- DERIVATIVES OF TRIAZINES AND URACILS, THEIR PREPARATION AND THEIR APPLICATION IN HUMAN THERAPEUTICS
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The present invention relates to derivatives of general formula I wherein : - W represents nitrogen, - R1 represents: ? a hydrogen or a linear or branched C1-C5 alkyl radical or, ? a C1-C3 alkyl radical substituted with groups such as trifluoromethyl, nitrile, hydroxy, C1-C3 alcoxy, C3-C6 alkoxyalkoxy, indolyl, thiophenyl, oxothiophenyl, C1-C3 N-alkylcarbamoyl groups or, ? a phenyl or pyridyl or naphthyl, or thiophenyl group optionally substituted with one or more groups such as halogen atoms, nitro, nitrile, trifluoromethyl, vinyl, methylsulfanyl, linear branched C1-C4 alkyl, linear or branched C1-C3 alkoxy groups, ? a C6 2-oxocycloalkyl radical - R2 represents a methyl or heptyl, - m, n are equal to 1, - V represents CH2, - X-Y represents -N- (C=O) -, -CH-O-, - Z represents a phenyl group substituted with one or more trifluoromethyl groups, halogen atoms or linear C1-C4 alkyl groups.
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Page/Page column 18-19
(2010/04/03)
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- 1,2,4-Triazine Derivatives, Preparation and Use Thereof in Human Therapy
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The invention concerns 3,5-dioxo-(2H,4H)-1,2,4-triazine derivatives of general formula (I), wherein: R1 and R2, identical or different, represent a branched or linear C1-C7 alkyl or alkenyl radical, a C1/s
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Page/Page column 8
(2008/12/06)
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- 1,2,4-TRIAZINES DERIVATIVES, PREPARATION THEREOF AND USE THEREOF IN HUMAN THERAPEUTICS
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The invention relates to 3,5-dioxo-(2H,4H)-1,2,4-triazine derivatives of general formulae (I or II), in which in particular: R1 represents hydrogen, a linear or branched C1-C6 alkyl or alkoxy radical, a C5-C6 cycloalkyl radical, a phenyl (C1-C2) alkyl radical or a phenyl radical;-R2 represents hydrogen, a linear or branched Cl-C7alkyl radical, or a C1-C6 alkyl radical substituted with groups such as trifluoromethyl or phenyl;- linker represents a C2-C6 alkyl chain or -(CH2)n-O- (n = 2 to 5), - R3 represents a group of general formula below for which X = O, linker can be connected to the ortho-, meta- or para-positions of the aromatic of the group R3, R4, R5, R6, R7 and R8 represent hydrogen or fluorine, R9, Rio and R11 represent hydrogen or a linear or branched Cl-C5 alkyl group, in particular R9 and Rio represent the methyl group and R11 represents hydrogen or the ethyl group.
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Page/Page column 20
(2010/02/13)
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- Anticoccidial derivatives of 6 azauracil. I. Enhancement of activity by benzylation of nitrogen 1. Observations on the design of nucleotide analogues in chemotherapy
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Benzylation of 6-azauracil at N-1 (which corresponds to the point of attachment of the ribose phosphate unit in pyrimidine nucleotides) has been found to augment its anticoccidial activity fourfold. The high potency of 1-benzyl-6-azauracil is ascribed to a combination of intrinsic activity, efficient oral absorption, and a moderate rate of excretion. Metabolism experiments using 1-benzyl-6-azauracil labeled with 14C in the heterocycle and (separately) in the side chain showed that, in the drug accounted for, no cleavage had occurred. Additional activity increases were achieved by introducing small, electron-withdrawing substituents in the meta and/or para position(s) of the benzyl group. One of the most active derivatives, 1-(3-cyanobenzyl)-6-azauracil, is about 16 times as potent as 6-azauracil.
- Mylari,Miller,Howes Jr.,Figdor,Lynch,Koch
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p. 475 - 483
(2007/10/09)
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