摘要:
Methods for concomitant administration of colchicine together with one or more second active agents, e.g., ketoconazole and ritonavir, are disclosed. Such methods reduce the dangers commonly associated with such concomitant administration and provide additional benefits. Methods of notifying health care practitioners and patients regarding appropriate dosing for concomitant administration of colchicine together with second active agents are also provided.
摘要:
A polyisocyanate production system is provided that can stably produce chlorine from hydrogen chloride produced secondarily while reacting stably between carbonyl chloride and polyamine and can perform an effective treatment of the hydrochloric gas produced secondarily. A hydrochloric gas control unit 32 controls a flow-rate control valve 23 to keep constant an amount of hydrogen chloride supplied from a hydrogen chloride purifying tank 4 to a hydrogen chloride oxidation reactor 6 via a second hydrochloric-gas connection line 11 to be constant, and also controls a pressure control valve 22 based on an inner pressure of the hydrogen chloride purifying tank 4 input from a pressure sensor 25 to discharge the hydrochloric gas from the hydrogen chloride purifying tank 4 to the hydrogen chloride absorbing column 5 via a first hydrochloric-gas connection line 10, so as to keep an inner pressure of the hydrogen chloride purifying tank 4 to be constant.
摘要:
Active compounds of Formula (I) are described: wherein: R1 and R2 are each independently C1-C4 alkyl; or R1 and R2 together form a C2-C7 alkylene chain; and Z is a non-steroidal anti-inflammatory drug (NSAID); along with pharmaceutically acceptable salts and prodrug thereof, and methods of using the same.
摘要:
Novel nitric-oxide releasing lipid molecules are provided which comprise a lipid molecule selected from (a) phosphoglycerides, (b) lipids having a sphingosine base as a backbone, (c) monoacylglyerols, (d) diacylglycerols, (e) glycosylacylglycerols, and (f) sterol compounds of the formula: where R is a branched aliphatic chain of eight or more carbon atoms, wherein the lipid molecule is provided with a nitric-oxide containing group which comprises (a) a —S—N═O moiety, (b) a —O—N═O moiety, or (c) a a moiety. Also provided are methods of forming such nitric oxide releasing lipid molecules. Various pharmaceutical compositions, topical liquids and drug delivery systems comprising the nitric-oxide releasing lipid molecules are also described. Further provided are methods for therapeutically administering nitric oxide to patients, methods of treating or preventing various conditions, methods for promoting wound healing and methods of reducing the cells present in an atherosclerotic lesion, which methods utilize the nitric-oxide releasing lipid molecules.
摘要:
A C-nitroso compound having a molecular weight ranging from about 225 to about 1,000 (from about 225 to about 600 for oral administration) on a monomeric basis wherein a nitroso group is attached to a tertiary carbon, which is obtained by nitrosylation of a carbon acid having a pKa less than about 25, is useful as an NO donor. When the compound is obtained from a carbon acid with a pKa less than about 10, it provides vascular relaxing effect when used at micromolar concentrations and this activity is potentiated by glutathione to be obtained at nanomolar concentrations. When the compound is obtained from a carbon acid with a pKa ranging from about 15 to about 20, vascular relaxing effect is obtained at nanomolar concentrations without glutathione. The compound is preferably water-soluble and preferably contains a carbon alpha to the nitrosylated carbon which is part of a ketone group. In one embodiment, the C-nitroso compound is obtained by nitrosylation of a conventional drug or such drug modified to modify the carbon acid pKa thereof When such drug is a nonsteroidal anti-inflammatory drug, the resulting C-nitroso compound functions as a COX-1 and COX-2 inhibitor without the deleterious effects associated with COX-1 inhibition but with the advantageous effects associated with COX-1 and COX-2 inhibition. One such C-nitroso compound is a nitrosoketoibuprofen. A specific example of this kind of compound is isolated as dimeric 2-[4′-(α-nitroso)isobutyrylphenyl]propionic acid. In another case, the C-nitroso compound contains the moiety where X is S, O or NR. One embodiment is directed to COX-2 inhibitors where a tertiary carbon atom and/or an oxygen atom and/or a sulfur atom is nitrosylated.
摘要:
A C-nitroso compound having a molecular weight ranging from about 225 to about 1,000 (from about 225 to about 600 for oral administration) on a monomeric basis wherein a nitroso group is attached to a tertiary carbon, which is obtained by nitrosylation of a carbon acid having a pKa less than about 25, is useful as an NO donor. In another case, the C-nitroso compound contains the moiety —C—N(O)X— where X is S, O or NR. One embodiment is directed to COX-2 inhibitors where a tertiary carbon atom and/or an oxygen atom and/or a sulfur atom is nitrosylated.
摘要:
The present invention provides a method of producing easily and in a high yield a threo-2-hydroxy-3-nitrobutanoic acid compound or a mixture of a threo- and an erythro-2-hydroxy-3-nitrobutanoic acid compounds, this mixture having an erythro compound:threo compound ratio of about 1:1, which method includes reacting, in a solvent, a 2-hydroxy-3-nitrobutanoic acid compound having the formula (I) 1 wherein R is optionally substituted alkyl or optionally substituted aryl, with not less than 1 equivalent of a base to isomerize (i) the erythro compound into the threo compound, or (ii) the threo compound into the erythro compound, and a method for separating the erythro and the threo compounds easily and in a high yield. The separation method includes reacting the mixture of threo- and erythro-compounds with not more than 1 equivalent of potassium carbonate per threo compound in a solvent. According to the method of the present invention, useful pharmaceuticals can be produced easily in a high yield.
摘要:
The invention provides a process for the preparation of fungicidally active cyclopentene derivatives of the general formula ##STR1## cyclopentane derivatives of the general formula ##STR2## and cyclohexane derivatives of the general formula ##STR3## in which n, R, R.sup.1, R.sup.2, R.sup.5, X and Y are as herein defined. Compounds of formula II and III are also provided which are useful as intermediates in the preparation of certain fungicidally active cyclopentane derivatives.
摘要:
Tris(disubstituted amino)sulfonium perfluorocarbanion salts, process for their preparation and the use thereof as catalysts in group transfer polymerization.
摘要:
Stable neutral-lipophilic complexes of technetium-99m (Tc-99m) useful as diagnostic radionuclidic imaging agents are formed by complexing technetium-99m pertechnetate with alkylene amine oximes (viz. propylene amine oxime) in aqueous solutions under reducing conditions. The complexes have a zero charge, contain an O--H--O ring closure bond, and are sufficiently stable for parental administration in imaging by scintillation scanning. Substituents can be attached to the C.sub.2 to C.sub.4 alkylene carbon backbone of the tetradentate amine oxime ligands to structurally modify them and produce a variety of Tc-99m-radiopharmaceuticals with specific body imaging applications.