Abstract: The invention refers to novel piperazinylalkylthiopyrimidine derivatives of formula (I) being suitable for the treatment of diseases due to pathological alterations of the central nervous system, pharmaceutical compositions containing the above derivatives, and a process for the preparation of the novel compounds.

Abstract: The present invention relates to new carbazates of the formula (I) ##STR1## wherein A is C.sub.3 to C.sub.10 alkenyl, C.sub.2 to C.sub.10 haloalkyl, trifluoromethyl, phenyl-C.sub.1 to C.sub.3 alkyl, phenyl-C.sub.2 to C.sub.3 alkenyl, naphthyl-C.sub.1 to C.sub.3 alkyl, C.sub.3 to C.sub.7 cycloalkyl-C.sub.1 to C.sub.3 alkyl, furyl which can be nitro-substituted, diphenyl-hydroxymethyl or indazolyl which can be substituted by one or more C.sub.1 to C.sub.4 alkoxy groups; andR is C.sub.1 to C.sub.4 alkyl,and acid addition salts thereof, a process for the preparation thereof and feed additives comprising the same.The compounds of formula (I) may be used in animal husbandry due to their weight-gain increasing and fodder utilization improving effect.

Abstract: The present invention relates to new carbazates of the general formula (I), ##STR1## wherein A is C.sub.3-10 alkyl, C.sub.3-10 alkenyl, C.sub.2-10 haloalkyl, trifluoromethyl, phenyl-C.sub.1-3 alkyl, phenyl-C.sub.2-3 -alkenyl, naphthyl-C.sub.1-3 alkyl; phenyl optionally substituted by one or more identical or different substituent(s) selected from C.sub.1-4 alkyl, halogen, C.sub.1-4 alkoxy and hydroxy; C.sub.3-7 cycloalkyl-C.sub.1-3 alkyl; optionally nitro-substituted furyl; diphenyl-hydroxy-methyl or indazolyl optionally substituted by one or more C.sub.1-4 alkoxy group(s) andR represents C.sub.1-4 alkyl,with the proviso that if R stands for ethyl, A is other than tertiary butyl, and acid addition salts thereof, a process for the preparation thereof and feed-additives comprising the same.The compounds of the general formula (I) may be used in animal husbandry due to their weight-gain increasing and fodder utilization improving effect.

Abstract: The invention relates to new carbazic acid derivatives, a process for the preparation thereof and compositions--particularly feed additives and animal feeds--containing the same. The new compounds according to the invention correspond to the formula (I)R.sup.1 .dbd.N--NH--COOR.sup.3 (I)wherein R.sup.1 stands for a C.sub.7-12 cycloalkylidene group, an indanylidene group or a group of the formula (IX) ##STR1## wherein A represents a phenyl group optionally carrying one or more identical or different substituents selected from the group consisting of halo, nitro, hydroxy, C.sub.1-4 alkoxy, C.sub.1-4 alkyl, amino or C.sub.1-4 alkoxycarbonylhydrazino; phenyl-(C.sub.1-4 alkyl), C.sub.1-16 alkyl, C.sub.3-7 cycloalkyl or indolyl, or a C.sub.3 -C.sub.6 cycloalkyl group substituted by a C.sub.3 -C.sub.6 cycloalkyl group; R.sup.2 denotes a hydrogen atom, a C.sub.1-16 alkyl or a C.sub.3-7 cycloalkyl group; and R.sup.3 represents a C.sub.1-4 alkyl group.

Abstract: The invention relates to new cycloalkane derivatives, a process for the preparation thereof and compositions--particularly feed additives and animal feeds--containing the same.The new compounds of the present invention correspond to the general formula I ##STR1## wherein n is 3, 4, 5 or 6;R denotes a phenyl group optionally carrying one or more substituent/s/ selected from the group consisting of halogen, lower alkoxy and lower alkyl;R.sup.1 and R.sup.2 each represent hydrogen or form together a valence bond;R.sup.3 represents lower alkoxy or a phenyl optionally substituted by one or more C.sub.1-12 alkoxy.The fodder additives and fodders according to the invention contain as active ingredient an amount of 1 ppm to 85% by weight of a compound of the general formula I in admixture with inert solid or liquid carriers or diluents and can be used to advantage in animal husbandry.

Abstract: The invention relates to new carbazic acid derivatives, a process for the preparation thereof and compositions--particularly feed additives and animal feeds--containing the same.The new compounds according to the invention correspond to the formula (I)R.sup.1 .dbd.N--NH--COOR.sup.3 (I)whereinR.sup.1 stands for a C.sub.7-12 cycloalkylidene group, an indanylidene group or a group of the formula (IX) ##STR1## wherein A represents a phenyl group optionally carrying one or more identical or different substituents selected from the group consisting of halo nitro, hydroxy, C.sub.1-14 alkoxy, C.sub.1-4 alkyl, amino or C.sub.1-4 alkoxycarbonylhydrazino; phenyl-(C.sub.1-4 alkyl), C.sub.1-16 alkyl, C.sub.3-7 cycloalkyl or indolyl or a C.sub.3 -C.sub.6 cycloalkyl group substituted by a C.sub.3 -C.sub.6 cycloalkyl group;R.sup.2 denotes a hydrogen atom, a C.sub.1-16 alkyl or a C.sub.3-7 cycloalkyl group; andR.sup.3 represents a C.sub.1-4 alkyl group.

Abstract: The invention relates to new 2-hydroxymethyl-quinoxaline-1,4-dioxide derivatives of the general formula (I) ##STR1## wherein A represents an amino group, or a group of the general formula --NH--COOR.sub.1, wherein R.sub.1 stands for a C.sub.2-4 alkyl group, or a group of the general formula --NH--CX--NH.sub.2, whereinX denotes an oxygen or sulfur atom, or a group of the formula --NH--C(NH)--NH.sub.2, or a group of the general formula --NH--R.sub.2, wherein R.sub.2 represents a C.sub.1-6 alkyl, a phenyl, a benzyl, a hydroxyl or a hydroxy-(C.sub.2-4 alkyl) group, or a group of the general formula --NH--CO--R.sub.3, wherein R.sub.3 stands for a C.sub.1-20 alkyl group or a phenyl group optionally substituted by one, two or three identical or different substituent(s) selected from the group consisting of nitro, hydroxyl, amino, C.sub.1-3 alkoxy and halogen; a naphtyl group optionally substituted by a hydroxyl group, a phenyl-(C.sub.