Abstract: A method for therapeutic or prophylactic control of Acquired Immunodeficiency Syndrome (AIDS) in which an effective dose of phosphonoformic acid or a therapeutically-acceptable salt thereof is administered to a patent.

Abstract: The present invention relates to a method of inhibiting the activity of the HIV virus in a human comprising administering to the human an effective dose of phosphonoformic acid or a therapeutically effective salt thereof.

Abstract: Stereoconservative method for preparation of an (R)- or (S)-isomer of the compound of the formula I with at least 95% optical purity ##STR1## wherein R.sup.1 is a hydrogen atom, a saturated or unsaturated lower alkyl group, a cycloalkyl group, or a group (CH.sub.2).sub.m Ph wherein m is 0-3 and Ph is a substituted or unsubstituted phenyl group including1) O,N-dialkylation, directly or stepwise of (R)- or (S)-proline2) aminolysis3) reduction to formation of the (R)- or (S)-isomer of the compound of the formula I, and new intermediates II and III in optical active form obtained by the reaction steps above and wherein R.sup.2 is defined as R.sup.1 above.

Abstract: A dosage form for oral administration of a pharmaceutically active substance characterized in that it includes a encapsulated or embedded pharmaceutically active substance in a pharmaceutically acceptable non-aqueous liquid.

Abstract: A pharmaceutical mixture with controlled release of actice substance which includes masking of bad taste and stability increasing of active substance characterized in that an encapsulated active substance is combined with a substance controlling the release of active substance from the encapsulation and method for preparing said mixture.

Abstract: An antibacterial synergistic composition consisting essentially of a mixture of a penicillin or cephalosporin derivative of the formula ##STR1## and a penicillin of the formula ##STR2## preferably in association with a pharmaceutical carrier.

Abstract: An antibacterial synergistic composition consisting essentially of a mixture of a penicillin or cephalosporin derivative of the formula ##STR1## and a penicillin of the formula ##STR2## preferably in association with a pharmaceutical carrier.

Abstract: Process for the preparation of 1'-ethoxy carbonyloxy ethyl esters of penicillins, wherein a compound of the formula ##STR1## in which A is phenyl, phenoxy or 4-hydroxyphenyl, B is hydrogen, an amino group or a protected amino group and Z is hydrogen or a cation selected from the group of alkali metal, tri (lower alkyl ) ammonium and tetra (lower alkyl) ammonium, is reacted with 1-bromoethyl ethyl carbonate in an organic solvent and when B is a protected amino group the protecting group is split off to yield a primary amino group.There are also provided novel compounds of the formula ##STR2## in which Ph is phenyl and R is CH.sub.3 -- or C.sub.2 H.sub.5 --.

Abstract: Optically pure S-(-)-1-propyl-2',6'-pipecoloxylidide hydrochloride monohydrate, with the structural formula ##STR1## a process for the preparation thereof and the use for inducing local anesthesia.

Abstract: The novel compound .alpha.-bromodiethylcarbonate, novel methods for the preparation thereof, its use in the preparation of 1-ethoxycarbonyloxyethyl esters of penicillins and cephalosporins, and improvements in the method for preparing such esters.

Abstract: Antivirally active compounds of the formula ##STR1## wherein A is ##STR2## wherein m is 1 or 2,n is 1 or 2, whereby m is 1 when n is 2 and m is 2 when n is 1,R.sub.a ' is (CH.sub.2).sub.p OH, NHCONH.sub.2 or COR.sub.a ",R.sub.a " is hydrogen, hydroxy or amino,p is 1 to 4,R.sub.b ' and R.sub.b " are independently selected from hydrogen or (CH.sub.2).sub.p OH,with the proviso that at least one of R.sub.b ' or R.sub.b " is hydrogen; orR.sub.b ' and R.sub.b " together constitute an additional carbon-carbon bond to form an alkyne; or a physiologically acceptable salt, geometric or optical isomer thereof; pharmaceutical preparations containing the compounds and methods for treatment of virus infections.

Abstract: Novel therapeutically active compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and each represents a hydrogen atom, a halogen atom, a cyano group, a lower alkyl group or an acyl group, R.sup.3 is a lower alkyl group; an alkenyl group; or a benzyl group optionally substituted with fluorine, chlorine, bromine, trifluoromethyl, lower alkyl or lower alkoxy, A.sup.1 and A.sup.2 are the same or different and each represents a hydrogen atom, a lower alkyl group, an acyl group, an alkoxycarbonyl group or a dialkylcarbamyl group, provided that when A.sup.1 and A.sup.2 are the same lower alkyl group and R.sup.3 is ethyl, R.sup.1 or R.sup.2 or both are selected among cyano, lower alkyl and acyl; or a physiologically acceptable salt or optical isomers thereof, methods for their preparation, pharmaceutical preparations containing the compounds and methods for their therapeutical use.

Abstract: A method for the selective treatment of virus infections in animals and man comprising administering to a host so infected a therapeutically effective amount of phosphonoformic acid or a physiologically acceptable salt thereof.

Abstract: A method for the selective treatment of virus infections in animals and man and a method of treating cancer caused by viruses, comprising administering to a host so infected a therapeutically effective amount of phosphonoformic acid or a physiologically acceptable salt thereof.

Abstract: The present invention is concerned with masking bad taste in pharmaceutical preparations containing encapsulated drugs with bad taste. The object of the invention is achieved by including a basic substance in the preparation.

Abstract: The novel compound .alpha.-bromodiethylcarbonate, its use in the preparation of 1-ethoxycarbonyloxyethyl esters of penicillins and cephalosporins, in particular bacampicillin, and improvements in the method for preparing such esters.

Abstract: Compounds of the formula ##STR1## wherein C.sup.1 and N.sup.4 are in trans configuration to each other, wherein R and Y are defined herein below, as bases and pharmaceutically acceptable acid addition salts thereof, processes for their preparation and pharmaceutical preparations and methods of treatment employing such compounds. The compounds are useful for treatment of disorders in the central nervous system.

Abstract: The novel compound .alpha.-bromodiethylcarbonate, novel methods for the preparation thereof, its use in the preparation of 1-ethoxycarbonyloxyethyl esters of penicillins and cephalosporins, and improvements in the method for preparing such esters.