摘要:
The present invention relates to mixtures of avermectins, 22,23-dihydroavermectins B.sub.1 (ivermectins) and milbemycins from the class of the macrocyclic lactones in combination with cyclic depsipeptides, optionally in the presence of praziquantel or epsiprantel, for increasing the endoparasiticidal action in endoparasiticidal compositions.
摘要:
The present invention relates to the use of didepsipeptides of the general formula (I) and their salts in which the radicals have the meaning given in the description, and to new didepsipeptides and processes for their preparation.
摘要:
The present invention relates to compounds of the general formula (I) in which R1, R2, R11 and R12 represent the same or different radicals selected from the group of C1-8-alkyl, C1-8-halogenoalkyl, C3-6-cycloalkyl, aralkyl or aryl, R3, R5, R7, R9, represent the same or different radicals selected from the group of hydrogen or straight-chain C1-5-alkyl or branched C4-7-alkyl which may optionally be substituted by hydroxyl, C1-4-alkoxy, carboxyl carboxamide, imidazolyl, indolyl, guanidino, —SH or C1-4-alkylthio, and furthermore represents aryl, aralkyl or heteroarylmethyl which may be substituted by halogen, hydroxyl, C1-4-alkyl, C1-4-alkoxy, nitro or a —NR13R14 group in which R13 and R14 independently from each other represent hydrogen or alkyl or together with the adjoining nitrogen atom forms a 5, 6 or 7-membered ring which is optionally interrupted by O, S or N and which is optionally C1-4-alkyl substituted, R4, R6, R8, R10 represent the same or different radicals selected from the group of hydrogen, straight-chain C1-5-alkyl and represents isopropyl, sec.-butyl, t-butyl, C2-6-alkenyl, C3-7-cycloalkyl, which may optionally be substituted by hydroxyl, C1-4-alkoxy, carboxyl, carboxamide, imidazolyl, indolyl, guanidino, SH or C1-4-alkylthio and represent aryl, aralkyl or heteroarylmethyl which may be substituted by halogen, hydroxyl, C1-4-alkyl, C1-4-alkoxy, and stereoisomers thereof, to processes for their preparation and to their use as endoparasiticides.
摘要:
The present invention relates to a process for the preparation of lactic-acid-containing, optically active, cyclic depsipeptides having 18 ring atoms with the aid of fungal strains of the species Fusarium or enzymatic preparations isolated therefrom.
摘要:
The present invention relates to new substituted 1,2,4-oxadiazole derivatives of the formula (I) and to their stereoisomers ##STR1## in which formula R.sup.4 represents OH, SH, halogenoalkoxy, halogenoalkylthio, halogenoalkylsulphinyl, halogenoalkylsulphonyl, aryloxy, aralkoxy, arylthio, aralkylthio, alkylenedioxy, halogenoalkylenedioxy, amino, alkylamino, dialkylamino, acylamino, carbamoyl, alkylsulphinyl, alkylsulphonyl, arylsuphinyl, arylsulphonyl, sulphonylamino, alkoxycarbonyl, alkylcarbonyl, alkylcarbonyloxy, alkoxyalkyl, alkoxyalkoxy or hydroxyalkoxy, where in the event that at least one of the radicals R.sup.2 or R.sup.3 is other than hydrogen, R.sup.4 additionally represents halogen, alkyl, halogenoalkyl, alkoxy or thioalkyl, where, in the event that R.sup.1 represents optionally substituted C.sub.1-8 -alkyl, R.sup.4 additionally represents alkoxy,processes for their preparation, and their use as endoparasiticides.
摘要:
The present invention relates to the use of 4a, 5a, 8a, 8b-tetrahydro-6H-pyrrolo[3',4':4,5]furo[3,2-b]pyridine-6,8(7H)-dione derivatives of the general formula (I) and salts thereof, ##STR1## in which the radicals R.sup.1 to R.sup.5 have the meaning given in the description, and to novel 4a, 5a, 8a, 8b-tetrahydro-6H-pyrrolo[3',4':4,5]furo[3,2-b]pyridine-6,8(7H)-dione derivatives and processes for their preparation.
摘要:
The present invention relates to a process for the aromatic sulfonylation, sulfenylation, thiocyanation and phosphorylation of cyclic depsipeptides having 6 to 24 ring atoms which are synthesized from .alpha.-hydroxycarboxylic acids and .alpha.-amino acids and contain at least one phenyl radical, characterized in that these cyclic depsipeptides are reacted with sulfonylating, sulfenylating, thiocyanating or phosphorylating agents, optionally in the presence of catalysts, auxiliaries and/or diluents, to novel thus-obtained compounds, and to their use as endoparasiticides.
摘要:
The present invention relates to the use of open-chain octadepsipeptides of the general formula: ##STR1## wherein the R variables have been defined in the specification.
摘要:
The present invention relates to the use of praziquantel and epsiprantel for enhancing the endoparasiticidal activity of cyclic depsipeptides in endoparasiticidal compositions.
摘要:
The present invention relates to the use of substituted 1,2,4-oxadiazole derivatives of the general formula I ##STR1## in which R.sup.1 represents hydrogen, alkyl which is optionally substituted by halogen, alkoxy, hydroxyl, amino, alkylamino, dialkylamino, cycloalkylamino as well as cycloalkyl, optionally substituted aryl or hetaryl,R.sup.2 represents hydrogen and alkyl,X represents O, S, SO, SO.sub.2 and N-R.sup.3,R.sup.3 represents hydrogen, alkyl, alkylcarbonyl or halogenoalkylcarbonylR.sup.4 represents identical or different radicals from the series comprising hydrogen, halogen, cyano, nitro, isothiocyanato, amino, aminoacyl, alkylamino, dialkylamino, trialkylammonium halide, sulphonylamino, hydroxyl, mercapto, alkyl, aralkyl, halogenoalkyl, alkoxy, aralkoxy, halogenoalkoxy, aryl, aryloxy, arylthio, arylsulphinyl, arylsulphonyl, alkylthio, halogenoalkylthio, alkylsulphinyl, halogenoalkylsulphinyl, alkylsulphonyl, halogenoalkylsulphonyl, alkoxycarbonyl, alkylcarbonyl, alkylcarbonyloxy, alkoxyalkyl, alkoxyalkoxy, hydroxyalkoxy, hetarylmethyleneoxy,for combating endoparasites in medicine and veterinary medicine, and new compounds of the formula (I) and their preparation.