Abstract: Provided herein are substituted pyrimidine and triazine derivatives, including bicyclic pyrimidine derivatives, their pharmaceutical compositions, their preparation, and their use as agents or drugs for cancer therapy, either alone or in combination with radiation and/or other anticancer drugs. In one embodiment, the pyrimidine and triazine derivatives are morpholino-pyrimidine, morpholino-triazine, pyridyl-pyrimidine, and pyridyl-triazine derivatives which are selective irreversible inhibitors of the p110? isoform of PI3K.

Abstract: The current invention pertains to nitroimidazooxazine and nitroimidazooxazole analogues, their methods of preparation, and uses of the compounds as treatment for Mycobacterium tuberculosis, for use as anti-tubercular drugs, for use as anti-protozoal agents with unexpectedly high potency against Trypanosoma cruzi or Leishmania donovani, and for the treatment of other microbial infections.

Abstract: The compound 3-ethyl-6-[3-(4-morpholinyl)propoxy]-1,2,4-benzotriazine 1,4-dioxide and pharmacologically acceptable salts thereof. A method of treating cancer in a subject is also described in which 3-ethyl-6-[3-(4-morpholinyl)propoxy]-1,2,4-benzotriazine 1,4-dioxide or a pharmacologically acceptable salt thereof is administered to tumor cells in a hypoxic environment. Also described is a method of radiosensitising in a subject tumor cells of solid tumors in hypoxic conditions by administering to the subject a pharmaceutical composition containing 3-ethyl-6-[3-(4-morpholinyl)propoxy]-1,2,4-benzotriazine 1,4-dioxide or a pharmacologically acceptable salt thereof in an amount sufficient to produce radiosensitivity in the tumor cells, and subjecting the tumor cells to radiation.

Abstract: Compounds of formula (I) or formula (II) have anti-inflammatory activity and comprise a new class of NSAIDs. The compounds are useful for treating inflammatory diseases or disorders. The invention also provides pharmaceutical compositions containing these compounds, as well as methods of treating inflammatory diseases or disorders using compounds of formula (III) or formula (IV).

Abstract: The present invention relates to pyrimido [5,4-d] pyrimidine compounds of Formula II or a pharmaceutically acceptable salt thereof, wherein Q is and X, E1, E2, E3, R6 and p are as defined herein. The compounds of this invention are irreversible inhibitors of tyrosine kinases and are useful in the treatment of cancer, atherosclerosis, restenosis, endometriosis and psoriasis.

Abstract: Nitroaniline-based unsymmetrical mustards of the general formula (I) are provided, together with methods of preparation and methods for their use as prodrugs for gene-dependent enzyme prodrug therapy (GDEPT) and cell ablation therapy in conjunction with nitroreductase enzymes as hypoxia selective cytotoxins and as anticancer agents.

Abstract: The present invention relates generally to nitro-1,2-dihydro-3H-benzo[e]indoles and related analogues, to their preparation, and to their use as hypoxia-selective drugs and radiosensitizers for cancer therapy, both alone or in combination with radiation and/or other anticancer drugs.

Abstract: The invention relates to methods of preparing compounds of formula (II) wherein Z represents —OR1 or N(R2)R2a—, where R1 is lower alkylene (C1-C6), R2 is lower alkyl or H and R2a is lower alkylene (C1-C6) or H; Q is absent when R2a is H and is otherwise selected from the group consisting of H, —OH and protected forms of —OH; one of X and Y is halogen and the other is —OSO2R3, where R3 is selected from the group consisting of lower alkyl (C1-C6), phenyl and CH2phenyl. The method comprises the steps of: (a) reacting a compound of formula (I) with aziridineethanol or a 2-[(2-haloethyl)amino]ethanol in the presence of a metal halide, to form a compound of the formula (III) wherein one of X and E is halogen and the other is hydroxy, and (b) reacting the compound of formula (III) with an alkyl- or arylsulfonyl halide or alkyl- or arylsulfonyl anhydride to obtain a compound of the formula (II).

Abstract: The current invention provides a series of bicyclic nitroimidazole-substituted phenyl oxazolidinones in which a bicyclic nitroimidazole pharmacophore is covalently bonded to a phenyl oxazolidinone, their pharmaceutical compositions, and the method of use of the compositions for prevention and treatment of bacterial infections. The bicyclic nitroimidazole-substituted phenyl oxazolidinones possess surprising antibacterial activity against wild-type and resistant strains of pathogens, and are therefore useful for the prevention, control and treatment of a number of human and veterinary bacterial infections caused by these pathogens, such as Mycobacterium tuberculosis.

Abstract: The present invention relates to novel nitrophenyl mustard and nitrophenylaziridine alcohols, to their corresponding phosphates, to their use as targeted cytotoxic agents; as bioreductive drugs in hypoxic tumours, and to their use in cell ablation, including gene-directed enzyme-prodrug therapy (GDEPT) and antibody-directed enzyme-prodrug therapy (ADEPT), in conjunction with nitroreductase enzymes.

Abstract: The present invention relates to substituted ring fused azines and methods of using said compounds in treating cancers. More specifically, the present invention relates to the preparation of 4-alkyl-2-(heterocyclic)-azines and their use as cancer agents or drugs for cancer therapy. The compounds of the invention display favourable in vivo and in vitro activity against selected cancers.

Abstract: The present invention relates to a novel nitrophenyl mustard and nitrophenylaziridine alcohols, to their corresponding phosphates, to their use as targeted cytotoxic agents; as bioreductive drugs in hypoxic tumors, and to their use in cell ablation, including gene-directed enzyme-prodrug therapy (GPEPT) and antibody-directed enzymeprodrug therapy (ADEPT), in conjunction with nitroreductase enzymes.

Abstract: The current invention provides a series of bicyclic nitroimidazole-substituted phenyl oxazolidinones in which a bicyclic nitroimidazole pharmacophore is covalently bonded to a phenyl oxazolidinone, their pharmaceutical compositions, and the method of use of the compositions for prevention and treatment of bacterial infections. The bicyclic nitroimidazole-substituted phenyl oxazolidinones possess surprising antibacterial activity against wild-type and resistant strains of pathogens, and are therefore useful for the prevention, control and treatment of a number of human and veterinary bacterial infections caused by these pathogens, such as Mycobacterium tuberculosis.

Abstract: The invention relates to novel tricyclic 1,2,4-triazine-1-oxides and novel tricyclic 1,2,4-triazine-1,4-dioxides of formula I and to related analogues, to their preparation, and to their use as hypoxia-selective drugs and radiosensitizers for cancer therapy, both alone or in combination with radiation and/or other anticancer drugs.

Abstract: This invention relates to polycyclic carboxamide compounds of the formula I: with cytotoxicity, processes for their preparation, pharmaceutical compositions containing them and their use in therapy, particularly in the treatment and/or prophylaxis of cellular proliferative disorders such as cancer.

Abstract: This invention relates to polycyclic carboxamide compounds of the formula (I) with cytotoxicity, processes for their preparation, pharmaceutical compositions containing them and their use in therapy, particularly I the treatment and/or prophylaxis of cellular proliferative disorders such a cancer.

Abstract: The present invention relates generally to nitro-1,2-dihydro-3H-benzo[e]indoles and related analogues, to their preparation, and to their use as hypoxia-selective drugs and radiosensitizers for cancer therapy, both alone or in combination with radiation and/or other anticancer drugs.

Abstract: A compound of formula (I): in which A is a C alkylene group with a chain length between NH and N(O)R?R? of at least 2 carbon atoms and R? and R? are each separately selected from C1-4 alkyl groups and C2-4 hydroxyalkyl and C2-4 dihydroxyalkyl groups, or R? and R? together are a C2-6 alkylene group, is formulated so that upon dissolution in aqueous solution the pH of the solution is in the range of 5 to 9. The compound may be in the form of salt with a physiologically acceptable acid having a pKa in the range of ?3.0 (minus 3.0) to 9.

Abstract: The invention provides processes of preparing 3-substituted 1-(chloromethyl)- 1,2-dihydro-3H-[ring fused indol-5-yl(amine-derived)] compounds of formula (I) and its analogues, or a physiologically functional derivative thereof, (I), wherein A and B together may represent a fused optionally substituted benezene, naphthalene, pyridine, furan or a pyrrole ring, where the optional substituents are represented by Y; X is halogen or OSO2R, and W is selected from NO2, NHOH, N(R3)2NHR3, NHCO2R3, N(phthaloyl) or NH2, or W is further selected from the group (a), wherein J is selected from OH or H, and P is a group which is a substrate suitable for a nitroreductase or carboxypeptidase enzyme. The invention is also directed to the use of compounds of formula (I) prepared by the processes of the invention as cytotoxins for cancer therapy and as prodrugs for gene-directed enzyme-prodrug therapy (GDEPT) and antibody-directed enzyme-prodrug theraphy (ADEPT).

Abstract: Disclosed are compounds of Formulae (Ia), (Ib), (Ic), (Id) wherein: W is NH, S, SO, or SO2; R2 is (un)substituted aryl, (un)substituted heteroaryl, or (un)substituted carbocycle or heterocycle; Q is hydrogen or lower alkyl; R4 and R6 are the same or different and represent hydrogen, halogen, lower alkyl, lower alkoxy, (un)substituted aryl, (un)substituted heteroaryl, (un)substituted arylalkyl or (un)substituted heteroarylalkyl; and R8 is hydrogen, lower alkyl or an (un)substituted carbocyclic group containing from 3–7 members, up to two of which members are optionally hetero atoms selected from oxygen and nitrogen; or R8 is (un)substituted aryl, (un)substituted heteroaryl, (un)substituted arylalkyl or (un)substituted heteroarylalkyl. These compounds are useful for treating cell proliferative disorders, such as cancer and restenosis. These compounds are potent inhibitors of cyclin-dependent kinases (cdks) and growth factor-mediated kinases.