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| Number | Title | Issue Date |
| 8168835 | Method for preparing propargylic alcohol catalyzed by 2-morpholinoisobornane-10-thiol A method for preparing a propargylic alcohol catalyzed by 2-morpholinoisobornane-10-thiol (MITH) is disclosed, which includes reacting R1CHO with R2CCH in the presence of R3ZnR4 and MITH, wherein each of R1, R | 05/01/2012 |
| 7956222 | Methods for producing dibromofluorobenzene derivatives Methods of the present invention for producing dibromofluorobenzene derivatives (compounds II) comprise Step 1, in which compounds (I) having the following general formula (I): (wherein, R | 06/07/2011 |
| 7531700 | Fluorinated arylethers and methods for use thereof The invention provides new fluorinated solvents that have many uses. One such use is as a solvent useful in the deposition of organic active materials in the manufacture of organic electronic devices. The new fluorinated solvents are fluorinated arylethers and can b... | 05/12/2009 |
| 7276633 | Method for production naphthalene derivatives The present invention relates to a process for the preparation of a compound of the general formula R-(A1-Z-)mB—CF2O-A2-(A3)n—R′ (I) in which ... | 10/02/2007 |
| 7115784 | Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds The present invention relates to copper-catalyzed carbon-heteroatom and carbon-carbon bond-forming methods. In certain embodiments, the present invention relates to copper-catalyzed methods of forming a carbon-nitrogen bond between the nitrogen atom of an amide or a... | 10/03/2006 |
| 7026378 | Hydrocarbyl-substituted phenols in resins for cellulosic composites Waxy hydrocarbyl substituted phenols or phenates are reacted into phenol formaldehyde resins to impart a waxy water resistant nature to binders. A preferred use of the modified phenol formaldehyde resins is as a binder in engineered wood products such as strand boar... | 04/11/2006 |
| 6963013 | Method of making fluorovinyl ethers and polymers obtainable therefrom A process for making fluorovinyl ethers having the formula CFX═CXOCF2OR, wherein R is a C2-C6 linear, branched or C5-C6 cyclic (per)fluoroalkyl group, or a C2-C6 linear, branched (per)flu... | 11/08/2005 |
| 6881868 | Process for the preparation of (R)-2-alkyl-3-phenyl-1-propanols Compounds of formula (I), wherein R1 and R2 are, independently of one another, H,C1-C6alkyl, C1-C6halogenalkyl, C1-C6alkoxyl, C1-C6alkoxy-C1-C | 04/19/2005 |
| 6852895 | Practical, cost-effective synthesis of CoQ10 The present invention provides a convergent method for the synthesis of ubiquinones and ubiquinone analogues. Also provided are precursors of ubiquinones and their analogues that are useful in the methods of the invention. ... | 02/08/2005 |
| 6787665 | Production method of substituted benzenes An ester compound of formula (1) can be produced by making a compound given by formula (2): react with an alkali metal salt of acetic acid in the presence of an aromatic hydr... | 09/07/2004 |
| 6635787 | Production method of a 2,6-dichlorophenol compound A 2,6-dichlorophenol compound of formula (1): ##STR1## wherein R represents a 3,3-dihalo-2-propenyl group or a benzyl group optionally substituted by halogen atom(s), can be produced by making a phenol compound of formula (2): ##STR2## wherein R has ... | 10/21/2003 |
| 6462242 | Process for preparing benzyl alcohols and their use Benzyl alcohols, particularly those which bear fluorine substituents or fluoroalkyl substituents on the benzyl ring, can be obtained by formylation of corresponding aryl bromides to form benzaldehydes and reduction of the latter using further formate, whe... | 10/08/2002 |
| 6462240 | Process for the selective deprotonation and functionalization of 3-substituted benzotrifluorides 3-Substituted benzotrifluorides are selectively deprotonated and functionalized in the 2-position. The selectivity is achieved by equilibrating the mixture of lithiobenzotrifluorides initially formed in the presence of a primary or secondary amine catalys... | 10/08/2002 |
| 6448449 | Process for preparation of (R)-1- (aryloxy)propan-2-ol A process for the preparation of (R)-1-(2,3-difluoro-6-nitrophenoxy)-propan-2-ol, which is a useful intermediate in the synthesis of the widely used antibiotic Levofloxacin is provided. A process for the preparation of (R)-1-(2,3-difluoro-6-nitrophen... | 09/10/2002 |
| 6355813 | process of making 3-phenyl-1-methylenedioxyphenyl-indane-2-carboxylic acid derivatives Invented is an improved process for preparing aromatic ring-fused cyclopentane derivatives. Preferred compounds prepared by this invention are indane carboxylates and cyclopentanopyridine derivatives. The most preferred compounds prepared by this inventio... | 03/12/2002 |
| 6309561 | Liquid crystal compounds having a chiral fluorinated terminal portion Fluorine-containing, chiral liquid crystal compounds comprise (a) a chiral fluorochemical terminal portion comprising (i) at least one chiral center, which can optionally be heteroatom-substituted; (ii) a terminal fluoroalkyl, fluoroether, perfluoroalkyl,... | 10/30/2001 |
| 6248573 | Optically active 1-phenyl-2-substituted propane derivatives and methods of producing the same An (S)-1-phenyl-2-substituted propane derivative shown by the following formula (I) ##STR1## wherein R1 and R2 represent a lower alkyl group, etc., or R1 and R2 may form together an alkylene group, etc.; R3... | 06/19/2001 |
| 6235870 | Dehydrohalogenation of poly (phenylhalo-b-hydroxypropyl ether) to form polyepoxide Process for the preparation of compounds of the formula ##STR1## wherein Hal represents chlorine, bromine or iodine and preferably chlorine, wherein Ra represents hydrogen or a residue comprising one or more additional groups of the formula, ... | 05/22/2001 |
| 6172268 | Method for producing an optically active 1-substituted 2-propanol A method for producing an optically active 1-substituted 2-propanol of the following formula 1, which comprises reacting a hydroxy aromatic compound of the following formula 2 with an optically active propylene oxide in the presence of a catalyst: AOH Fo... | 01/09/2001 |
| 6156940 | Process for producing optically active carbinols The present invention relates to a process for producing optically active halomethyl phenyl carbinols of the formula (1), comprising reducing halomethyl phenyl ketones of the formula (2) using an asymmetric reducing agent obtained from boranes and optical... | 12/05/2000 |
| 6068834 | Skin lightening compositions This invention relates to compositions, compounds and methods for lightening skin, using active compounds having the structure: ##STR1## wherein: (i) each X is, independently, selected from the group consisting of halo, alkyl, substituted alkyl, aryl... | 05/30/2000 |
| 6013841 | Method for the conversion of 3- and 4-methylcatechol to benzaldehyde The 3- and 4-methylcatechols are converted to the corresponding benzaldehyde by first alkylating the hydroxyl groups to form an alkylated methylcatechol. The methyl group is then converted to a methyl dibromide group using 1,3-dibromo-5,5-dimethylhydantoi... | 01/11/2000 |
| 6005063 | Epoxy compounds from chlorohydrin ethers of polyphenols Process for the preparation of compound of the formula: ##STR1## wherein Rc represents a residue comprising one or more additional groups of the formula: ##STR2## by heating a compound of the formula (A) ##STR3## at a temper... | 12/21/1999 |
| 6001954 | Process for the manufacture of epoxy compounds Process for the preparation of compounds of the formula ##STR1## wherein Hal represents chlorine, bromine or iodine and preferably chlorine, wherein Ra represents hydrogen or a residue comprising one or more additional groups of the formul... | 12/14/1999 |
| 5972241 | Liquid crystal compounds having a chiral fluorinated terminal portion Fluorine-containing, chiral liquid crystal compounds comprise (a) a chiral fluorochemical terminal portion containing at least one methylene group and optionally containing at least one catenary ether oxygen atom; (b) a saturated, chiral or achiral, hydro... | 10/26/1999 |
| 5952386 | Dihalopropene compounds, insecticides containing them as active ingredients, and intermediates for their production The present invention provides dihalopropene compounds of the general formula: ##STR1## wherein R1 is C1 -C10 alkyl or the like; L is C(.dbd.O)NH or the like; R2, R3 and R4 are indepen... | 09/14/1999 |
| 5936102 | Process for the preparation of 2,2,3,3-tetrafluoro-1,4-benzodioxanes, novel o-(2-bromo-1,1,2,2-tetrafluoroethoxy)-phenols, and novel 2-bromo-1,1,2,2-tetrafluoroethoxy-containing phenyl ethers The present invention is drawn to a process for preparing a 2,2,3,3-tetrafluoro-1,4-benzodioxane, by cyclocondensing a o-(2-bromo-tetrafluoroethoxy)-phenol in the presence of an acid binder.... | 08/10/1999 |
| 5928562 | Process for controlling cone tilt angle in mixtures of smectic liquid crystal compounds A process for controlling the cone tilt angle of a tilted smectic liquid crystal composition comprises the step of combining (a) at least one liquid crystal composition comprising at least one smectic or latent smectic liquid crystal compound comprising (... | 07/27/1999 |
| 5872137 | Dihalopropene compounds, insecticidal/acaricidal agents containing same, and intermediates for their production The dihalopropene compounds of the general formula I! have excellent insecticidal/acaricidal activity, so that they are satisfactorily effective for the control of noxious insects, mites and ticks.... | 02/16/1999 |
| 5869506 | Fluoropropene compound, an insecticide containing the same and an intermediate for production thereof The present invention provides a fluoropropene compound represented by Formula I: ##STR1## wherein R1 represents a C1 -C10 alkyl group or other groups, Z represents an oxygen atom or other groups, R2, R | 02/09/1999 |
| 5702637 | Liquid crystal compounds having a chiral fluorinated terminal portion Fluorine-containing, chiral liquid crystal compounds comprise (a) a chiral fluorochemical terminal portion containing at least one methylene group and optionally containing at least one catenary ether oxygen atom; (b) a saturated, chiral or achiral, hydro... | 12/30/1997 |
| 5508461 | Optically active 1-phenyl-2-substituted propane derivatives and methods of producing the same An (S)-1-phenyl-2-substituted propane derivative shown by the following formula (I) ##STR1## wherein R1 and R2 represent a lower alkyl group, etc., or R1 and R2 may form together an alkylene group, etc.; R | 04/16/1996 |
| 5491261 | Poly-perfluoroalkyl-substituted alcohols and acids, and derivatives thereof Di-, tri- and poly-perfluoroalkyl-substituted alcohols and acids and derivatives thereof are described which are prepared from perfluoroalkyl iodides and di-, tri- or polyallyl alcohols or acids. These compounds contain two or more perfluoroalkyl-iodoalky... | 02/13/1996 |
| 5466435 | Compositions of iodophenoxy alkylene ethers and cellulose derivatives for visualization of the gastrointestinal tract Disclosed are contrast agents of the formula ##STR1## wherein Z is H, halo, C1 -C20 alkyl, cycloalkyl, lower alkoxy, alkoxycarbonyl, cyano, where the alkyl and cycloalkyl groups can be substituted with halogen or halo-lower-alky... | 11/14/1995 |
| 5463138 | Process for preparing difluoromethoxyarenes and difluoromethylthioarenes Difluoromethoxyarenes and difluoromethylthioarenes of the general formula (I), Ar--Q--CHF2 (I) in which Ar represents optionally substituted aryl, and Q represents oxygen or sulphur, (which can be used as interme... | 10/31/1995 |
| 5463083 | Compounds and methods for the treatment of cardiovascular, inflammatory and immune disorders 2,5-Diaryl tetrahydrofurans, 2,5-diaryl tetrahydrothiophenes, 1,3-diaryl cyclopentanes are disclosed that reduce the chemotaxis and respiratory burst leading to the formation of damaging oxygen radicals of polymorphonuclear leukocytes during an inflammato... | 10/31/1995 |
| 5463088 | Process for preparing perfluoroalkoxy (alkylthio) benzenes A process for preparing perfluoroalkoxy(alkylthio)benzenes from perfluorochloroalkoxy(alkylthio)-benzenes by reaction with hydrogen fluoride in the gas phase and in the presence of a catalyst.... | 10/31/1995 |
| 5440051 | Process for the -chlorination of aryl ethers Aryl ethers are chlorinated in the -position by a process in which they are metered into a reaction vessel at the same time as chlorine, the reaction being carried out at temperatures in the range from 60° to 150° C.... | 08/08/1995 |
| 5437812 | Liquid crystal compounds having perfluoroether terminal portions Fluorine-containing liquid crystal compounds are provided. The compounds comprise a fluorocarbon terminal portion having at least one catenary ether oxygen and a hydrocarbon terminal portion, the terminal portion being connected by a central core, the com... | 08/01/1995 |
| 5420359 | Chlorofluoroether compositions and preparation thereof Normally liquid chlorofluoroether compositions consisting or consisting essentially of one or a selected mixture of perhalogenated chlorofluoroether compounds are provided by direct fluorination of the corresponding chloroether or chlorofluoroether precur... | 05/30/1995 |
