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| Number | Title | Issue Date |
| 7288665 | Process for selective derivatization of taxanes Processes for the preparation of taxol and other taxanes through selective derivatization of the C(7) and C(10) hydroxyl groups of 10-DAB, particularly a novel process using a new strategy in which the C(10) hydroxyl group is protected or derivatized prior to the C(... | 10/30/2007 |
| 7202370 | Semi-synthesis of taxane intermediates from 9-dihydro-13-acetylbaccatin III A method is provided for the semi-synthesis of taxane intermediates useful in the preparation of paclitaxel and docetaxel from 9-dihydro-13-acetylbaccatin III. The preparation of a suitably protected baccatin III backbone from 9-dihydro-13-acetylbaccatin III, and th... | 04/10/2007 |
| 7049447 | Aziridine derivatives and their preparation methods The present invention relates to a new aziridine derivative that is represented herein by general chemical formulae (Ia) or (Ib), and to their preparation method. In the said chemical formulae, R2 and R3 can be the same or different, and they a... | 05/23/2006 |
| 6995151 | Isophthalic acid derivatives as matrix metalloproteinase inhibitors Selective MMP-13 inhibitors are isophthalic acid derivatives of the formula wherein: R1, R2, and R3 independently are hydrogen, halo, hydroxy, C1 | 02/07/2006 |
| 6974874 | Reduction of monomer content and stabilization of polyaziridines The invention relates to a process for reducing the monomeric aziridine content in a polyaziridine forming reaction mixture by adding to the polyaziridine forming reaction mixture an excess of a carbodiimide scavenger wherein the excess is based on the equivalent ra... | 12/13/2005 |
| 6927297 | Reduction of monomer content and stabilization of polyaziridines The invention relates to a process for reducing the monomeric aziridine content in a polyaziridine forming reaction mixture by adding to the polyaziridine forming reaction mixture an excess of an organic carbonate scavenger wherein the excess is based on the equival... | 08/09/2005 |
| 6846840 | Cytotoxic N-unsubstituted indoles and cyclopent(B)indoles and method of making and using same The merits of N-unsubstituted indoles and cyclopent[b]indoles as DNA-directed reductive alkylating agents are described. These systems represent a significant departure from N-substituted and pyrrolo[1,2-α] fused systems such as the mitomycins and mitosenes. The cy... | 01/25/2005 |
| 6667407 | Process of making polyaziridines The invention relates to a process for reducing the monomeric aziridine content in a polyaziridine forming reaction mixture by adding to the polyaziridine forming reaction mixture an excess of an isocyanate scavenger wherein the excess is based on the equ... | 12/23/2003 |
| 6559321 | Synthesis of ethyleneimine dimer The invention provides a composition of greater than 90% pure ethyleneimine dimer and a method of synthesizing the same. This method of synthesis provides several advantages over previous methods: (1) The starting compounds are all relatively inexpensive;... | 05/06/2003 |
| 6258960 | Catalytic asymmetric synthesis of chiral aziridines The present invention relates to the synthesis of chiral cis-aziridines (IIIa and IIIb) by reacting an imine (I) with a diazo compound (II) in the presence of a chiral vaulted biary-Lewis Acid complex as shown below: ##STR1##... | 07/10/2001 |
| 6215003 | Synthesis of ethyleneimine dimer This invention provides a method for synthesizing ethyleneimine dimer which includes reacting 2-(2-aminoethylamino)ethanol with an aqueous HX solution to produce N-(2-haloethyl)-1,2-ethanediamine dihydrohalide; reacting this product with a base in a solve... | 04/10/2001 |
| 6172239 | Substituted 1-phenyl-3-pyrazolecarboxamides active on neurotensin receptors, their preparation and pharamaceutical compositions containing them The invention relates to compounds of the formula ##STR1## The compounds have agreat affinity for the neurotensin receptors.... | 01/09/2001 |
| 6060468 | N-substituted azaheterocyclic compounds The present invention relates to novel N-substituted azaheterocyclic compounds of the general formula ##STR1## wherein X, Y, Z, R1, R1a, R2, R2a, p, r and s are as defined in the detailed part of the presen... | 05/09/2000 |
| 6037340 | Synthesis and use of thiophene- and pyrrole-based heteroaromatic compounds Methods for preparing thiophene and pyrrole-based heterocyclic compounds are disclosed. Also disclosed are libraries of thiophene and pyrrole-based heterocyclic compounds, methods for preparing the libraries of thiophene and pyrrole-based heterocyclic com... | 03/14/2000 |
| 5990305 | Photochromic diaryl-3H-naphthopyrane Disclosed is a photochromic compound having a diaryl-3H-napthopyran structure, which has at the 8-position a nitrogen atom-linked hetercyclus, in which the heterocylcus can also have a HALS compound as a substituent or the heterocyclus itself can be forme... | 11/23/1999 |
| 5972964 | Aminomethylindans, -benzofurans and -benzothiophenes Compounds of formula I ##STR1## wherein R1.dbd.(cyclo)alk(en)yl, aralkyl, alkyl(oxy)carbonyl, CONH2, etc.; R2.dbd.H, (cyclo)alk(en)yl, aralkyl, etc.; R3-R5.dbd.H, halo, alkyl, alkoxy, etc.; R6,R7.dbd.H, alkyl; R6R7.dbd.atoms to complete a ring; ... | 10/26/1999 |
| 5965579 | Substituted 1-phenyl-3-pyrazolecarboxamides active on neurotensin receptors, their preparation and pharmaceutical compositions containing them The invention relates to compounds of the formula: ##STR1## Compounds of the above formula have a great affinity for the neurotensin receptors.... | 10/12/1999 |
| 5939449 | Substituted 1-phenyl-3-pyrazolecarboxamides active on neurotensin receptors, their preparation and pharmaceutical compositions containing them The invention relates to compounds of the formula: ##STR1## The compounds have great affinity for the neurotensin receptors.... | 08/17/1999 |
| 5912262 | Heterocyclic compounds The present invention relates to novel N-substituted amino alcohols, amino acids and acid derivatives thereof in which a substituted alkyl chain forms part of the N-substituent or salts thereof, to methods for their preparation, to compositions containing... | 06/15/1999 |
| 5756522 | Triazole derivatives and uses thereof Disclosed are triazole derivatives represented by the following formula, insecticides and acaricides containing the triazole derivatives as active ingredients, and a method of controlling insect pests and mites. ##STR1## wherein R1 represe... | 05/26/1998 |
| 5703247 | 2-Debenzoyl-2-acyl taxol derivatives and methods for making same Compounds having the general formula: ##STR1## wherein R1 is an alkyl or substituted alkyl; R2 is selected from the group consisting of H and C(O)Ra ; R3 is selected from the group consisting of H, protecti... | 12/30/1997 |
| 5688961 | Method of manufacturing a silicon-type charge transporting material A method of manufacturing charge transporting materials which impart a charge transporting property to a polysiloxane resin, and which is soluble in the resin. The charge transporting material is an aromatic substituted tertiary amine with a plurality of ... | 11/18/1997 |
| 5612329 | Diaziridinylpolyamine anti-cancer agents Diaziridinylpolyamines useful as anti-cancer agents; compositions containing the same, and methods of using the same for the treatment of cancer are described.... | 03/18/1997 |
| 5552090 | Photochromic naphthopyran compounds Described are novel reversible photochromic naphthopyran compounds, examples of which are compounds substituted at the 3 position of the pyran ring with (i) an aryl substituent and (ii) a phenyl substituent having a 5- or 6-member heterocyclic ring fused ... | 09/03/1996 |
| 5532255 | Adhesion receptor antagonists Compounds of the formula ##STR1## in which R1, X and Y have the meanings defined herein, and their salts, inhibit the binding of fibrinogen to the fibrinogen receptor and can be used for treating thrombosis, stroke, cardiac infarction, ... | 07/02/1996 |
| 5268374 | Non-peptide renin inhibitors The present invention relates to renin inhibiting compounds of the formula: ##STR1##... | 12/07/1993 |
| 5262549 | Benzpyrylium dyes, and processes for their preparation and use 4-[3-(benz[b]pyran-4-ylidene)prop-1-enyl]benz[b]pyrylium, 4-[5-(4H-benz[b]pyran-4-ylidene)penta-1,3-dienyl]benz[b]pyrylium and 4-[7-(4H-benz[b]pyran-4-ylidene)hepta-1,3,5-trienyl]benz[b]pyrylium dyes, wherein at least one of the benzpyrylium nuclei carrie... | 11/16/1993 |
| 5208222 | 4"-and 4'-alkylthio avermectin derivatives Avermectin derivatives are disclosed wherein the 4"-hydroxy group is replaced by a substituted alkylthio or acylthio group or an iodo group. These avermectin derivatives can be further derivatized at the 5- and 23-positions as ketoximes or O-substituted k... | 05/04/1993 |
| 5071853 | Polycyclic amines useful as cerebrovascular agents A novel series of polycyclic amines, derivatives, methods of making the compounds, novel intermediates, compositions containing them, and methods for using them in the treatment and prevention of cerebrovascular disorders are disclosed.... | 12/10/1991 |
| 4957921 | Substituted cyclohexanols as central nervous system agents Substituted cyclohexanols are described, as well as methods for the preparation and pharmaceutical composition of same, which are useful as central nervous system agents and are particularly useful as dopaminergic, antipsychotic, and antihypertensive agen... | 09/18/1990 |
| 4795627 | Tritium labelled N-mustard type compounds and a process for their production The present invention describes novel tritium labelled nitrogen mustard type compounds, and their aziridinium type analog, and a process for the production of same. The compounds are of value in medical research and development and also as active ingredie... | 01/03/1989 |
| 4652679 | Aziridine and phenethanolamine derivatives having antiobesity and anti-hyperglycaemic acitivity Aziridine and phenethanolamine derivatives of formulae I and II-1 ##STR1## wherein R1 and R2 are hydrogen or lower-alkyl; Z1 is phenyl or a phenyl group substituted in a defined manner; Z2 and Z21 ... | 03/24/1987 |
| 4647413 | Perfluoropolyether oligomers and polymers Perfluoropolyether oligomers or block polymers, having a backbone with one or a plurality of perfluoropolyether segments each consisting essentially of (1) at least one perfluoroisopropyleneoxy unit, (2) a bis(perfluoromethyleneoxy-terminated) unit, and (... | 03/03/1987 |
| 4643849 | Intermediates for urea and thiourea derivatives This invention relates to amine derivatives and salts thereof. These compounds have an anti-ulcer activity which is effective to human beings and animals. This disclosure relates to such compounds, a process for the preparation thereof and an anti-ulcer a... | 02/17/1987 |
| 4613596 | Amino methyl furans and pharmaceutical compositions New compounds active in the treatment of ulcers and alergic skin symptoms are prepared by reacting 2-[[5-[(dimethylamino)methyl]furfuryl]thio]ethylmethylsulphide with a suitable compound of formula RH. Said compounds are particularly useful as active... | 09/23/1986 |
| 4596595 | Herbicidal 5-amino-3-oxo-4-(substituted-phenyl)-2,3-dihydrothiophene and derivatives thereof 5-Amino-3-oxo-4-(3-substituted-phenyl)-2,3-dihydrothiophene and derivatives thereof. The compounds exhibit herbicidal activity. At low dosages the compounds exhibit plant-growth regulating activity.... | 06/24/1986 |
| 4569994 | Dibenzo[b,d]pyranyloxyaminopropanols Dibenzopyran derivatives which possess antihypoxia activity are 7,8,9,10-tetrahydro-6H-dibenzo[b,d]pyranyloxyaminopropanols having the formula: ##STR1## Where X is oxygen or dialkyl in which each alkyl group contains one to seven carbons (C... | 02/11/1986 |
| 4540519 | 1,4-Bis(substituted-amino)-5,8-dihydroxyanthraquinones and leuco bases thereof This disclosure describes symmetrical 1,4-bis-(substituted-amino)-5,8-hydroxyanthraquinones useful as chelating agents and for inducing regression and/or palliation of cancer diseases in mammals.... | 09/10/1985 |
| 4517183 | N-Substituted aziridine-2-carboxylic acid derivatives The present invention provides pharmaceutical compositions containing N-substituted aziridine-2-carboxylic acid derivatives of the general formula: ##STR1## wherein X is a carboxyl, a cyano, an alkoxycarbonyl or an optionally substituted carbamo... | 05/14/1985 |
| 4446068 | N-Substituted fluoroaziridines and process for making N-substituted fluoroaziridines useful as chemical intermediates and process or making by reaction of fluoroazines with fluorocarbenes.... | 05/01/1984 |
