Abstract: Compounds of the formula I, ##STR1## and also their tautomeric forms of the formula Ia, ##STR2## in which the substituents R.sup.1 to R.sup.6 and X have said meanings, exhibit antiviral activity.

Abstract: Disclosed are quinoxalinone compounds of the formula I or Ia ##STR1## and physiologically tolerated salts and prodrugs thereof, in which n=zero, one or two;R.sup.1 =fluorine, chlorine, hydroxyl or C.sub.1 -C.sub.3 -alkoxy; R.sup.2 =C.sub.1 -C.sub.4 -alkyl which is unsubstituted or is substituted by hydroxyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkylthio; R.sup.3 =C.sub.1 -C.sub.6 -alkyloxycarbonyl or C.sub.2 -C.sub.6 -alkenyloxycarbonyl, and X=oxygen, sulfur or selenium, a process for their preparation and pharmaceutical compositions containing the compounds.

Abstract: A process for preparing a compound I ##STR1## with A=t-butyl, aryl andR=alkyl, alkenyl, alkynyl, alkenynyl, cycloalkyl(alkyl), aryl, arylalkyl, alkyl-S-(-O)-arylby reacting a compound III ##STR2## with a compound IV ##STR3## under the conditions of a phase-transfer reaction, is described. The process gives excellent yields and is not associated with the unpleasant odor of mercaptans.

Abstract: New phenylsulfonyloxybenzimidazolecarbamates of the formula ##STR1## are described, as are processes for their preparation. The new compounds have anthelmintic activity, including, in particular, against liver flukes.

Abstract: New benzenesulfonic esters of the formula I ##STR1## and a process for their preparation are described. The new compounds are active against helminths and can thus be used as agents to counter worms in humans and animals.

Abstract: New monocarboxylates of phenylguanidinesulfonic acid esters and a process for their manufacture are described. They are effective as medicaments against helminths and liver flukes when administered orally or parenterally.

Abstract: 2-Carbalkoxyamino-benzimidazolyl-5(6)-sulfonic acid phenyl esters are disclosed as well as a process for their manufacture. The new compounds have valuable chemotherapeutic properties and are suitable for combating diseases caused by parasites in humans and animals, such as helminths and liver flukes.

Abstract: Substituted phenylguanidines are disclosed as well as a process for their manufacture. The said compounds are active against helminths and liver flukes.

Abstract: 3-Carbalkoxyamino-1H-2,1,4-benzothiadiazine derivatives are disclosed as well as a process for their manufacture. The compounds are suitable for combatting helminths and especially gastrointestinal Strongylides and liver flukes.

Abstract: Anthelmintically active basically substituted 2-carbalkoxy-amino-benzimidazolyl-5(6)-phenyl ethers and -ketones are disclosed as well as a process for preparing them. The compounds are chemotherapeutics having a particular activity against ankylostomes, other helminths as well as liver fluke.

Abstract: The present invention relates to triazinobenzimidazoles and to a process for their preparation.The compounds are chemotherapeutics and are suitable for combating parasitary diseases in humans and animals; they are especially active against nematodes.

Abstract: 2-Carbalkoxyamino-5(6)-phenyl sulfonyloxy benzimidazoles are disclosed as well as a process for their manufacture. The new compounds are valuable chemotherapeutic agents and are suitable for combating diseases caused by parasites in humans and animals, such as helminths and liver flukes.

Abstract: 2-Carbalkoxyamino-benzimidazolyl-5(6)-sulfonic acid phenyl esters are disclosed as well as a process for their manufacture. The new compounds have valuable chemotherapeutic properties and are suitable for combating diseases caused by parasites in humans and animals, such as helminths and liver flukes.

Abstract: 2-Carbalkoxy-amino-benzimidazole-5(6)-phenyl ethers of the formula (I) ##SPC1##in which R.sub.1 represents alkyl of 1 to 4 carbon atoms, R.sub.2 and R.sub.3 represent, independently of each other, hydrogen, hydroxyl, alkoxy of 1 to 4 carbon atoms, halogen, trifluoromethyl, alkyl of 1 to 4 carbon atoms or carbalkoxy of 1 to 4 carbon atoms in the alkoxy group, R.sub.4 represents hydrogen or chlorine and X represents oxygen or sulfur as anthelmintically active compounds in pharmaceutical preparations and a method for using the same.

Abstract: Substituted 2-alkoxycarbonylamine-5(6)-phenylmercapto-benzimidazoles are described as well as a process for their manufacture. The compounds are chemotherapeutics being especially suitable for the control of parasites of humans and animals, for example for controlling nematodes.

Abstract: 2-Carbalkoxy-amino-benzimidazole-5(6)-phenyl ethers of the formula (I) ##SPC1##in which R.sub.1 represents alkyl of 1 to 4 carbon atoms, R.sub.2 and R.sub.3 represent, independently of each other, hydrogen, hydroxyl, alkoxy of 1 to 4 carbon atoms, halogen, trifluoromethyl, alkyl of 1 to 4 carbon atoms or carbalkoxy of 1 to 4 carbon atoms in the alkoxy group, R.sub.4 represents hydrogen or chlorine and X represents oxygen or sulfur, useful as anthelmintics.

Abstract: A four-cycle internal combustion engine with external ignition, which is equipped with an intake or suction manifold and with a separate forced air supply to the exhaust channels; to that end an air supply channel is cast-in adjacent one of the exhaust channels provided in a cast cylinder head, whereby the air supply channel is in communication with a slot extending along one suction pipe side in the longitudinal direction of the engine block; the slot is covered off on its open side by a flange of the intake or suction manifold and is operatively connected with the individual exhaust channels by way of cross bores provided in the cylinder head.