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| Number | Title | Issue Date |
| 7608725 | Processes for nitration of N-substituted imidazoles The present invention relates to a process for making 2-nitroimidazoles that involves the selective nitration of N-substituted imidazoles. ... | 10/27/2009 |
| 7608724 | Antibacterial and/or antiprotozoal nitromidazole derivative compounds with urease inhibitor activity, process for preparing these compounds and use in pharmaceutical compositions and medicines The present application describes nitroimidazolic derivative compounds with antibacterial and/or antiprotozoal activity, which are potent urease inhibitors. It also describes the process for preparing those compounds and their use in pharmaceutical compositions and ... | 10/27/2009 |
| 7304164 | Melt-cast explosive material 1-Methyl-2,4,5-Trinitroimidazole is synthesized starting from 4-nitroimidazole using stepwise nitration method and further methylation using Dimethylsulphate. It is relatively insensitive to impact and its thermal stability is excellent. The calculated detonation pr... | 12/04/2007 |
| 7230115 | Preparation of compounds useful for the detection of hypoxia Novel 18F-flourine compounds useful for non-invasive imaging techniques such as PET, for detecting tissue hypoxia, and methods for preparing them are disclosed. Novel intermediate compounds and methods for preparing them are also disclosed. Diagnostic kit... | 06/12/2007 |
| 7115736 | Process for preparing imidazopyran derivatives A novel process for preparing imidazopyran derivatives of the formula: wherein R1 is halogen atom, hydrogen atom, C1 to C3 alkyl group, aryl group, or ary... | 10/03/2006 |
| 6933391 | Methods of synthesizing heteroatom-bearing ligands and intermediate used therefor The invention provides improved and simplified methods of synthesizing ligands containing a heteroatom-bearing bridge using a novel intermediate compound. The ligands may be used to form metal complexes that are useful in diagnostic and therapeutic applications.... | 08/23/2005 |
| 6855828 | Detection of hypoxia Nitroaromatic compounds and immunogenic conjugates comprising a novel nitroaromatic compound and a carrier protein are disclosed. The invention further presents monoclonal antibodies highly specific for the claimed nitroaromatic compounds, the compounds' protein con... | 02/15/2005 |
| 6743925 | Nitroimidazole derivative and diagnostic imaging agent containing the same A nitroimidazole derivative represented by the following formula (1): [wherein R1 represents a hydrogen atom or a C1-C4 alkanoyl group; and X represents a fluorine atom or an isotope thereof], and a diagnostic imaging ag... | 06/01/2004 |
| 6566330 | Positively charged non-natural amino acids, methods of making and using thereof in peptides This invention relates to positively charged non-natural amino acids, methods of making thereof, and utilization thereof in peptides.... | 05/20/2003 |
| 6465650 | Substituted N-ethylglycine derivatives for preparing PNA and PNA/DNA hybrids The invention provides a processes for the preparation of a compound of Formula I, or a salt thereof ##STR1## wherein PG is a urethane- or trityl-type protective group; X is NH, O, or S; Y is CH2, O, or NH; and B' is a base customary in nucleot... | 10/15/2002 |
| 6384232 | Methods of synthesizing heteroatom-bearing ligands and intermediate used thereof The invention provides improved and simplified methods of synthesizing ligands containing a heteroatom-bearing bridge using a novel intermediate compound. The ligands may be used to form metal complexes that are useful in diagnostic and therapeutic applic... | 05/07/2002 |
| 6340679 | Guanidine derivatives as inhibitors of cell adhesion The present invention relates to acylguanidine derivatives of the formula I ##STR1## in which R1, R2, R4, Ar, X and n have the meanings indicated in the claims, their physiologically tolerable salts and their prodrugs. The... | 01/22/2002 |
| 6252087 | Nitroaromatic compounds for the detection of hypoxia Nitroaromatic compounds and immunogenic conjugates comprising a novel nitroaromatic compound and a carrier protein are disclosed. The invention further presents monoclonal antibodies highly specific for the claimed nitroaromatic compounds, the compounds' ... | 06/26/2001 |
| 6075143 | Substituted N-ethylglycine derivatives for preparing PNA and PNA/DNA hybrids There are described N-ethylglycine derivatives of the formula I ##STR1## in which PG is a urethane-type or trityl-type amino protective group which is labile to weak acids, X is NH, O or S, Y is CH2, NH or O, and B' are bases customary in ... | 06/13/2000 |
| 6004531 | Metal chelating compounds having an SNNN donor set Ligands for radiopharmaceutical use are capable of chelating radiometal species and of being bound to biological targeting molecules. The ligands have formula (a) and (b), where A, A'=--SZ or Y, B.dbd.O or S, Y.dbd. (c), Z.dbd.H or a thiol protecting grou... | 12/21/1999 |
| 5728843 | (2'-nitro-1'-imidazolyl)-2,3-isopropylidene-y-tosylbutanol, a precursor to 18 F!fluoroerythronitroimidazole PET imaging agent The present invention involves a rapid synthesis of 18 F-FMISO and analogs thereof. New precursors such as 1-(2'-nitro-1'-imidazolyl)-2-0-acetyl-3-0-tosylpropanol, glycerol-1,3-ditosylate-2-0-acetylate, 1-(2'-nitro-1'-imidazolyl)-2,3-0-dia... | 03/17/1998 |
| 5721265 | Fluorinated 2-nitroimidazole analogs for detecting hypoxic tumor cells Agents useful for detecting hypoxic tumor cells are provided. The compounds have the structural formula (I) ##STR1## Methods of using the compounds to detect hypoxic tumor cells are also provided, as are pharmaceutical compositions formulated with th... | 02/24/1998 |
| 5691371 | Nitrobenzyl mustard quaternary salts and their use as hypoxia-selective cytotoxic agents Nitrobenzyl mustard quaternary salts of formula (I), ##STR1## and the pharmaceutically acceptable salts thereof, process for their manufacture and their chemotherapeutic use as hypoxia selective cytotoxic agents. Wherein, X represents a linker chain ... | 11/25/1997 |
| 5688487 | Diagnostic imaging methods using rhenium and technetium complexes containing a hypoxia-localizing moiety Novel methods, processes and metal complexes attached to a hypoxia-localizing moiety comprising a metal, preferably radionuclide of rhenium or technetium; a hypoxia-localizing moiety; and, a complexing ligand, wherein said ligand and said radionuclide combined ... | 11/18/1997 |
| 5659048 | Chiral [[(2-bromoethyl)-amino]methyl]-2-nitro-1H-imidazol-1-ethanol and related compounds Chiral compounds useful as radiosensitizers or chemosensitizers having the formula ##STR1## wherein X is halogen or ##STR2## intermediates used to prepare these compounds, and a novel process to prepare these compounds are described.... | 08/19/1997 |
| 5631381 | Process for the preparation of pesticidal 1-(haloaryl) heterocyclic compounds Process for preparing complex pesticidal 1-(haloaryl)heterocyclic compounds by reacting 1-(nitroaryl)heterocycles with metallic halide salts.... | 05/20/1997 |
| 5624947 | Phenyl derivatives useful as tachykinin antagonists Compounds of formula (I), or a salt or prodrug thereof are tachykinin antagonists.... | 04/29/1997 |
| 5532380 | R,R,S,S-2-nitroimidazole derivatives High purity 2-nitroimidazole derivatives having excellent radiosensitivity and high safety and useful as a drug to be used along with radiotherapy of various cancers can be prepared at a high yield from inexpensive diester of tartaric acid according to th... | 07/02/1996 |
| 5506345 | Metal complexes for hypoxic cells Agents for the diagnosis or treatment of hypoxic cells comprise a bioreductive moiety such as 2-nitroimidazole, and a metal chelating moiety which is a bis-amine oxime of which a carbon atom adjacent a nitrogen atom is linked to the bioreductive moiety. A... | 04/09/1996 |
| 5387692 | Metal chelating ligands for hypoxic cells Agents for the diagnosis or treatment of hypoxic cells comprise a bioreductive moiety such as 2-nitroimidazole, and a metal chelating moiety which is a bis-amine oxime of which a carbon atom adjacent a nitrogen atom is linked to the bioreductive moiety. A... | 02/07/1995 |
| 5387297 | 2,4-dinitroimidazole- a less sensitive explosive and propellant made by thermal rearrangement of molten 1,4 dinitroimidazole The compound 2,4-dinitroimidazole is highly insensitive towards impact and its thermal stability is excellent. The calculated detonation properties results indicate that its performance is about 30% better than TATB. It can be prepared easily with good yi... | 02/07/1995 |
| 5342959 | Process for preparing chiral [[(2-bromoethyl)-amino]methyl]-2-nitro-1H-imidazol-1-ethanol and related compounds Chiral compounds useful as radiosensitizers or chemosensitizers having the formula ##STR1## wherein X is halogen or ##STR2## intermediates used to prepare these compounds, and a novel process to prepare these compounds are described.... | 08/30/1994 |
| 5304654 | Fluorine-containing nitroimidazole compounds A 2-nitroimidazole compound of the formula: ##STR1## wherein Rf is a fluorine-containing organic group which has at least one fluorine atom on a carbon atom which bonds to the nitrogen atom of the imidazole ring or a carbon atom which bond... | 04/19/1994 |
| 5270330 | 2-nitroimidazole derivative, production thereof, and radiosensitizer containing the same as active ingredient The present invention relates to a 2-nitroimidazole derivative represented by the following general formula (I): ##STR1## wherein R1, R2 and R3 may be the same or different from each other and mean individually a hydr... | 12/14/1993 |
| 5223525 | Pesticidal 1-arylimidazoles The invention describes novel 1-arylimidazoles of formula (I) ##STR1## wherein typically preferred substituents are: X is S(O)n R1, in which R1 is an alkyl group, preferably a methyl group, which is fully substituted ... | 06/29/1993 |
| 5098921 | Nitro-substituted aromatic or hetero-aromatic compounds for use in cancer treatment A compound for treating a patient having a solid tumor in which it is known or suspected that hypoxic cells are present, which is a compound of formula (A): ##STR1## wherein X represents a nitro-substituted aromatic or hetero-aromatic group with... | 03/24/1992 |
| 5073639 | Process for the synthesis of novel and known nitroimidazoles which are useful as sensitizing agents The present invention is a novel process for preparing both known and novel nitroimidazoles having novel intermediates. The process advantageously reduces the number of process steps, provides increased yield with both greater safety and greater control o... | 12/17/1991 |
| 5036096 | Aziridino derivatives of nitroimidazoles and pharmaceutical compositions of selected derivatives The present invention is novel aziridino derivatives of nitroimidazoles and pharmaceutical compositions of selected derivatives useful as radiosensitizing or chemosensitizing agents in the treatment of hypoxic tumor cells. Also, the present invention is a... | 07/30/1991 |
| 4977273 | Fluorine-containing 2-nitroimidazole derivatives A 2-nitroimidazole derivative of the formula: ##STR1## wherein Rf is a group of the following formula (II) or (III): --CH2 CFXCH2 OR1 (II) wherein X is a hydrogen atom or a halogen atom; R | 12/11/1990 |
| 4954515 | Haloalkylaminomethyl-2-nitro-1H-imidazoles The present invention is novel nitroimidazoles useful as radiosensitizing or chemosensitizing agents in the treatment of hypoxic tumor cells. Also, the present invention is a novel process for preparing both known and novel nitroimidazoles having novel in... | 09/04/1990 |
| 4945102 | Heterocyclic derivatives and radiosensitizing agents and antiviral agents comprising same as their active component A novel heterocyclic derivative of formula (I): ##STR1## wherein R1 represents ##STR2## and R2 represents hydrogen or acyl. When R2 is acyl, the derivative can be prepared, for example, by the following process: ... | 07/31/1990 |
| 4942170 | 2-(substituted methylidene)-N-[3-[piperidin-1-yl]propyl]hydrazine carboximidamides useful as antiparasitics The present invention relates to the treatment of diseases caused by invading organisms in a host by first identifying an enzymatic difference between the host and the invading organism and then administering to the host a pharmaceutically effective amoun... | 07/17/1990 |
| 4851423 | Pharmaceutically active compounds The disclosed invention is compounds represented by the formula and pharmaceutically acceptable acid addition salts and quarternary amine salts thereof, wherein Z is phenyl, naphthyl or adamantyl; substituted phenyl wherein the substituents are one or more of ... | 07/25/1989 |
| 4797397 | 2-nitroimidazole derivatives useful as radiosensitizers for hypoxic tumor cells Certain -[(2-nitro-1H-imidazol-1-yl)methyl]-aziridinylethanols and the corresponding aziridine-ring opened analogs are useful as radiation sensitizers for X-irradiation therapy of tumors.... | 01/10/1989 |
| 4698434 | Preparation of hydroxymethylimidazoles Imidazoles which carry a hydroxymethyl radical on a carbon atom of the imidazole ring are prepared by treating a 1-hydroxymethylimidazole, which is unsubstituted in one or more of the positions 2, 4 and 5 of the imidazole ring, with an anion exchanger.... | 10/06/1987 |
