June E. Ayling, Steven W. Bailey
  • Patent number: 4985171
    Abstract: An anthraquinone type compound which is represented by the following general formula (I) and which exhibits yellow to orange-colored hue; and a composition for liquid crystal display element obtained by dissolving the compound into liquid crystal: ##STR1## (where: X.sup.1 and X.sup.2 denote sulfur or selenium; and R.sup.1 and R.sup.2 represent a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted pyridyl group, a substituted or unsubstituted pyrmidyl group or a tetrahydronaphthyl group, with the following exceptions:(1) X.sup.1 =X.sup.2 =S; R.sup.1 =R.sup.2 =a substituted or unsubstituted phenyl group =(2) X.sup.1 =X.sup.2 =S; R.sup.1 =a substituted or unsubstituted naphthyl group; R.sup.2 =a phenyl group or a naphthyl group(3) X.sup.1 =X.sup.2 =Se; R.sup.1 =R.sup.2 =a tetrahydronaphthyl group).
    Type: Grant
    Filed: January 2, 1990
    Date of Patent: January 15, 1991
    Assignee: Mitsubishi Chemical Industries Limited
    Inventors: Konoe Miura, Tetsuo Ozawa, Junko Kanaya
  • Patent number: 4931442
    Abstract: This invention relates to a stabilized aqueous folic acid preparation which comprises a folic acid component selected from the group consisting of folic acid, ammonium, alkali metal and alkaline earth metal salts of folic acid and mixtures thereof, and which has an improved stability of its folic acid contents in the presence of oxygen, the said preparation containing as a stabilizer a combination of(a) at least one member selected from the group consisting of dihydrofolic acid and ammonium, alkali metal, alkaline earth metal and alkanolammonium salts thereof, and(b) at least one member selected from the group consisting of at least one hydroxypolycarboxylic acid and ammonium, alkali metal, alkaline earth metal and alkanolammonium salts thereof.
    Type: Grant
    Filed: December 6, 1988
    Date of Patent: June 5, 1990
    Inventor: Holger Blum
  • Patent number: 4820706
    Abstract: 2,4-Diaminopteridine derivatives and the pharmaceutically acceptable salts thereof having potent anticancer activity are disclosed. The derivatives possess the structural formula: ##STR1## wherein Y is NH.sub.2, OH or SH, R is ##STR2## and X is ##STR3## in which R' is H or CH.sub.3 or ##STR4## in which R and R' are as previously defined, provided when Y is NH.sub.2, R' must be CH.sub.3 and when Y is OH, R' must be OH.
    Type: Grant
    Filed: January 27, 1986
    Date of Patent: April 11, 1989
    Assignee: Research Corporation
    Inventors: M. Abu Khaled, Frederick Benington, Richard D. Morin
  • Patent number: 4772606
    Abstract: Novel purine derivatives, particularly novel guanines and hypoxanthines, are described as agents for treating autoimmune diseases. Also novel methods of manufacture for the derivatives, pharmaceutical compositions thereof, and methods of use therefor are the invention.
    Type: Grant
    Filed: August 22, 1985
    Date of Patent: September 20, 1988
    Assignee: Warner-Lambert Company
    Inventors: Jagadish C. Sircar, Garry W. Pinter
  • Patent number: 4350659
    Abstract: A sensitive intermediate metabolite such as a folic acid derivative or analog is stabilized by complexing it with a complementary binder or receptor such as a protein and then lyophilizing the complex. An example of such a folic acid derivative is N-5-methyltetrahydrofolic acid.
    Type: Grant
    Filed: July 30, 1981
    Date of Patent: September 21, 1982
    Assignee: Corning Glass Works
    Inventor: Louis J. Riceberg
  • Patent number: 4336185
    Abstract: Novel protein conjugates and radioiodinated derivatives of folic acid and salts, esters and amides useful in the radioimmunoassay (RIA) of body fluids to determine folic acid are disclosed.
    Type: Grant
    Filed: August 23, 1979
    Date of Patent: June 22, 1982
    Assignee: Rohm and Haas Company
    Inventor: Gordon D. Niswender
  • Patent number: 4202976
    Abstract: Novel selenium-75 derivatives of folates, which are useful in competitive radio assay of folates, have the general formula: ##STR1## where a dotted bond line indicates that the bond may be single or double, and whereX is H or --CH.sub.3,m is 0 or 1 (such that the adjacent nitrogen atom is trivalent), and either(a) R is ##STR2## and is attached through the nitrogen atom to the pteroyl residue where q is 0 or 1p is 1 or 2Q is C.sub.x H.sub.2x+1 where x is from 1 to 6and when q is 0, Z is H and when q is 1, Z is HO, or(b) R is--CO.CHY.CHY.CH(COOH)NH--and is attached through the nitrogen atom to the pteroyl residue, where Z is HO,one group Y is --H and the other group Y is --SeC.sub.x H.sub.2x+1 where x is from 1 to 6 and esters and salts of such acid.
    Type: Grant
    Filed: November 21, 1977
    Date of Patent: May 13, 1980
    Inventors: Russell J. Bayly, Virginia E. M. Chambers, Reginald Monks