摘要:
Compounds of the formula ##STR1## wherein A is C.sub.1-8 -alkylene, R.sup.1 is halogen, C.sub.1-4 -alkyl or halo-(C.sub.1-4 -alkyl), R.sup.2 is hydrogen, hydroxy or acyloxy, R.sup.3 is hydrogen or C.sub.1-4 -alkyl, R.sup.4 is aryl or aryloxy and X is O or NH,and tautomers thereof are described. The compounds of formula I and their tautomers possess antiviral activity and can be used in the form of medicaments for the control and prevention of viral infections.
摘要:
Compounds of the formula ##STR1## wherein R.sup.1 is halogen, C.sub.1-4 -alkyl, halo-(C.sub.1-4 -alkyl) or C.sub.2-4 -alkanoyl,R.sup.2 is hydrogen, hydroxy, C.sub.1-4 -alkoxy, C.sub.1-4 -alkylthio or phenyl-(C.sub.1-4 -alkoxy) or, when X is O, also acyloxy,R.sup.3 is hydrogen or C.sub.1-4 -alkyl,R.sup.4 is a carbocyclic group or a heterocyclic group,R.sup.5 is hydrogen or fluorine,m stands for zero, 1 or 2,X is O or NH and Y is a direct bond, --CH.dbd.CH--, --C.tbd.C-- or a group of the formula of--(Z).sub.n --A-- (a) in which A is a C.sub.1-8 -alkylene group which is optionally substituted by one or two phenyl groups, is O, S, SO or SO.sub.2 and n stands for zero or 1, with the proviso that R.sup.1 is different from iodine, when R.sup.2 is hydroxy or benzoyloxy, R.sup.3 is hydrogen, R.sup.4 is unsubstituted phenyl, R.sup.5 is hydrogen, m stands for zero, X is O, and Y is a direct bond,and tautomers thereof, which possess antiviral activity and can therefore be used in the form of medicaments for the control and prevention of viral infections are described. The compounds of formula I can be prepared according to known methods.
摘要:
Compounds of the formula: ##STR1## wherein R.sup.1 is alkoxycarbonyl, aralkoxycarbonyl, alkanoyl, aralkanoyl, heterocyclylcarbonyl or a group of the formula: ##STR2## R.sup.2 is alkyl, cycloalkylalkyl or aralkyl; R.sup.3 is hydrogen and R.sup.4 is hydroxy or R.sup.3 and R.sup.4 together are oxo; R.sup.5 is alkoxycarbonyl or alkylcarbamoyl; R.sup.6 and R.sup.7 together are trimethylene or tetramethylene optionally substituted by alkyl or on adjacent carbon atoms by tetramethylene; R.sup.8 is alkoxycarbonyl, aralkoxycarbonyl, alkanoyl, aroyl, aralkanoyl or heterocyclylcarbonyl; and R.sup.9 is alkyl, cycloalkyl, cycloalkylalkyl, aralkyl, cyanoalkyl, carbamoyl-alkyl, alkylthioalkyl, alkoxyalkyl or alkoxycarbonylalkyl: and pharmaceutically acceptable acid addition salts of those compounds of formula I which are basic, inhibit aspartyl proteases of viral origin and can be used in the form of medicaments for the prophylaxis or treatment of viral infections. They can be manufactured according to generally known methods.
摘要:
Compounds of the formula: ##STR1## wherein R.sup.1 is alkoxycarbonyl, aralkoxycarbonyl, alkanoyl, aralkanoyl, heterocyclylcarbonyl or a group of the formula: ##STR2## R.sup.2 is alkyl, cycloalkylalkyl or aralkyl; R.sup.3 is hydrogen and R.sup.4 is hydroxy or R.sup.3 and R.sup.4 together are oxo; R.sup.5 is alkoxycarbonyl or alkylcarbamoyl; R.sup.6 and R.sup.7 together are trimethylene or tetramethylene optionally substituted by alkyl or on adjacent carbon atoms by tetramethylene; R.sup.8 is alkoxycarbonyl, aralkoxycarbonyl, alkanoyl, aroyl, aralkanoyl or heteroeyelylearbonyl; and R.sup.9 is alkyl, cycloalkyl, cycloalkylalkyl, aralkyl, cyanoalkyl, carbamoyl-alkyl, alkylthioalkyl, alkoxyalkyl or alkoxycarbonylalkyl:and pharmaceutically acceptable acid addition salts of those compounds of formula I which are basic, inhibit aspartyl proteases of viral origin and can be used in the form of medicaments for the prophylaxis or treatment of viral infections. They can be manufactured according to generally known methods.
摘要:
Compounds of the formula ##STR1## wherein R.sup.1 is halogen, C.sub.1-4 -alkyl, halo-(C.sub.1-4 -alkyl) or C.sub.2-4 -alkanoyl,R.sup.2 is hydrogen, hydroxy, C.sub.1-4 alkoxy, C.sub.1-4 -alkylthio or phenyl-(C.sub.1-4 -alkoxy) or , when X is O, also acyloxy,R.sup.3 is hydrogen or C.sub.1-4 -alkyl,R.sup.4 is a carbocyclic group or a heterocyclic group,R.sup.5 is hydrogen or fluorine,m stands for zero, 1 or 2,X is O or NH and Y is a direct bond, --CH.dbd.CH--, --C.tbd.C-- or a group of the formula of--(Z).sub.n --A-- (a)in which A is a C.sub.1-8 alkylene group which is optionally substituted by one or two phenyl groups,Z is O, S, SO or SO.sub.2 and n stands for zero or 1, with the proviso that R.sup.1 is different from iodine, when R.sup.2 is hydroxy or benzoyloxy, R.sup.3 is hydrogen,R.sup.4 is unsubstituted phenyl, R.sup.5 is hydrogen, m stands for zero, X is O, and Y is a direct bond, and tautomers thereof, which possess antiviral activity and can therefore be used in the form of medicaments for the control and prevention of viral infections are described. The compounds of formula I can be prepared according to known methods.
摘要:
Compounds of the formula ##STR1## wherein A is C.sub.1-8 -alkylene, R.sup.1 is halogen, C.sub.1-4 -alkyl or halo-(C.sub.1-4 -alkyl), R.sup.2 is hydrogen, hydroxy or acyloxy, R.sup.3 is hydrogen or C.sub.1-4 -alkyl, R.sup.4 is aryl or aryloxy and X is O or NH,and tautomers thereof are described. The compounds of formula I and their tautomers possess antiviral activity and can be used in the form of medicaments for the control and prevention of viral infections.
摘要:
Compounds of the formula ##STR1## wherein R.sup.1 is halogen, C.sub.1-4 -alkyl or halo-(C.sub.1-4 - alkyl), R.sup.2 is hydrogen, hydroxy or acyloxy, R.sup.3 and R.sup.4 each are hydrogen or C.sub.1-4 -alkyl, R.sup.5 is aryl or aryloxy, X is O or NH and Y is --CO--CH.sub.2 --, --CH(OH)--CH.sub.2 --, --CH.sub.2 --CH.sub.2 --, --S--, --SO-- or --SO.sub.2 --,and tautomers thereof are described. Compounds of formula I and their tautomers possess antiviral activity and can be used in the form of medicaments for the control and prevention of viral infections.
摘要:
The present invention relates to naphthacene derivatives. More particularly, the invention is concerned with a process for the manufacture of hexahydronaphthacene derivatives and with certain of said derivatives per se. The invention is also concerned with novel intermediates occurring in said process and with the preparation thereof.There are presented hexahydronaphthacene derivatives of the formula ##STR1## wherein R.sup.1 represents a lower alkyl or esterified carboxy group or a group of the formula ##STR2## , in which R.sup.2 and R.sup.3 together form an oxo group or a protected oxo group and X represents a hydrogen atom or a hydroxy or acyloxy group, or--(CH.sub.2).sub.n --OY bin which n stands for 1 or 2 and Y represents a hydrogen atom or an alkyl or acyl group.Also presented are intermediates and a process to produce the compounds of formula I.
摘要:
There is presented a process for the manufacture of hexahydronaphthacene derivatives of the general formula ##STR1## wherein one of R.sup.1 and R.sup.2 represents a hydrogen atom and the other represents a hydrogen atom or a hydroxy group or R.sup.1 and R.sup.2 together represent a protected oxo group, R.sup.3 represents a hydrogen atom or a hydroxy or acyloxy group and R.sup.4 represents a lower alkyl or esterified carboxy group or a group of the formula ##STR2## wherein R.sup.5 and R.sup.6 together form an oxo group or a protected oxo group and X represents a hydrogen atom or a hydroxy or acyloxy group or--(CH.sub.2).sub.n --OY bin which n stands for 1 or 2 and Y represents a hydrogen atom or an alkyl or acyl group.Also presented are certain of the novel derivatives per se and various novel intermediates in the process.
摘要:
The invention relates to compounds of the formula ##STR1## wherein R is lower alkyl or a carboxy group or a group of the formula--(CH.sub.2).sub.n --OY a in which n stands for 1 or 2 and Y is hydrogen or alkyl and R.sup.Y and R.sup.z each are hydrogen or one of R.sup.Y and R.sup.z is hydrogen and the other is hydroxy,and pharmaceutically acceptable acid addition salts thereof.These compounds and salts possess antibiotic and antitumor activity and can be used as medicaments in the form of pharmaceutical preparations.