Abstract: Compounds of the formula I having the meanings of the substituents indicated in the claims are outstandingly efficacious substances for producing medicaments for the prophylaxis and for the therapy of cardiovascular disorders, in particular arrhythmias, for the treatment of ulcers of the gastrointestinal region or for the treatment of diarrheal disorders.

Abstract: There are described benzoylguanidines of the formula I ##STR1## where R(1) is R(4)--SO.sub.m, R(5)R(6)N--SO.sub.2 --; O.sub.p --(CH.sub.2).sub.q --(CF.sub.2).sub.r --CF.sub.3 ; --SR(10), --OR(10) or --CR(10)R(11)R(12); R(2) is --(CH.sub.2).sub.u --(CF.sub.2).sub.t --CF.sub.3 ; R(3) is hydrogen or independently defined as R(1); and their pharmaceutically tolerable salts. They are obtained by reaction of a compound of the formula II ##STR2## with guanidine. They are compounds of outstanding activity on the cardiovascular system.

Abstract: Ortho-substituted benzoylguanidines, process for their preparation, their use as a medicament or diagnostic, and medicament comprising them.Ortho-substituted benzoylguanidines of the formula I ##STR1## in which R(1) to R(4) have the meanings given in the claims, are suitable, as antiarrhythmic pharmaceuticals having a cardioprotective component, for the prophylaxis and treatment of infarction and for the treatment of angina pectoris. They also inhibit, in a preventive manner, the pathophysiological processes associated with the genesis of ischemically induced damage, in particular associated with the triggering of ischemically induced cardiac arrhythmias.

Abstract: Compounds of formula I ##STR1## in which R(1) to R(8) and X have the meanings indicated in the specification, are useful for the production of medicaments having K.sup.+ channel-blocking action; in particular for the production of a medicament for the treatment or prophylaxis of stimulated gastric acid secretion; of ulcers of the stomach and of the intestinal region; of reflux esophagitis; of diarrhea; of all types of arrhythmias, including ventricular and supraventricular arrhythmias; and of reentry arrhythmias and for the prophylaxis of sudden heart death as a result of ventricular fibrillation.

Abstract: Substituted 2-naphthoylguanidines, process for their preparation, their use as a medicament or diagnostic, and medicament containing themSubstituted 2-naphthoylguanidines of the formula I ##STR1## having the meanings indicated in claim 1 for R1 to R8, are suitable as antiarrhythmic pharmaceuticals having a cardioprotective component for infarct prophylaxis and infarct treatment and for the treatment of angina pectoris. They also preventively inhibit the pathophysiological processes in the formation of ischemically induced damage, in particular in the production of ischemically induced cardiac arrhythmias.

Abstract: Benzoylguanidines of formula I ##STR1## with R(1) to R(4) as defined in the specification, are suitable as antiarrhythmic pharmaceuticals having a cardioprotective component for infarct prophylaxis and infarct treatment as well as for the treatment of angina pectoris.They inhibit, in a preventive manner, the pathophysiological processes in the formation of ischemically induced damage, in particular in the elicitation of ischemically induced cardiac arrhythmias.

Abstract: Chromans of formula I ##STR1## with the meanings of R(A), R(B) and R(1) to R(8) stated in the specification are suitable for producing a medicament for blocking the K.sup.+ channel that is opened by cyclic adenosine monophosphate (cAMP); also for producing medicaments for inhibiting gastric acid secretion; for the treatment of ulcers of the stomach and the intestinal region, in particular the duodenum, for the treatment of reflux esophagitis, for the treatment of diarrheal disorders, for the treatment and prevention of all types of arrhythmias, including atrial, ventricular and supraventricular arrhythmias, for controlling reentry arrhythmias and for preventing sudden heart death as a result of ventricular fibrillation.

Abstract: There are described compounds of the formula I ##STR1## in which the substituents R(1) to R(7) and X have the meanings shown in the claims, and their pharmaceutically tolerable salts. These are effective inhibitors of the cellular sodium proton antiporter (Na.sup.+ /H.sup.+ exchanger). They are therefore outstandingly suitable for the treatment of all diseases which can be attributed to increased Na.sup.+ /H.sup.+ exchange.

Abstract: Compounds of the formula I ##STR1## having the meanings of the substituents indicated in the claims are outstandingly active substances for the production of medicaments for the prophylaxis and for the therapy of cardiovascular disorders, in particular arrhythmias, for the treatment of ulcers of the gastro-intestinal region or for the treatment of diarrheal illnesses.

Abstract: Ortho-substituted benzoylguanidines of the formula I ##STR1## in which R(1) to R(5) have the meanings given in the claims, are suitable as antiarrhythmic pharmaceuticals having a cardioprotective component for infarct prophylaxis and for infarct treatment and also for the treatment of angina pectoris. They also inhibit in a preventive manner the pathophysiological processes in the formation of ischemically induced damage, in particular in the illicitation of ischemically induced cardiac arrhythmias.

Abstract: Sulfonamide-substituted benzopyran derivatives, processes for their preparation, their use as a medicament, and pharmaceutical preparations comprising them Compounds of the formula I ##STR1## having the meanings of the substituents indicated in the claims are outstandingly active substances for the production of medicaments for the prophylaxis and for the therapy of cardiovascular disorders, in particular arrhythmias, for the treatment of ulcers of the gastrointestinal region or for the treatment of diarrheal diseases.

Abstract: Compounds of the formula ##STR1## where T is ##STR2## and R(A), R(B), R(C), R(D), R(E), R(F), x and y have the meanings indicated in the claims, and their pharmaceutically acceptable salts are effective inhibitors of the cellular sodium-proton antiporter (Na.sup.+ /H.sup.+ exchanger). These compounds are therefore outstandingly suitable for treatment of all illnesses which are to be attributed to increased Na.sup.+ /H.sup.+ exchange.

Abstract: Benzoylguanidines of the formula I ##STR1## in which: R(1) to R(4) have the meanings given in the claims, are antiarrhythmic pharmaceuticals, having a cardioprotective component, which are also valuable for the prevention of ischemically induced damage, in particular in association with the triggering of ischemically induced cardiac arrhythmias. As a consequence of inhibiting the cellular Na.sup.+ /H.sup.+ exchange mechanism, they are used for treating acute or chronic damage triggered by ischemia. In addition to this, they are notable for their strong inhibitory effect on the proliferation of cells. They are suitable for preventing the genesis of high blood pressure.

Abstract: Compounds of the formula I ##STR1## having the meanings of the substituents indicated in the claims are outstandingly efficacious substances for producing medicaments for the prophylaxis and for the therapy of cardiovascular disorders, in particular arrhythmias, for the treatment of ulcers of the gastrointestinal region or for the treatment of diarrheal disorders.

Abstract: Compounds of the formula I ##STR1## are described in which at least one of the substituents R(1), R(2), R(3), R(4) and R(5) is a nitrogen-containing heterocyclic radical. They are outstanding cardiovascular therapeutic agents. They are obtained by reaction of a compound II ##STR2## with guanidine.

Abstract: Benzoylguanidines of the formula I ##STR1## in which R(1) to R(6) have the meanings stated in the claims, are antiarrhythmic pharmaceuticals which have excellent activity and a cardioprotective component and are highly suitable for the prophylaxis of infarcts and the treatment of infarcts, and for the treatment of angina pectoris, in which case they also preventively inhibit or greatly reduce the pathophysiological processes in the development of ischemia-induced damage, especially in the triggering of ischemia-induced cardiac arrhythmias.

Abstract: Ortho-substituted benzoylguanidines, process for their preparation, their use as a medicament or diagnostic, and medicament containing themOrtho-substituted benzoylguanidines of the formula I ##STR1## in which R(2) and R(3) have the meanings given in the claims, are suitable, as antiarrhythmic pharmaceuticals having a cardioprotective component, for the prophylaxis and treatment of infarction and for the treatment of angina pectoris. They also inhibit, in a preventive manner, the pathophysiological processes associated with the development of ischemically induced damage, in particular in association with the triggering of ischemically induced cardiac arrhythmias.

Abstract: Compounds of formula I ##STR1## having the meanings indicated in the claims are outstandingly active substances for the production of medicaments for the prophylaxis and therapy of cardiovascular disorders, in particular arrhythmias; for the treatment of ulcers of the gastrointestinal region; or for the treatment of diarrheal illnesses.

Abstract: Substituted thiophenylalkenylcarboxylic acid guanidides, processes for their preparation, their use as a medicament or diagnostic, and a medicament containing them.There are described substituted thiophenylalkenylcarboxylic acid guanidides of the formula I ##STR1## in which R(1) to R(5) have the meanings given in the claims, which are outstandingly active antiarrhythmic pharmaceuticals having a cardioprotective component and are outstandingly suitable for infarct prophylaxis and infarct treatment and also for the treatment of angina pectoris, where they also inhibit or greatly reduce the pathophysiological processes in the formation of ischemically induced damage, in particular in the initiation of ischemically induced cardiac arrhythmias, in a preventive manner.

Abstract: Substituted benzyloxycarbonylguanidines, a process for their preparation, their use as a medicament or diagnostic, and a medicament containing them. There are described compounds of the formula I ##STR1## in which the substituents R(1) to R(7) and X have the meanings shown in the claims, and their pharmaceutically tolerable salts. These are effective inhibitors of the cellular sodium proton antiporter (Na.sup.+ /H.sup.+ exchanger). They are therefore outstandingly suitable for the treatment of all diseases which can be attributed to increased Na.sup.+ /H.sup.+ exchange.