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| Number | Title | Issue Date |
| 7897819 | Method for producing optically active aziridine compounds and amine compounds as well as complexes and their intermediates used in this method This invention provides a method for producing an optically active aziridine compound or amine compound, which uses as a catalyst a Ru(salen)(CO) complex represented by the following formula (I) or its enantiomer having a high stability, in a high turnover number (T... | 03/01/2011 |
| 7777081 | 4-(4-alkylcyclohexyl)benzaldehyde A process for effectively producing a 4-(4-alkylcyclohexyl)benzaldehyde, 4-(cyclohexyl)benzaldehyde, a 4-(trans-4-alkylcyclohexyl)benzaldehyde and a (trans-4-alkylcyclohexyl)benzene useful for electronic material applications such as liquid crystals and for pharmace... | 08/17/2010 |
| 7268252 | Binaphthol derivatives and their use in optical resolution or optical transformation Disclosed herein are novel binaphthol derivatives and methods for the optical resolution of amino acids or amino alcohols and for the optical transformation of D, L-forms of amino acids using the same. ... | 09/11/2007 |
| 7247733 | Process for preparing nuclear-fluorinated aromatics The present invention relates to the preparation of nuclear-fluorinated aromatics by reacting, with a fluoride at 40 to 260° C., an aromatic compound substituted at the nucleus with halogen that is exchangeable for fluorine in the presence of at least one compound ... | 07/24/2007 |
| 7183445 | Cyclohexyl derivatives as selective estrogen receptor modulators The present invention is directed to novel cyclohexyl derivatives, pharmaceutical compositions containing them and their use in the treatment of disorders and diseases mediated by an estrogen receptor. ... | 02/27/2007 |
| 7087693 | Polymerization process involving diacyl peroxides The invention relates to a process to make and use specific diacyl peroxides in polymerization reactions. The peroxides are produced and used in a polymerization process within a short timeframe in order to overcome stability issues associated with them. ... | 08/08/2006 |
| 6903114 | Derivatives of naphthalene with COMT inhibiting activity Compounds of formula (I′), wherein A, R1 to R3 and t are as defined in the disclosure, exhibit COMT enzyme inhibiting activity so that they are useful as COMT inhibitors. ... | 06/07/2005 |
| 6768027 | Cinnamaldehyde compound having an azido group The invention provides a novel azidocinnamaldehyde compound which, when used as an intermediate for providing a photosensitive moiety of a photoresist, introduces a photosensitive moiety having high sensitivity and attaining high contrast between the exposed portion... | 07/27/2004 |
| 6693214 | Intermediate for sweetener with high sweetness and process for producing the same The present invention relates to a 3-substituted-phenyl-3-merthylbutyric acid and 3-substituted-phenyl-3-merthylaldehyde derivatives, which are useful in the production of N-[N-[3-(3-hydroxy-4-methoxyphenyl)-3-methylbutyl]-L--aspartyl]-L-p heny... | 02/17/2004 |
| 6677479 | Substituted fluoroaromatics, process for preparing them and their use Compounds of the formula (I) and also process for preparing them ##STR1## where substituents X1, X2, Y and Z are defined as follows: X1 is H or F X2 is H or F Y is CI, Br, or I Z is CHO or COOH or CN n... | 01/13/2004 |
| 6562996 | Alkyl aromatic aldehydes A composition containing isomeric mixtures of arylaldehydes prepared from a mixed alkyl aromatic feedstock. A composition containing isomeric mixtures of dimethylbenzaldehydes prepared from a mixed xylene feedstock using a Gatterman-Koch type reaction. A ... | 05/13/2003 |
| 6552214 | Antimicrobial compound A compound comprises a blocked halogenated hydroxydiphenyl ether of the formula: ##STR1## where X1 is a halogen, X2 is chlorine or bromine, X3 is hydrogen, chlorine or bromine, X4 is chlorine, bromine, alkyl hav... | 04/22/2003 |
| 6538161 | Fluorescent substances The objective of this invention is to provide fluorescent compounds comprising a naphthalene skeleton, an electron donating group substituted at the 2- or 1-position of the naphthalene skeleton, and an electron attractive group substituted at the 6- or 4-... | 03/25/2003 |
| 6515137 | Catalytic processes employing chiral imidazolidinone-based catalyst composition Acid addition salts of imidazolidinones are provided as catalysts for transforming a functional group within a first reactant by reaction with a second reactant. Exemplary first reactants are ,ଲ-unsaturated carbonyl compounds such as ,... | 02/04/2003 |
| 6509507 | Polymerizable biaryls, process for their preparation and their use A process for preparing polymerizable biaryl derivatives comprises reacting an aromatic comprising a 6-membered ring which bears ester or benzylic OH groups in the 1,4 position with a second aromatic in a palladium-catalyzed cross-coupling reaction to giv... | 01/21/2003 |
| 6452056 | Process for the preparation of fluorobenzyl derivatives A fluorine-containing benzonitrile derivative (formula 1) is subjected to a reduction reaction to obtain a fluorine-containing benzylamine derivative (formula 2), and the amino group in said fluorine-containing benzylamine derivative is replaced with a hy... | 09/17/2002 |
| 6420610 | Silver halide photographic light-sensitive material, aromatic aldehyde derivative compound, and image-forming method Aromatic aldehyde compounds of formula (4) and (6) are disclosed, ##STR1## wherein Y is a methylene group with various substitutions and R represents various substituents.... | 07/16/2002 |
| 6369243 | Chemical transformation of substrates using nonmetallic, organic catalyst compositions A method is provided for catalytically transforming a functional group within a first reactant by reaction with a second reactant in the presence of a nonmetallic, organic catalyst composition composed of a heteroatom-containing activator and an acid, or ... | 04/09/2002 |
| 6355843 | Purification of carboxaldehyde The invention is directed to the process of purifying 4'-chloro-4-biphenylcarboxaldehyde.... | 03/12/2002 |
| 6323373 | Polymerizable biaryls, method for the production and use thereof A process for preparing polymerizable biaryl derivatives comprises reacting an aromatic comprising a 6-membered ring which bears ester or benzylic OH groups in the 1,4 position with a second aromatic in a palladium-catalyzed cross-coupling reaction to giv... | 11/27/2001 |
| 6313354 | Method for producing aromatic aldehydes A process for the preparation of aromatic aldehydes comprising the steps of condensing a phenone ketal with a vinyl ether in the presence of a Lewis acid, subjecting the resulting acetal to acidic hydrolysis to form the corresponding ,ଲ-unsat... | 11/06/2001 |
| 6297405 | Fluorinated and chlorinated benzaldehydes A process for the preparation of aromatic aldehydes containing fluorine, and more particularly, to a formylation process for fluorinated aromatic derivatives through the reaction of fluorinated benzenes with carbon monoxide and aluminum chloride at a rela... | 10/02/2001 |
| 6054624 | 2,3-dihalogeno-6-trifluoromethylbenzene derivatives and process for producing the same The present invention is to provide 2,3-dihalogeno-6-trifluoromethylbenzene derivatives represented by a general formula [I]; ##STR1## wherein X1 and X2 are the same or different and each independently represents fluoro or chlor... | 04/25/2000 |
| 6043397 | Method for production of fluorine-containing aromatic compounds A method for the production of a fluorine-containing aromatic compound is provided which allows the relevant reaction to proceed in a standard reaction vessel such as, for example, a glass vessel at room temperature under an ambient pressure without requi... | 03/28/2000 |
| 6020531 | Process for the preparation of 2,6-disubstituted benzothiophene compounds A benzothiophene compound represented by a formula: ##STR1## wherein R1 represents a lower alkyl group, and R2 represents a halogen atom; a lower alkyl group; or a cycloalkyl group or cycloalkenyl group which may optionally be s... | 02/01/2000 |
| 5977414 | 2,3-Dihalogeno-6-trifluoromethylbenzene derivatives and processes for the preparation thereof 2,3-Dihalogeno-6-trifluoromethylbenzaldehydes of general formula (I) useful as intermediates for the preparation of fungicides for agricultural and horticultural use;a process for the preparation of the same; and process for preparing 2,3-dihalogeno-6-tri... | 11/02/1999 |
| 5961670 | Sulfur dyes New sulfur dyes comprising in their preparation at least one sulfur dye intermediate of the formula I ##STR1## wherein R and R1 are independently nitro, nitroso or amino, are produced by including in their preparation at least one modifyin... | 10/05/1999 |
| 5874637 | Process for the purification of o-phthalaldehyde Process for the purification of o-phthalaldehyde in which an alcoholic solution containing the crude, unpurified o-phthalaldehyde is adjusted to a pH between 0 and 3 at a temperature between 0° and 60° C., then an alkaline solution is added, and the cor... | 02/23/1999 |
| 5866723 | Benzoyl derivatives and synthesis thereof The present invention relates to novel 4-halo-2-fluoro-5-alkylbenzoyl compounds and their methods of manufacture. These compounds are useful for the preparation of agricultural chemicals and medicines, particularly as intermediates for an active class of ... | 02/02/1999 |
| 5861385 | Substituted triols Substituted triols are prepared by reducing appropriately substituted carboxylic esters. The substituted triols can be used as active substances in medicaments.... | 01/19/1999 |
| 5824683 | 2'-4'-h alo-1,1'-biphenyl!-4-yl!methyl!-5'-methyl-spirocyclopentane-1,7' (8'H)-3H! imidazo2,1-b!purin!-4' (5'H)-ones Antihypertensive and bronchodilating phosphoclusterose inhibitory compounds of the formula ##STR1## or a pharmaceutically acceptable salt thereof wherein X is fluoro, chloro or bromo.... | 10/20/1998 |
| 5824817 | Herbicidal compositions based on 2,6-dichloro-3-fluoro-benzonitrile, and new intermediates The invention relates to the use of the known compound 2,6-dichloro-3-fluoro-benzonitrile as active compound in selectively-herbicidal compositions, and to new preparation processes and new intermediates for the preparation of this compound.... | 10/20/1998 |
| 5777181 | 2, 4, 5-trihalogeno- and 2, 3, 4, 5-tetrahalogenobenzene derivatives 2,4,5-Trihalogenobenzene derivatives of the formula ##STR1## in which R is --COOH, --COCl, --COF, --CN, --CONH2, --CH2 OH, --CH2 Cl, --CHCl2, --CCl3 or --CHO, R1 is H, Cl or F, and R2 | 07/07/1998 |
| 5639919 | Intermediates for the preparation of vitamin A and carotenoids and process for their preparation The present invention relates to novel intermediates for the preparation of vitamin A and carotenoids, corresponding to the following formula (I): ##STR1## in which X is a carbon atom; n is equal to 1 or 2; R1, R2 and R3 | 06/17/1997 |
| 5618975 | Process for the preparation of biphenyl derivatives Biphenyl derivatives and processes for the preparation of biphenyl derivatives are described. A compound of formula (I) is disclosed ##STR1## in which the substituent X is --CHO or --CH(OR1)OR2, where R1 and R2 | 04/08/1997 |
| 5599959 | Analogues of acetylsalicylic acid and novel uses thereof The present invention provides a salicylate analogue having the structure ##STR1## wherein R is selected from the group consisting of hydrogen, methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl; pentyl, hexyl, heptyl, octyl, nonyl, decyl, undecyl, ... | 02/04/1997 |
| 5563292 | Lipoxygenase inhibitors Novel compounds of Formula 1 ##STR1## or a pharmaceutically acceptable salt or solvate thereof are disclosed. Also disclosed are pharmaceutical compositions containing compounds of Formula 1. Methods of treating allergy, inflammation and hyperpr... | 10/08/1996 |
| 5527769 | Aromatic compounds and their use in perfumery The compounds of formula ##STR1## wherein symbol X represents a --CHO group or an acetal group of formula ##STR2## symbols R', taken separately, represent each a C1 to C4, linear or branched, saturated or unsaturated, hydro... | 06/18/1996 |
| 5489715 | Process for preparing 4,5-difluorobenzaldehydes 4,5-Difluorobenzaldehydes of a given formula are prepared by the reaction of corresponding benzaldehydes with a fluorinating agent.... | 02/06/1996 |
| 5475156 | Method for making a 2,6-dialkylphenol A method is provided for converting a 2,4,6-trialkylphenol, such as mesitol, to a dialkylphenol, for example 2,6-dimethylphenol, by effecting the selective oxidation of the 2,4,6-trialkylphenol, followed by the deformylation of the resulting 3, 5-dialkyl-... | 12/12/1995 |
