Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 601 - 650 out of 4,198

Document Document Title
WO/1992/019748A1
In addition to virions, herpesvirus-infected cells produce non-infectious particles, termed L-particles, which consist of tegument surrounded by envelope but lack the nucleocapsid. L-particles of a herpesvirus can be prepared substantial...  
WO/1992/018444A2
The individual enantiomers of the compounds (Ia), (Ib), (IIa) or (IIb), optionally substituted by non-interfering substituent(s). The novel enantiomers can be obtained by biotransformation. The (Ia) or (IIa) compounds can be used for the...  
WO/1992/016197A1
Optically pure (S) metoprolol, which is substantially free of the (R) enantiomer, is a potent beta-blocker for treating myocardial infarction and for relieving the symptoms of angina pectoris, cardiac arrhythmia and hypertension in indiv...  
WO/1992/016534A1
Described is a process for recovering phytic acid or phytic acid salt from a medium in which it is contained. This process includes contacting the medium with a solid-phase free base polymer having tertiary amine functions to adsorb the ...  
WO/1992/005130A1
Novel 1alpha-hydroxy vitamin D4 and novel analogues, 1,25 dihydroxy vitamin D4 and 1,24 dihydroxy vitamin D4 which are useful as active compounds of pharmaceutical compositions for the treatment of disorders of calcium metabolism. Prepar...  
WO/1992/004309A1
15,16-Seco-19-nor progestins are provided which display elevated progestational activity with a minimum of ancillary hormonal activity. Processes for the preparation of the novel progestins are provided as are methods of use. A preferred...  
WO1991016322A3  
WO/1992/000079A1
The present invention relates to the use of inositoltrisphosphate (IP3) for the preparing of a medicament effective as a neuropeptide Y- (NPY-) antagonist and to a pharmaceutical composition comprising at least one specific isomer of IP3...  
WO/1991/016322A2
Osmium-catalyzed methods of addition to an olefin are discussed. In the method of asymmetric dihydroxylation of the present invention, an olefin, a chiral ligand, an organic solvent, water, an oxidant and an osmium-containing compound ar...  
WO/1991/016290A1
Methods are disclosed for the synthesis of cyclitols from substituted arene diols which are produced by the microbial oxidation of substituted benzenes. The disclosed methods allow control of relative stereospecificity upon addition of e...  
WO/1991/015447A1
This invention relates to a new process for preparing certain optically active purine substituted cyclopentene derivatives including the antiviral agent, carbovir, and novel intermediates used in this process. In particular, this inventi...  
WO/1991/007501A1
Process for the pancreatic lipase mediated transesterification method for the optical resolution of endo-norborneol; derived optically active 5-(3-(exo-bicyclo[2.2.1]hept-2-yloxy)-4-methoxyphenyl)-3,4,5 ,6-tetrahydropyrimidin-2(1H)-ones;...  
WO/1991/000143A1
The invention relates to oxidic heterogeneous catalysts based on nitrogen-containing polymers to which oxidic osmium is bonded in an oxidation number lower than the octavalent number, their use in converting olefinic bonds into vicinal d...  
WO/1990/011994A1
A clathrate compound composed of a host crystal comprising a specified crystal of a salt of a ring-substituted salicylic acid with a polyvalent metal or its hydrate and a guest molecule comprising an organic compound having 1 to 12 carbo...  
WO/1990/008539A1
The present invention relates to a method for inhibiting the phosphatidylinositol cycle in a cell by contacting the cell with certain myo-inositol analogs. Such myo-inositol analogs can also be utilized to treat phosphatidylinositol cycl...  
WO/1990/005126A1
Saturated hydrocarbon chains are oxidised using a titanium containing silicalite catalyst having an infrared absorption band around 950 cm-1 preferably in solutions, the chains may be alkanes or alkyl groups of alkyl cyclic compounds.  
WO/1990/004921A1
Novel pesticidal compositions, which are characterized by biodegradability and do not bioaccumulate to an unacceptable level in fats and tissues of animals, fowl and fish, containing active compounds and optionally a carrier suitable for...  
WO/1989/008450A1
Azadecalins and decalins with protective substitutions intended to confer increased resistance to 7alpha-hydroxylase while retaining squalene oxide cyclase inhibitory activity are useful as inhibitors of cholesterol synthesis and hence m...  
WO/1989/008096A1
The invention relates to compounds having the formula (I) wherein the radical A is represented by the formula (II) wherein D is hydrogen, halogen, alkoxyl, G is oxygen or sulphur, J is alkyl, aryl or a heterocycle optionally substituted,...  
WO/1989/006225A1
An osmium-catalyzed method of addition to an olefin. In the method of asymmetric dihydroxylation of the present invention, an olefin, a chiral ligand, an organic solvent, water, an amine oxide, an osmium-containing compound and, optional...  
WO/1989/004819A1
Derivatives of trifluoromethyl-1-tetralines having the general formula (I), wherein X is a hydrogen atom, a halogen, a hydroxy group, an alkoxy group from C1 to C8 or an optionally substituted aromatic ring; R1 is a hydrogen atom or an h...  
WO/1989/000559A1
9-Halogen-(Z)-prostane derivatives have the formula (I), where Z is one of the residues (a) or (b), Hal is a chorine or fluorine atom in the alpha or beta position, R1 is the residue CH2OH or (c) where R2 is a hydrogen atom or an alkyl, ...  
WO/1988/010252A1
Novel prostaglandins of formula (IA) and (IB) are described wherein: n = 2, 3; m = 4, 5, 6, 7; p = 5, 6, 7, Y, when X = H, -NH2, represents -NH-NH2, -CH2NH2, -NRR', wherein R and R' may be the same or different, each representing: H, a l...  
WO1988007031A3  
WO/1988/007031A2
A process for producing a sulfurized olefin product substantially free of ash containing waste is disclosed. The process involves dehydrohalogenation of an olefin/sulfur halide complex by contacting the complex with a protic solvent in t...  
WO/1988/001995A1
A process for reducing aldehydes or ketones using a stable and highly active catalyst not soluble in a solvent, easily removable from the reaction system after completion of the reaction, and reusable. This process comprises reacting an ...  
WO/1987/005598A1
Myoinositol phosphates and salts thereof represented by general formula (I) and process for their preparation. The myoinositol derivatives are prepared by reacting a phosphorylating agent with a myoinositol derivative wherein sites other...  
WO/1987/005015A1
Optically active compounds of the cyclohexane series can be used as components of chirally tilted smectic liquid crystal phases.  
WO/1987/004159A1
Antitumor cyclohexanone compositions and derivatives thereof, a process of producing the compositions and a method for inhibiting tumors utilizing the compositions. More particularly, the compositions are cyclohexanone and derivatives th...  
WO/1987/003893A1
Thermoplastic compositions comprised of compatible combinations of a polyphenylene ether resin and a polyamide resin and which require improved thermal properties can be impact modified with a modifying agent having a core-shell structur...  
WO/1987/003580A1
4-Isopropyl-7-methylene-5-cyclodecen-1-ol, which can afford optically active periplanone-B on an industrial scale.  
WO/1986/007364A1
Ring A-diol units suitable for synthesizing 1alpha-hydroxyvitamin D compounds by subsequent condensation with appropriate C/D-ring fragments and to methods for preparing such ring A-diol units.  
WO/1986/005484A1
Cyclohexane derivatives of formula R1-A1-Z1-A2-R2 in which R1 and R2 in each case are H, an alkyl group with 1-10 C atoms, in which also one or two non-neighboring CH2 groups can be replaced by O atoms and/or -CO groups and/or -CO-O grou...  
WO/1986/002835A1
An antineoplastic agent containing 2,7,11-cembratriene-4,6-diol, and a method for treating tumor using it.  
WO/1986/001119A1
A catheter assembly (10) for packaging in sterile condition within a protective removable envelope (42). The catheter assembly (10) includes a shield structure (26) incorporating an elongated hollow body (12) defining a bore (14) thereth...  
WO/1986/000308A1
An improved process for synthesizing periplanone-B, the sex attractant and sex excitant pheromone of the American cockroach, Periplaneta americana.  
WO/1985/004393A1
Alkylene glycols are produced by the reaction of alkylene oxide with water in the presence of a metalate-containing solid wherein the metalate is in association with electropositive complexing sites on a solid support such as an anion ex...  
WO/1985/003286A1
A process for the hydrogenation of an aldehyde or a ketone comprises reacting the aldehyde or ketone with methanol in the presence of a platinum group metal catalyst. During the reaction methanol acts as a hydrogen donor and produces for...  
WO/1984/000954A1
A method for the preparation of secondary allylic esters or alcohols by allylic rearrangement of the corresponding isomeric tertiary allylic alcohol. The rearrangement is catalyzed by an acid and is carried out in the presence of a carbo...  
WO/1983/004019A1
Novel cycloaliphatic anti-androgenic compounds which block androgen receptor sites, with both topical and systemic administration being provided. Pharmaceutical methods are also provided.  
WO/1983/003248A1
Carbacycline derivatives having the formula I wherein R1 is the residue CH2OH or$(1,)$ -C-OR2, R2 representing a hydrogen atom, an alkyl, cycloalkyl, aryl, $(1,)$CH2 -C-aryl residue or a heterocyclic residue, or R1 is the residue $(1,)$-...  
WO/1982/003854A1
A process for effecting hydrogenolysis of a carboxylic acid ester comprising contacting a vaporous mixture containing the ester and hydrogen with a catalyst comprising a reduced mixture of copper oxide and zinc oxide at a temperature in ...  
WO/1982/002893A1
New derivatives of vitamin D3, specifically, 1(Alpha), 25-dihydroxy-2(Beta)-fluorocholecalciferol. The compound is characterized by vitamin D-like activity as measured by its ability to stimulate intestinal calcium transport, mobilizatio...  
WO/1982/002321A1
Novel compounds of the formula (FORMULA) in which R1 is a phenyl, phenoxy, phenylthio, benzyl or heterocyclic radical which may be substituted, R2 is hydrogen, a substituted-vinylcyclopropane carbonyl group, a tetramethylcyclopropanecarb...  
WO1982000030A1
Compounds useful as fragrance materials having the structure (FORMULA) wherein each of R1, R2, and R3 are hydrogen or methyl can be prepared by reacting a halogen-containing cyclohexane, having the structure (FORMULA) wherein each of R1,...  
WO/1981/001002A1
Prostaglandin and prostacyclin compounds which are fluorine substituted in any one or more of the following positions, 4, 4; 7, 7; 10, 10; and 5.  
WO/1981/000845A1
Novel compounds useful as fragrance materials which have the structure (FORMULA) wherein the dashed line may be either a carbon-carbon single bond or a carbon-carbon double bond. The invention also provides methods of preparing these com...  
WO/1981/000561A1
Bicyclic compounds of the formula: (FORMULA) having a simple or double bond in the position indicated by the dotted line and wherein m=2, n=1 or m=1 and n=0 and wherein the symbol R represents a hydrogen atom or an acyl residue comprisin...  
WO/1980/002028A1
New derivatives of vitamin D,24,24-difluoro-1(Alpha),25-dihydroxycholecalciferol and 24,24-difluoro-1(Alpha),25-dihydroxy-5,6-trans-cholecalcifer ol and processes for preparing the same. The compounds are characterized by vitamin D-like ...  
WO/1980/000915A1
Novel compounds useful as fragrance materials which have the structure (FORMULA) wherein the dashed line may be either a carbon-carbon single bond or a carbon-carbon double bond. The invention also provides methods of preparing these com...  

Matches 601 - 650 out of 4,198