Abstract:
Methods and compositions are disclosed utilizing optically pure (+) cetirizine for the treatment of seasonal and perennial allergic rhinitis in humans while avoiding the concomitant liability of adverse effects associated with the racemic mixture of cetirizine. The optically pure (+) isomer is also useful for the treatment of allergic asthma and chronic and physical urticaria. (+) Cetirizine is an inhibitor of eosinophil chemotaxis and is therefore useful in the treatment of other conditions related to eosinophilia such as allergic asthma, seasonal allergic rhinitis, atopic dermatitis, some parasitic diseases, some chronic obstructive lung diseases and certain gastrointestinal and genitourinary disorders.
Abstract:
A process is disclosed in wich optically active glycols are produced through an electrolytic asymmetric dihydroxylation (ADH) reaction involving olefins as substrates. The ADH reaction is mediated by a catalytically active amount of osmium tetroxide or osmium-containing precursor in a protic medium in the presence of chiral ligand. Any lower valent osmium species produced in the course of the ADH reaction is regnerated electrolytically either directly in the absence of a secondary oxidant or indirectly in the presence of a secondary oxidant that itself undergoes electrolytic regeneration.
Abstract:
A method and composition are disclosed utilizing the pure (-) isomer of pirbuterol, which is a potent bronchodilator and a potent cardiovascular stimulant with reduced adverse effects, having a low incidence of the development of tolerance and having increased bronchial distribution when administered by inhalation.
Abstract:
Optically pure S(-) nadolol, which is substantially free of the R(+) enantiomer, is a potent beta-blocker for relieving the symptoms of angina pectoris and hypertension in individuals. A method is disclosed utilizing the optically pure S(-) enantiomer of nadolol for treating cardiovascular disorders while reducing undesirable side effects associated with the administration of the racemic drug.
Abstract:
The present invention concerns the use of microspheres for therapeutic embolization consisting of a hydrophilic acrylic copolymer coated with a cell adhesion promoter.
Abstract:
Novel method for conducting phase transfer catalysis in a multiphase reaction system wherein the different phases are separated by a membrane permeable to the phase transfer catalyst and its various reaction complexes. The invention also relates to membranes and a membrane-containing apparatus useful in carrying out phase transfer catalysis.
Abstract:
Apparatus for catalysis in multiphase reaction systems in which catalysts are confined within various membranes without the use of covalent coupling. Confinement of the catalysts is achieved by a combination of a small-pore skin on one side of the membrane and the use of a solvent in which the catalysts are not appreciably soluble on the other. Methods are also provided for the preparation of such apparatus and for their regeneration by incorporation of fresh catalyst.
Abstract:
A method of preparation of optically pure isomers of hydroxyitraconazole, in particular the two cis dioxolane diastereomers of the sec-butyl (S,R)-isomer, and to phosphate and sulfate derivatives thereof is disclosed. Pharmaceutical compositions containing these compounds and to their use for the treatment of fungal infection are also disclosed.
Abstract:
A method for treating urinary incontinence, such as incontinence resulting from bladder detrusor muscle instability, using enantiomerically enriched (R)-trihexyphenidyl. The method comprises administering a therapeutically effective amount of enantiomerically enriched (R)-trihexyphenidyl, or a pharmaceutically acceptable salt thereof, substantially free of the (S)-trihexyphenidyl enantiomer. Pharmaceutical compositions for the treatment of urinary incontinence comprising enantiomerically enriched (R)-trihexyphenidyl, or a pharmaceutically acceptable salt thereof, and an acceptable carrier are also disclosed.
Abstract:
A method for treating urinary incontinence, such as incontinence resulting from bladder detrusor muscle instability, using enantiomerically enriched (S)-clidinium. The method comprises administering a therapeutically effective amount of enantiomerically enriched (S)-clidinium, or a pharmaceutically acceptable salt thereof, substantially free of the (R)-clidinium enantiomer. Pharmaceutical compositions for the treatment of urinary incontinence comprising enantiomerically enriched (S)-clidinium, or a pharmaceutically acceptable salt thereof, and an acceptable carrier are also disclosed.