摘要:
The present invention relates to novel compound of general formula (I) and pharmaceutically acceptable salts thereof, and process for the preparation of such derivatives and to pharmaceutical compositions containing the same as active ingredients. ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 represents independently hydrogen atom, halogen atom, C.sub.1 -C.sub.10 alkyl, C.sub.1 -C.sub.10 thioalkyl, C.sub.3 -C.sub.8 optionally substituted cyclicalkyl, unsaturated alkyl, substituted alkyl hydroxyl or aryl hydroxyl, C.sub.1 -C.sub.10 alkylamine, nitro, C.sub.1 -C.sub.4 lower ester, C.sub.1 -C.sub.4 lower alkoxy, C.sub.1 -C.sub.4 lower thioalkoxy; Z represents oxygen atom, sulfur atom, carbon atom and carbonyl group; X represents oxygen atom, sulfur atom; n represents an integer of 1-3; and (sub)cycloalk(en)yl represents ##STR2## in which R.sub.4 and R.sub.5 represents independently hydrogen atom, hydroxymethyl, protected hydroxymethyl, benzyl, substituted carbonyl, substituted alkylsulfonyl or arylsulfonyl, substituted silyl or the like.
摘要:
The present invention relates to novel compound having strong antimumor activities of the general formula(I) ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, substituted or unsubstituted C.sub.1 -C.sub.8 alkyl, substituted or unsubstituted C.sub.3 -C.sub.6 cycloalkyl, substituted or unsubstituted C.sub.2 -C.sub.8 unsaturated alkyl, ketone, substituted or unsubstituted aryl, substituted or unsubstituted C.sub.1 -C.sub.4 alkoxy, substituted or unsubstituted arylhydroxy, substituted or unsubstituted amino, C.sub.1 -C.sub.4 lower ester, C.sub.1 -C.sub.4 lower thioester, thiol, substituted or unsubstituted carboxyl, epoxy, substituted or unsubstituted C.sub.1 -C.sub.4 lower thioalkoxy; or R.sub.1 and R.sub.2 are fused to form C.sub.3 -C.sub.4 saturated or unsaturated chain; R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 are independently hydrogen, halogen, hydroxy, nitro, C.sub.1 -C.sub.4 lower ester, C.sub.1 -C.sub.4 lower alkyl, C.sub.1 -C.sub.4 lower thioalkyl, substituted or unsubstituted C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 lower alkoxy, C.sub.1 -C.sub.4 lower thioalkoxy, substituted or unsubstituted aryl, substituted or unsubstituted lower arylalkoxy, substituted or unsubstituted lower alkylamino, or lower alkyl substituted or unsubstituted carbamate; or among R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7, two adjacent groups are bonded with each other to form 1,2-phenylene or 2,3-naphthylene; X is oxygen, sulfur, or substituted or unsubstituted imino; Y is bonded at the 3-position or 4-position of the aromatic ring part wherein Y is oxygen or --NR.sub.8 -- (wherein, R.sub.8 is the same with the above-mentioned R.sub.3.); Z is hydroxy, C.sub.1 -C.sub.4 lower alkoxy, C.sub.1 -C.sub.4 lower thioalkoxy, substituted or unsubstituted aryloxy, C.sub.1 -C.sub.4 lower alkylamino, substituted or unsubstituted cycloamino containing 1-5 nitrogen atoms; A is nitrogen or --CH.dbd.; its pharmaceutically acceptable acid addition salts and process for the preparation thereof.
摘要:
The present invention relates to pyrimidinedione derivatives of following formula (I) which are useful as antiviral agents, especially as agents for treatment of AIDS, pharmaceutically acceptable salts thereof, process for the preparation thereof and pharmaceutical compositions containing the same, wherein R represents cyclopropyl; cyclobutyl; cyclohexyl; unsubstituted or mono-, di- or trisubstituted phenyl with a group selected from hydroxy, C1–C4 alkyl, C1–C4 alkoxy, halogen, trifluoromethyl, cyano and amino; 1- or 2-naphthyl; 9-anthracenyl; 2-anthraquinonyl; unsubstituted or substituted pyridyl with a group selected from C1–C4 alkyl, C1–C4 alkoxy, cyano and halogen; 2-, 3- or 4-quinolinyl; oxiranyl; 1-benzotriazolyl; 2-benzoxazolyl; furanyl substituted with C1–C4 alkoxycarbonyl; C1–C4 alkylcarbonyl; or benzoyl, R1 represents halogen or C1–C4 alkyl, R2 and R3 represent independently hydrogen or C1–C4 alkyl, X represents oxygen atom, and Y represents oxygen atom, sulfur atom or carbonyl.
摘要:
A process for the preparation of the compound of the formula (I) by reacting a compound of the formula (IV) with a compound of the formula (III). wherein Lie is a leaving group; and a compound of formula (IV):
摘要:
The present invention relates to a novel compound of formula (I) and its pharmaceutically acceptable acid addition salt, and process for the preparation thereof, which have strong antitumor activities and very low toxicity: wherein R1 and R2 are independently hydrogen, C1-C4 alkyl, C1-C4 alkylcarboxyl, C1-C4 alkylcarbonyl, C1-C4 alkoxy, C1-C4 hydroxyalkyl, C1-C4 aminoalkyl or C1-C4 hydroxyiminoalkyl, or R1 and R2 are fused to form C3-C4 unsaturated ring; R3, R4, R5, R6 and R7 are independently hydrogen, halogen, hydroxy, nitro, amino, C1-C4 alkyl, C1-C4 alkylcarboxyl, C1-C4 alkylcarbonyl, C1-C4 alkoxy, C1-C4 thioalkoxy; R8 is C1-C4 alkyl; Y is oxygen, sulphur, amino, subsitituted amino or C1-C4 thioalkyl; Z is C1-C4 alkoxy, C1-C4 alkyl, C1-C4 alkylamino or C1-C4 thioalkoxy; X1 and X2 are independently CH or nitrogen; and —N═C— and —C═Y— may form a single bond or a double bond provided that if —N═C— forms a single bond, —C═Y— forms a double bond, and if —C═Y— forms a single bond, —N═C— forms a double bond and R8 is nonexistent.
摘要:
A pyrimidinedione derivative of formula (I) or a pharmaceutically acceptable salt thereof exhibits excellent inhibitory activity against hepatitis C virus.
摘要:
A pyrimidinedione derivative of formula (I) or a pharmaceutically acceptable salt thereof exhibits excellent inhibitory activity against hepatitis C virus.
摘要:
The present invention relates to new 9-aminoacridine derivatives of general formula (I), wherein A is hydrogen or (II) (wherein X is oxygen or sulfur, R1, R2, R3, R4 and R5 are independently hydrogen, halogen, nitro, amino, hydroxy, C1-C4 lower alkylhydroxy, C1-C4 lower alkylamino, C1-C8 alkyl, C1-C4 lower alkoxy or C1-C4 lower alkyloxycarbonyl and m and n are independently an integer of 0, 1 or 2), R6, R7, R8 and R9 are independently C1-C8 alkyl or C1-C4 lower alkoxy, and Y is hydrogen, amino, —N═CHR′(wherein R′ is hydrogen, benzyl, C1-C8 alkyl or C1-C6 lower alkylamino), (III) (wherein R″ is hydrogen, benzyl, C1-C8 alkyl or C1-C6 lower alkylamino, and R′″ is hydrogen, benzyl, C1-C8 alkyl or amino protecting group) or (IV) (wherein, X is as defined above, R1′, R2′, R3′, R4′ and R5′ are independently hydrogen, halogen, nitro, amino, hydroxy, C1-C4 lower alkylhydroxy, C1-C4 lower alkylamino, C1-C8 alkyl, C1-C4 lower alkoxy or C1-C4 lower alkylcarboxy, and q and r are independently an integer of 0, 1 or 2) or its pharmaceutically acceptable salt, and process for the preparation thereof.
摘要:
The present invention relates to novel compound of the general formula(I) and acid addition salt thereof. ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, C.sub.1 -C.sub.8 alkyl or optionally substituted C.sub.3 -C.sub.6 membered cycloalkyl containing C.sub.3 -C.sub.8 ; R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 are independently hydrogen, halogen, hydroxy, nitro, C.sub.1 -C.sub.4 lower ester, C.sub.1 -C.sub.4 lower alkyl, C.sub.1 -C.sub.4 lower alkoxy, aryl, arylalkoxy or unsaturated amine; l is an integer of 0-7; m and n are independently an integer of 0-1; W is carbon or nitrogen; X is oxygen, sulfur, optionally substituted imine; Y is nitrogen or oxygen; and Z is hydrogen, C.sub.1 -C.sub.8 alkoxy, aryloxy, C.sub.1 -C.sub.4 alkylamine, cycloamine containing N.sub.1 -N.sub.5 or oxo group. The present compounds of the above formula (I) has no only strong antimumor activities but lower toxicities, and accordingly are expected as novel antitumor agents.