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| Number | Title | Issue Date |
| 8084637 | Amide gellant compounds with aromatic end groups A compound of the formula wherein R1 and R1′ are the same, and wherein R1 and R1′ are each aromatic groups; and wherein R2 and R2′ and R3 ea... | 12/27/2011 |
| 7361781 | Process for the preparation of 2,3,5-trimethylhydroquinone diacylates 2,3,5-Trimethyl-1,4-hydroquinone diacylates are obtained by reacting 3,5,5-trimethyl-1,4-benzoquinone with an acylating agent in the presence of methane trisulfonic acid as a catalyst. ... | 04/22/2008 |
| 7321053 | Process for the manufacture of tocyl and tocopheryl acylates A process for the manufacture of a tocyl acylate or a tocopheryl acylate comprises reacting tocol or a tocopherol with an acylating agent in the presence of a solid heterogeneous Brönsted acid catalyst, said catalyst being an inorganic Brönsted acid on a solid car... | 01/22/2008 |
| 7273948 | Process of preparing esters and ethers of probucol and derivatives thereof A probucol or a probucol derivative can be efficiently converted to a monoester or monoether of probucol by reacting the free hydroxyl-containing probucol or a derivative thereof (by which is meant a probucol compound with at least one substituent that is different ... | 09/25/2007 |
| 7074829 | Antiestrogens, process for their production and their pharmaceutical use This invention relates to new antiestrogens of the general formula in which the substituents have the meanings that are explained in more detail in the description. The new compounds are a) pure antiestrogens o... | 07/11/2006 |
| 6989458 | Process for preparing prostaglandin derivatives and stereospecific starting material thereof The present invention relates to a process for effectively preparing prostaglanin derivatives and to a stereospecific alkyl halide containing 15S-alcohol group as a starting material. ... | 01/24/2006 |
| 6958407 | Process for producing phenyl ester, and catalyst A phenyl ester is produced by allowing benzene, a carboxylic acid and molecular oxygen to react with each other in the presence of a catalyst comprising (A) palladium, (B) at least one element selected from elements of groups 13, 14, 15, and 16 and the fourth to six... | 10/25/2005 |
| 6943198 | Invert sugar bubbles Bubble solutions containing invert sugar are disclosed. The bubbles are long-lasting bubbles which can be produced by children at play. Components in the bubble formulation may include a water soluble polymer, invert sugar, surfactants, water, and vegetable syrup. | 09/13/2005 |
| 6838577 | Processes for the manufacture of lactones Processes are disclosed for the manufacture of lactones, e.g., caprolactone, from hydoxy acids, e.g., 6-hydroxycaproic acid. The reaction is conducted over a suitable catalyst in the presence of water. ... | 01/04/2005 |
| 6815394 | Palladium-based catalysts A phenyl ester is produced by allowing benzene, a carboxylic acid and molecular oxygen to react with each other in the presence of a catalyst comprising (A) palladium, (B) at least one element selected from elements of groups 13, 14, 15, and 16 and the fourth to six... | 11/09/2004 |
| 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 |
| 6753444 | Method for producing 2,3,5,6-tetrahalogen-xylyidene compounds The invention relates to a process for preparing 2,3,5,6-tetrahaloxylylidene compounds of formula (I) where each Hal is independently fluorine or chlorine, and X is fluorine, chlorine, bromine, —O—R, or —O—C(═O... | 06/22/2004 |
| 6753443 | Preparing method of chiral ester The present invention relates to a process for preparing a chiral ester according to the formula (100): by reacting (i) a racemic alcohol, (ii) a selected ruthenium complex to activate racemization of the racemic alcohol... | 06/22/2004 |
| 6730806 | Process for preparing a carboxylic ester A process for preparing carboxylic esters. A catalytic distillation column filled with acidic catalyst in solid phase is utilized. Alcohol is fed from the bottom of the catalytic distillation column, and carboxylic acid or carboxylic anhydride is fed from the top of... | 05/04/2004 |
| 6552213 | Stereoselective route to produce tris-O-substituted-(E)-1-(3,5-dihydroxyphenyl)-2-(4-hydroxyphenyl)ethene, an intermediate in the synthesis of trans-resveratrol The present invention relates to a new stereoselective method for the preparation of tris-O-substituted-(E)-1-(3,5-dihydroxyphenyl)-2-(4-hydroxyphenyl)ethene derivative of the formula (I) which is a key intermediate in the synthesis of trans-resverat... | 04/22/2003 |
| 6528679 | Process for producing phenyl esters using palladium-based catalysts A phenyl ester is produced by allowing benzene, a carboxylic acid and molecular oxygen to react with each other in the presence of a catalyst comprising (A) palladium, (B) at least one element selected from elements of groups 13, 14, 15, and 16 and the fo... | 03/04/2003 |
| 6504048 | Flavorant compositions The invention is related to a flavorant composition containing 1'-acetoxychavicol acetate and 1'-acetoxyeugenol acetate derivatives thereof as well as a flavorant acceptable carrier. The flavorant composition may be used for flavoring foods, beverages or ... | 01/07/2003 |
| 6472555 | Process for the production of esters from alcohols using acetic acid as acetylating and clays as catalysts The present invention relates to a process for the preparation of esters from alcohols using acetic acid as acetylating agent and clays as catalysts, which comprises the preparation of esters in a single step from the reaction of aliphatic, acyclic, cycli... | 10/29/2002 |
| 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 |
| 6444843 | Producing method of (hydroxyalkyl) alicyclic carboxylic acids and intermediates for producing the same and producing method of such intermediates (Acyloxyalkyl)aromatic carboxylic acids are produced by partial oxidation of alkyl substituted aromatic compounds which are represented by the following General Formula (1) CHR1 R2 --Ar--(R3)n (1) (where Ar is an ar... | 09/03/2002 |
| 6420596 | Process for the selective esterification of tertiary alcohol by an acid anhydride using a reusable solid catalyst This invention provides a process for the selective esterfication of a tertiary alcohol(I) by an acid anhydride(II) to produce corresponding tertiary ester(III) and carboxylic acid(V), using a reusable solid catalyst(IV) comprising one or more halides of ... | 07/16/2002 |
| 6399828 | Preparation of amphetamines from phenylpropanolamines A process for making compound of formula I ##STR1## from a phenylpropanolamine salt of formula II ##STR2## wherein: R1 is hydrogen or a lower alkyl group; each R2 is independently a hydrogen, halogen, lower alkyl group, lower alkoxy ... | 06/04/2002 |
| 6383499 | Topical medicament for the treatment of psoriasis A topical medicament for the treatment of psoriasis comprises metallic iodine, virgin wax, a variety of oils of animal and plant origin, camphor, chlorophyll and benzoic acid in a pharmaceutically acceptable emollient excipient base.... | 05/07/2002 |
| 6348622 | Vitamin a related compounds and process for producing the same There is provided a compound of the formula[I]: ##STR1## wherein R represents a hydrogen atom or a protective group for a hydroxyl group; and A represents a hydrogen atom, a halogen atom or a group of the formula A1: ##STR2## Q represents Q3: ##STR3#... | 02/19/2002 |
| 6284894 | Preparation of allylic aromatic compounds A process for the preparation of an allylic aromatic compound in which an aromatic amine is reacted first with a nitrite and then with an allylic olefin having an eliminatable terminal substituent. Novel allylic derivatives of disubstituted benzene compou... | 09/04/2001 |
| 6258975 | Process for producing optically active 2-hydroxy-4-arylbutyric acid or its ester Provided is an industrially useful process for producing an optically active 2-hydroxy-4-arylbutyric acid or its ester. An optically active acyloxysuccinic anhydride is reacted with an aromatic compound in the presence of a Lewis acid to produce an optica... | 07/10/2001 |
| 6235949 | Process for the preparation of halogenated derivatives and Lewis acid base catalysts thereof A process for the preparation of halide compounds, preferably aryl halides, by contacting a gaseous mixture of hydrohalic acid and a compound selected from an aryl halogen formate, an aryl carbonate and equivalents thereof with a Lewis acid catalyst.... | 05/22/2001 |
| 6218568 | Process for preparing a 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl)methoxy-1,3-propanediol derivative Process for preparing intermediates of formula (III) ##STR1## wherein Y1 is acyloxy, wherein acyl is of the formula R--C(O)--, wherein R is alkyl of 1-6 carbon atoms, Y2 is aralkyloxy, and Z is benzoyloxy or acyloxy, wherein acyl is ... | 04/17/2001 |
| 6215017 | Process for preparing a 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl)methoxy-1,3-propanediol derivative Intermediates of Formula (III) ##STR1## wherein Y1 is acyloxy, wherein acyl is of the formula R--C(O)--, wherein R is alkyl of 1-6 carbon atoms, Y2 is aralkyloxy, and Z is benzoyloxy or acyloxy, wherein acyl is as defined above. Inte... | 04/10/2001 |
| 6207857 | Precursor compounds The compounds of the formula I ##STR1## are precursors for organoleptic and antimicrobial compounds. The latter are generated in the presence of skin bacteria, enzymes or acidic or alkaline conditions. One precursor molecule can provide one or more differ... | 03/27/2001 |
| 6187821 | Benzene compound and pharmaceutical use thereof A benzene compound of the formula: ##STR1## wherein each symbol is as defined in the specification; an optically active isomer or salt thereof, a medicinal composition containing the same, and an immunosuppressant containing the same as the active ingredi... | 02/13/2001 |
| 6166075 | Antiestrogens, process for their production and their pharmaceutical use This invention relates to new antiestrogens of the general formula ##STR1## in which the substituents have the meanings that are explained in more detail in the description. The new compounds are a) pure antiestrogens or b) antiestrogens with partial... | 12/26/2000 |
| 6114572 | Substituted phenols and thiophenols useful as antioxidant agents The present invention provides compounds of the formula ##STR1## wherein X is selected from the group consisting of ##STR2## Y is thio, oxy or a methylene group; Z is hydrogen or --C(O)--(CH2)m --Q wherein Q is hydrogen or ... | 09/05/2000 |
| 6100425 | Process for the preparation of an intermediate useful in the synthesis of iodinated contrast media A process for the preparation of the compound L-5-(2-acetoxypropionylamino)-2,4,6-triiodoisophthaloyl dichloride by reacting 5-amino-2,4,6-triiodoisophthaloyl dichloride with L-2-acetoxypropionyl chloride in N,N-dimethylacetamide as a solvent, charac... | 08/08/2000 |
| 6046354 | Diacyloxy propanol derivatives A novel glycerol derivative, a process for preparing the same, and a process for preparing a triazole derivative. An optically active 2-arylglycerol derivative which is novel and useful as a synthetic intermediate of medicament is provided, and furthermor... | 04/04/2000 |
| 6040446 | Process for preparing a 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl) methoxy-1,3-propanediol derivative Process and novel intermediates for preparing the L-mono-valine ester of 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl)methoxy-1,3-propanediol and its pharmaceutically acceptable salts. The present process and intermediates provide for reduced impurities in the... | 03/21/2000 |
| 6013649 | Thiol sulfone metalloprotease inhibitors This invention is directed to proteinase (protease) inhibitors, and more particularly to thiol sulfone inhibitors for matrix metalloproteinase 13(MMP-13), compositions of proteinase inhibitors, intermediates for the syntheses of proteinase inhibitors, pro... | 01/11/2000 |
| 5986129 | Process for producing rhein and diacerhein The following description sets forth a process for producing rhein, diacerhein and other diacyl derivatives thereof, which comprises the following steps: treatment of a diphenylketone ##STR1## in which R1 is --OR', --NR'R", --SR', where R'... | 11/16/1999 |
| 5986095 | Enantioselective preparation of halophenyl alcohols and acylates A process is described for preparing a compound of the formula or the S-enantiomer thereof, wherein: R is alkyl, aryl, cycloalkyl, aralkyl, or cycloalkylalkyl, R1 is halogen; R2 is halogen, alkyl, cycloalkyl, aryl or ##STR1## wherein... | 11/16/1999 |
| 5981792 | Process for the production of 1-functional allylalcohol carboxylic esters The process for preparing 1-functional allyl alcohol carboxylic esters comprises reacting a 3-functional allyl alcohol with the anhydride of the carboxylic acid at temperatures above 100° C. in the presence of metal compounds of transition groups V to VI... | 11/09/1999 |
