Abstract: A process for inactivating the biological activity of DNA, especially recombinant DNA, is disclosed. The process includes the step of heating the DNA at 60.degree. to 100.degree. C. in the presence of an acid other than percarboxylic acid at a concentration of at least 0.2 mM and a pH value of maximum 4, preferably 3.

Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is phenylalkylamino, alkylamino, dialkylamino, piperidino, morpholino, thiomorpholino or 1-oxido-thiomorpholino;R.sub.2 is dialkylamino, piperidino, morpholino, thiomorpholino or 1-oxido-thiomorpholino; andR.sub.3 is halogen, alkoxy, alkylthio, phenylalkoxy or phenylalkylthio;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as antithrombotics and antimetastatics.

Abstract: Compounds of the formula ##STR1## wherein n is 0 or 1;A is methylene, vinylene or ethylene optionally substituted by lower alkyl;B is alkylene;R.sub.1 is an optionally substituted alkyl, phenyl or naphthyl group, or a cycloalkyl or pyridyl group; andR.sub.2 is hydrogen or acyl;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as antithrombotics.

Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, methyl, methoxy, fluorine or chlorine; andR.sub.2 is hydrogen, methyl, ethyl or n-propyl;and non-toxic, pharmacologically acceptable salts thereof formed with an inorganic or organic base. The compounds as well as the salts are useful as antithrombotics.

Abstract: Compounds of the formula ##STR1## wherein A is --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH--, --NH--CO--, --CH.sub.2 --CO-- or ##STR2## where R.sub.7 is alkyl of 1 to 3 carbon atoms, andB is methylene, carbonyl or thiocarbonyl, orA is --CO--CO--, --N.dbd.CH--, ##STR3## where R.sub.8 is hydrogen or alkyl of 1 to 3 carbon atoms substituted by a phenyl, methoxyphenyl or dimethoxyphenyl, andB is methylene;E is n-alkylene of 2 to 4 carbon atoms optionally substituted by an alkyl of 1 to 3 carbon atoms, 2-hydroxy-n-propylene, 2-hydroxy-n-butylene or 3-hydroxy-n-butylene;G is n-alkylene of 1 to 5 carbon atoms optionally substituted by an alkyl of 1 to 3 carbon atoms, wherein one methylene group of an n-alkylene of 2 to 5 carbon atoms can be replaced by a carbonyl group, with the proviso that B represents a methylene or carbonyl group, or methylene-n-hydroxy-alkylene of 1 to 4 carbon atoms, where the methylene group is attached to the nitrogen atom; andR.sub.1 to R.sub.

Abstract: Compounds of the formula ##STR1## wherein A and B, which may be the same or different, each represent methylene, (alkyl of 1 to 3 carbon atoms)-methylene, ethylene or (alkyl of 1 to 3 carbon atoms)-ethylene;R.sub.1 is hydrogen, alkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 7 carbon atoms, alkenyl of 3 to 6 carbon atoms, phenyl-(alkyl of 1 to 3 carbon atoms), halophenyl-(alkyl of 1 to 3 carbon atoms), alkanoyl of 1 to 3 carbon atoms, phenyl-(alkanoyl of 1 to 3 carbon atoms), halophenyl-(alkanoyl of 1 to 3 carbon atoms), alkoxycarbonyl of 2 to 4 carbon atoms, aralkoxycarbonyl of 8 to 10 carbon atoms or phenyl;one of R.sub.2 and R.sub.3 is amino and the other is hydrogen, chlorine, bromine, alkyl of 1 to 3 carbon atoms, alkoxy of 1 to 3 carbon atoms, alkoxycarbonyl of 2 to 4 carbon atoms, phenyl or halophenyl;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as bradycardiacs.

Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is optionally substituted alkyl;R.sub.2 is hydrogen or optionally substituted alkyl; orR.sub.1 and R.sub.2, together with each other and the nitrogen atom to which they are attached, form an optionally substituted cyclic imino group;R.sub.3 is an optionally substituted cyclic imino group; andR.sub.4 is substituted hydroxyl, mercapto or amino;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as antithrombotics.

Abstract: Compounds of the formula ##STR1## wherein n is 0 or 1;A is methylene, vinylene or ethylene optionally substituted by lower alkyl;B is alkylene;R.sub.1 is an optionally substituted alkyl, phenyl or naphthyl group, or a cycloalkyl or pyridyl group; andR.sub.2 is hydrogen or acyl;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as antithrombotics.

Abstract: Compounds of the formula ##STR1## wherein X is oxygen or sulfur;R.sub.1 is hydrogen, methyl or ethyl; andR.sub.2 is methyl or ethyl;and non-toxic, physiologically acceptable salts thereof formed with an inorganic or organic base. The compounds as well as their salts are useful as sweetening agents.

Abstract: Pharmaceutical compositions containing, as an active ingredient, a compound of the formula ##STR1## wherein R.sub.1 is alkoxy of 1 to 4 carbon atoms, and R.sub.2 is (alkyl of 1 to 4 carbon atoms) sulfinyl, or a non-toxic, pharmacologically acceptable acid addition salt thereof; and a method of using the same for the treatment of coronary heart diseases or coronary spasms.

Abstract: Compounds of the formula ##STR1## wherein n and m are each 1, 2 or 3, and the sum of n+m is 4;R.sub.1 is alkyl; alkenyl; unsubstituted, mono- or di-substituted aralkyl; unsubstituted, mono- or di-substituted benzoyl; alkoxycarbonyl; aralkoxycarbonyl; or, when m and n are each 2 and/or R.sub.2 and R.sub.3 are other than both hydrogen at the same time, also hydrogen;one of R.sub.2 and R.sub.3 is hydrogen or amino, and the other is carboxyl or alkoxycarbonyl; or, when R.sub.3 is hydrogen,R.sub.2 is hydrogen; amino; alkoxycarbonyl-amino; (unsubstituted or mono-substituted phenyl)-aminocarbonyl-; (unsubstituted or mono-substituted phenyl)ethylaminocarbonyl; azidocarbonyl; or hydrazinocarbonyl;X is oxygen, sulfur or ##STR2## where R.sub.4 is hydrogen; alkyl; phenyl-alkyl; or phenyl; non-toxic, pharmacologically acceptable acid addition salts thereof; and, when R.sub.2 or R.sub.3 is carboxyl, non-toxic, pharmacologically acceptable salts thereof formed with inorganic or organic bases.

Abstract: Compounds of the formula ##STR1## wherein R is 1-methyl-4-piperididinyl, 4-methyl-1-piperazinyl, or 3 - or 3 -tropanyl, each of which may optionally have another methyl substituent attached to the heterocyclic ring;R.sub.1 is hydrogen or alkyl of 1 to 4 carbon atoms;R.sub.2 is hydrogen, halogen or alkyl of 1 to 4 carbon atoms; andX is oxygen, --NH-- or --N(CH.sub.3)--;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as anti-ulcerogenics.

Abstract: Compounds of the formula ##STR1## wherein A and B, which may be the same or different, each represent methylene, (alkyl of 1 to 3 carbon atoms)-methylene, ethylene or (alkyl of 1 to 3 carbon atoms)-ethylene;R.sub.1 is hydrogen, alkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 7 carbon atoms, alkenyl of 3 to 6 carbon atoms, phenyl-(alkyl of 1 to 3 carbon atoms), halophenyl-(alkyl of 1 to 3 carbon atoms), alkanoyl of 1 to 3 carbon atoms, phenyl-(alkanoyl of 1 to 3 carbon atoms), halophenyl-(alkanoyl of 1 to 3 carbon atoms), alkoxycarbonyl of 2 to 4 carbon atoms, aralkoxycarbonyl of 8 to 10 carbon atoms or phenyl;one of R.sub.2 and R.sub.3 is amino and the other is hydrogen, chlorine, bromine, alkyl of 1 to 3 carbon atoms, alkoxy of 1 to 3 carbon atoms, alkoxycarbonyl of 2 to 4 carbon atoms, phenyl or halophenyl;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as bradycardiacs.

Abstract: Compounds of the formula ##STR1## wherein A is phenyl, 4-hydroxy-phenyl, 2-thienyl, 3-thienyl or 3,4-dihydroxy-phenyl;Het is 4H-5,6-dioxo-1,2,4-triazin-3-yl, 4-methyl-5,6-dioxo-1,2,4-triazin-3-yl, 1-vinyl-tetrazol-5-yl, 1-allyl-tetrazol-5-yl or ##STR2## where n is an integer from 1 to 3, inclusive,R.sub.1 is hydroxyl, amino, dimethylamino, acetylamino, aminocarbonyl, aminocarbonylamino, aminosulfonyl, aminosulfonylamino, methylcarbonyl, methylsulfonylamino, cyano, hydroxysulfonylamino, methylsulfonyl, methylsulfinyl, a carboxylic acid group or a sulfonic acid group, or --(CH.sub.2).sub.n --R.sub.1 may also be alkyl of 2 to 4 carbon atoms or 2,3-dihydroxy-propyl;R.sub.

Abstract: The method of treating glaucoma with compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, alkyl of 1 to 4 carbon atoms, hydroxy-(alkyl of 1 to 4 carbon atoms), benzyl, halo-benzyl, methyl-benzyl, methoxy-benzyl or allyl;X is oxygen or sulfur; andn is 2 or, when X is sulfur, also 1;or non-toxic, pharmacologically acceptable acid addition salts thereof, and pharmaceutical compositions for use in said treatment.

Abstract: Compounds of the formula ##STR1## wherein A is phenyl, 4-hydroxy-phenyl, 2-thienyl or 3,4-dihydroxy-phenyl; andR is ##STR2## where R.sub.1 and R.sub.2, which may be identical to or different from each other, are each methylmercapto or amino;Z' is oxygen, sulfur or .dbd.NR.sub.3 ;R.sub.3 is hydrogen, alkyl of 1 to 3 carbon atoms or hydroxy-(alkyl of 1 to 3 carbon atoms);R.sub.4 is hydrogen, hydroxyl, hydroxymethyl or methyl;n is 2, 3 or 4;Y is --SO.sub.2 NH--, --SO-- or --SO.sub.2 --;Z is straight or branched alkylene of 1 to 3 carbon atoms;X is hydroxyl, aminocarbonyl, aminosulfonyl, formylamino, acetylamino, amino, methylsulfinyl, methylsulfonyl or ##STR3## or --Y--Z--X is ##STR4## and non-toxic, pharmacologically acceptable salts thereof formed with inorganic or organic bases. The compounds as well as the salts are useful as antibiotics.

Abstract: Compounds of the formula ##STR1## wherein A and B, together with each other and the respective carbon atoms to which they are attached, form a phenyl or pyridine ring;R.sub.1 is hydrogen, halogen, amino, nitro, alkyl of 1 to 3 carbon atoms or alkoxy of 1 to 3 carbon atoms;R.sub.2 is hydrogen or alkoxy of 1 to 3 carbon atoms;D is alkylene of 3 to 4 carbon atoms or hydroxy(alkylene of 3 to 4 carbon atoms);R.sub.3 and R.sub.5, which may be identical to or different from each other, are each hydrogen or alkyl of 1 to 3 carbon atoms;R.sub.4 is hydrogen or alkoxy of 1 to 3 carbon atoms; andR.sub.6 is straight or branched alkyl of 1 to 6 carbon atoms or --E--R.sub.7 ;where E is straight alkylene of 2 to 4 carbon atoms or hydroxy-substituted straight alkylene of 2 to 4 carbon atoms, andR.sub.7 is ##STR2## where R.sub.8 and R.sub.

Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, methyl or ethyl;R.sub.2 is hydrogen or chlorine;R.sub.3 is hydrogen or chlorine; andR.sub.4 is pyrrolidino, piperidino, 2-methyl-piperidino, 2-ethyl-piperidino, 2,6-dimethyl-piperidino or morpholino;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as gastric secretion inhibitors and anti-ulcerogenics.

Abstract: The tridecapeptide of the formulaH-Met-Ser-Tyr-Asn-Leu-Leu-Gly-Phe-Leu-Gln-Arg-Ser-Ser-OHand the use thereof as a hapten, tracer or antibody.

Abstract: Compounds of the formula ##STR1## wherein Y is hydrogen or methoxy;A is ##STR2## or, when Y is methoxy, also phenyl, 4-hydroxy-phenyl, 2-thienyl, 3-thienyl of 3,4-dihydroxy-phenyl;A' is hydrogen, --COCH.sub.2 Cl, --COCH.sub.2 Br, --COOCH.sub.2 CCL.sub.3, formyl or trityl;D is hydrogen, acetoxy, aminocarbonyloxy, pyridinium, 4-aminocarbonyl-pyridinium or -S-Het, where Het is 3-methyl-1,2,4-thiadiazol-5-yl, 1,2,4-thiadiazol-5-yl, 1,3,4-thiadiazol-5-yl, 2-methyl-1,3,4-thiadiazol-5-yl, 4H-5,6-dioxo-1,2,4-triazine-3-yl, 4-methyl-5,6-dioxo-1,2,4-triazin-3-yl, 1-vinyl-tetrazol-5-yl, 1-allyl-tetrazol-5-yl or ##STR3## n is 1, 2 or 3; R.sub.1 is hydroxyl, amino, dimethylamino, acetylamino, aminocarbonyl, aminocarbonylamino, aminosulfonyl, aminosulfonylamino, methylcarbonyl, methylsulfonylamino, cyano, hydroxysulfonylamino, methylsulfonyl, methylsulfinyl, a carboxylic acid group or a sulfonic acid group; or--(CH.sub.2).sub.n R.sub.1 is alkyl of 1 to 4 carbon atoms or 2,3-dihydroxy-propyl;R.sub.