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9006484 Polymer having bis(diphenylphosphino)binaphthyl groups  
A polymer having bis(diphenylphosphino)binaphthyl groups that can be used as a catalyst for an addition reaction, especially an asymmetric 1,4-addition reaction, or a reduction reaction,...
9000221 Processes for the preparation of 4′-[3-[4-(6-Fluoro-1 ,2-benzisoxazol-3-yl)piperidino]propoxy]-3′-methoxyacetophenone and intermediates thereof  
The present invention relates to processes for the preparation of 4′-[3-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidino]propoxy] -3′-methoxyacetophenone and intermediates thereof. The present...
8981036 Synthesis of and curing additives for phthalonitriles  
A composition having a mixture of the below compounds having a mole ratio of at least 1:20. Ar1 and Ar2 are independently selected aromatic groups. A composition comprising phthalonitrile...
8952200 Liquid crystal oligomer, synthesis composition, preparation method thereof, and liquid crystal material  
The disclosed technology provides a liquid crystal oligomer, a synthesis composition, a preparation method thereof, and a liquid crystal material. The liquid crystal oligomer is represented by the...
8871877 Hybrid organic-inorganic materials that contain stabilized carbene  
The present invention relates to materials and particularly “organometallic-organic-inorganic hybrid materials” that can be used as heterogeneous catalysts for selective catalytic reactions. More...
8865623 Herbicidally active cyclic diones and derivatives thereof, processes for their preparation, compositions, and method of controlling weeds  
Compounds of formula (I), wherein the substituents are as defined in claim 1, are suitable for use as herbicides.
8859625 Methods to prepare penta-1,4-dien-3-ones and substituted cyclohexanones and derivatives with antitumoral and antiparasitic properties, the compounds and their uses  
The present invention refers to new derivatives of the penta-1,4-dien-3-ones, as well as their processes of preparation. These compounds present strong antitumoral activity and promising...
8859712 Synthesis of and curing additives for phthalonitriles  
A method of: providing a solution of a dichloroaromatic compound having an electron-withdrawing group bound to each aromatic ring containing one of the chloride groups; a dihydroxyaromatic...
8828908 Herbicidally active bicyclic 1,3-dione compounds  
Bicyclic dione compounds of formula (I), and derivatives thereof, which are suitable for use as herbicides.
8680339 Herbicides  
Compounds of Formula (I), wherein the substituents are as defined in claim 1, are suitable for use as herbicides.
8629302 Methods for preparing hypericin  
The present invention provides a method for making hypericin comprising the steps of converting a protohypericin to a protohypericin salt, and irradiating the protohypericin salt with visible...
8546618 Method for preparing 3-trifluoromethyl chalcones  
Disclosed is a method for preparing a compound of Formula 1 wherein Q and Z are as defined in the disclosure comprising distilling water from a mixture comprising a compound of Formula 2, a...
8471068 Process for the preparation of 4-(4-hydroxyphenyl)butan-2-one using solid acid clay catalyst  
Solid acid catalyst such as acid activated-Montmorillonite clay composite has been developed by modifying the Na-Montmorillonite clay with acid (HCl) treatment for different periods such as 5...
8314045 Solid acid catalyst  
A porous solid acid catalyst having high concentration of acidic sites and a large surface area includes a porous silica support and a sulfonated carbon layer disposed within the pores of the...
8212081 Process for preparing substituted 1,4-quinone methides  
A method for preparing a substituted 1,4-quinone methide from a 3,5-disubstituted 4-hydroxybenzaldehyde is provided. Also provided is a method to prepare a 3,5-disubstituted 4-hydroxybenzaldehyde...
7897820 Process for preparing erianin  
A process for preparing Erianin (Dihydro Combretastation A-4), wherein 3,4,5-trimethoxy benzaldehyde is converted to phosphonium salt or phosphonate ester or the likes thereof, then reacted with...
7842840 Process for the preparation of trans-2,3-disubstituted naphthoquinones  
The invention concerns a new process for the preparation of naphthoquinones, in particular an improved process for the preparation of 2,3-disubstituted 1,4-naphthoquinones, in the trans configuration.
7816563 Method for preparing hypocrellin  
Improved methods of preparing hypocrellin B from 4,9-dihydroxy-3,10-perylenequinones are described.
7696386 Method of producing diol, polydiol, secondary alcohol or diketone compound  
The invention is a process of using, as a reducing agent, a 12CaO.7Al2O3 electride containing electrons in a number of 1019 or more and 2.3×1021 cm−3 or less in its cages to subject a carbonyl...
7423184 Method of making carbonyl compounds  
A method of making a carbonyl compound comprises contacting a compound comprising a secondary hydroxyl group with a basic metal oxide catalyst at a temperature sufficient to maintain the compound...
7351850 Process for producing alphaoxocarbonyl compound  
A process by which an α-oxocarbonyl compound useful as an intermediate for pharmaceuticals/agricultural chemicals can be industrially advantageously and efficiently produced in a high yield. The...
7323603 Method for aldol reaction in water  
A method for aldol reaction in water, which comprises: reacting an aldehyde with a silyl enol ether in an aqueous medium in the presence of a boronic acid represented by the following general...
7253323 Method for the production of benzophenones  
A process for preparing benzophenones of the formula I, where X may be chlorine, hydroxyl, methoxy or C1-C6-alkylcarbonyloxy, and Y may be chlorine or bromine, by reacting an acid chloride of the...
7166749 Process for preparing chiral aromatic α-hydroxy ketones using 2-hydroxy-3-oxoacid synthase  
A biotransformation process for preparing chiral aromatic-hydroxy ketones in high yields is described, using 2-hydroxy-3-oxoacid synthase, such as AHAS or TSAS. Optionally substituted...
7115782 Process for producing aromatic compounds by Friedel-Crafts reaction  
There is provided a process for producing an aromatic compound by Friedel-Crafts reaction product, which comprises reacting an aromatic compound with an ester compound in the presence of a...
7060859 Use of a solid hydrotalcite structure incorporating fluorides for basic catalysis of Michael or Knoevenagel reactions  
The invention concerns the use of a solid basic catalyst comprising a hydrotalcite structure wherein part at least of the compensating anions are fluoride anions F− for producing Knoevenagel of...
7053218 Process for regioselective demethylation of p-methoxy group in phenolic ester and diaryl ketone moieties  
Demethylation of 3′, 4′-dimethoxy or 3′, 4′, 5′-trimethoxy benzoic ester of a phenol is carried out in the presence of an excess of aluminum halide in an organic solvent to get 4′-Hydroxy,...
7053248 Process for producing trifluoromethyl- substituted 2- alkoxyacetophenone derivatives  
A process for producing a brominated acetal (represented by the formula 3) includes (a) brominating a trifluoromethyl-substituted acetophenone by Br2 in the presence of an alkylene diol. It is...
7005453 Use of hop acids to inhibit growth of Staphylococcus aureus and prevent toxic shock syndrome  
The present invention provides methods, products, and compositions for selectively inhibiting the growth of Staphylococcus aureus without preventing the growth of Lactobacillus species....
6943257 Process for preparation of aromatic halides from aromatic amines  
The present invention provides a process for preparing an aromatic bromide or aromatic iodide from an aromatic amine derivative using nitrite anion and halodimethylsulfonium halide generated in...
6911547 Process for the preparation of bicyclic diketone salts  
The present invention relates to a process for the preparation of bicyclic 1,3-diketone salts of formula I wherein R1, R2, R3 and R4 are each independently of the others hydrogen or C1-C4alkyl; A...
6872854 Complexes of metal salts of organic acids and beta-diketones and methods for producing same  
Metal salts of organic acids complexed with β-diketone compounds are multifunctional complexes useful in the formulation of stabilizers for halogenated resins. These complexes may be used jointly...
6864394 Method for producing ketones from carboxylic acid anhydrides  
The invention relates to a method for producing ketones by reacting boric acid derivates with carbocylic acid anhydrides in the presence of a transition metal catalyst. The carboxylic acid...
6800785 Process for the synthesis of estrogen receptor modulators  
The present invention relates to processes for the synthesis of intermediates useful for the synthesis of estrogen receptor modulators. The process includes new methods for annelating 5-, 6- and...
6770787 Heavier halogen atom substituted squaraine based dyes, process for the preparation thereof and use thereof as sensitizers for photodynamic, therapeutical and industrial applications  
The present invention relates to heavier halogen atom substituted squaraine based dyes of the formula 1 below where X is a heavier halogen atom and pharmaceutically acceptable derivatives thereof,...
6762329 Diaryl ether condensation reactions  
One aspect of the present invention relates to novel reaction conditions that allow the efficient synthesis of diaryl ethers from arenes bearing a leaving group and arenols under relatively mild...
6703527 Method for oxidation of allyl alcohol  
Allyl alcohols are converted into corresponding aldehydes or ketones in a high yield under a mild condition by using an inexpensive aluminum alkoxide as an Oppenauer oxidation catalyst and a...
6683220 Process for the preparation of optically pure or enriched racemic tetralone  
A process for producing substantially optically pure sertraline utilizes chromatographic separation on a solid stationary chiral phase of spherical clay particles having an interlayer containing...
6617473 Production of dibenzosuberenone derivatives by catalytic dehydrogenation  
The invention relates to a preparation process for derivatives by catalytic dehydrogenation of dibenzosuberone derivatives.
6608217 Process for producing 4-substituted benzopyran derivatives  
The present invention relates to a first process for producing a 2,2-bis(fluoromethyl)-6-(perfluoroalkyl)-2H-1-benzopyran-4-c arboxylic acid. The first process includes the steps of (a) reacting a...
6590127 Process for the preparation of pharmacologically active α-asarone from toxic β-asarone rich acorus calamus oil  
The present invention relates to a process for the preparation of high purity and yield α-asarone, trans 2,4,5-trimethoxy cinnamaldehyde, 2,4,5-trimethoxy-phenyl propionone, from β-asarone or...
6583307 Convenient and efficient Suzuki-Miyaura cross-coupling catalyzed by a palladium/diazabutadiene system  
A Pd(OAc)2/diazabutadiene system has been developed for the catalytic cross-coupling of aryl halides with arylboronic acids. A combination of the diazabutadiene DAB-Cy (1,...
6482989 Method for oxidizing alkanes and cycloalkanes with aldehydes in the presence of copper-based catalysts and nitrogen-containing compounds  
A method for oxidizing an alkane, comprising the step of oxidizing said alkane with oxygen in the presence of an aldehyde, a copper-based catalyst and a nitrogen-containing compound. This method...
6444854 Process for the production of enantiomerically pure or optically enriched sertraline-tetralone using continuous chromatography  
A process for the production of enantiomerically pure or optically enriched sertraline-tetralone from a mixture containing two enantiomers using continuous chuomatography. The chromatography...
6441244 Benzophenones and the use thereof as photoinitiators  
The invention relates to new compounds of the formula (I) in whichR is phenyl, C1-4alkyl-, C1-4alkoxy- or halogen-substituted phenyl, naphthyl or an aromatic ring containing heteroatoms;X is O or...
RE37813 Process for the synthesis of nabumetone  
New process for the synthesis of the antiinflammatory drug known as nabumetone that consists in reacting 2-acetyl-5-bromo-6-methoxynaphthalene with an alkyl acetate in presence of an alkaline...
6410795 Process for base-promoted condensation reactions and base reagent therefor  
A method for the preparation of 1,3-diketones is disclosed wherein the method comprises the steps of: (A) mixing an alkali metal base with a hindered alcohol in an aromatic hydrocarbon solvent;(B)...
6303823 Process for preparing ketones, in particular 6-methylheptan-2-one  
A process for preparing ketones by so-called "crossed aldol condensation" of a ketone with an aldehyde in the presence of a catalyst system consisting of approximately equimolar amounts of a...
6245944 Process for producing substituted indanones  
A process for preparing a compound of the formula Iwhere R1 and R2 are hydrogen or C1-C4-alkyl and R3 is C1-C10-alkyl, phenyl or C1-C4-alkyl-substituted phenyl, comprises reacting a compound...
6242641 Cycloaliphatic compounds  
The present invention relates to compounds selected from formula I ##STR1##wherein R1, R2, R3 and R4 are the same or different and represent hydrogen, C1, to C6 -alkyl, C5 to C6 -cycloalkyl,...

Matches 1 - 50 out of 398 1 2 3 4 5 6 7 8 >