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| Number | Title | Issue Date |
| 7964749 | Process for obtaining valine derivatives useful for obtaining a pharmaceutically active compound The invention provides a method for obtaining the intermediate (II), useful for manufacturing Valsartan and a drug directed to a treatment of arterial hypertension or heart failure. The process comprises a) Imination of the aldehyde group of a compound (VII) by L-Va... | 06/21/2011 |
| 7629483 | Peroxidic perfluoropolyethers Peroxidic perfluoropolyethers having formula: X1—O(CF2O)n1(CF2CF2O)m1(CF2(CF2)zCF2O)p1(O)h—X2 (I) | 12/08/2009 |
| 7393961 | Polyhalogenated ethers (Per)haloethers having formula: X-(Rf)L-O—CF2CF2—O—CX1X2—CFX3X4 , (I) process for obtaining them and hypofluorites usable in the synthesis of said (per)hal... | 07/01/2008 |
| 7247740 | Method for producing perfluoroalkane sulfonic acid esters and the salts thereof The present invention relates to a process for the preparation of perfluoroalkanesulfonic acid esters and to the further conversion thereof into salts, and to the use of the resultant compounds in electrolytes and in batteries, capacitors, supercapacitors and electr... | 07/24/2007 |
| 7102023 | Protecting groups useful in the synthesis of polysaccharides, natural products, and combinatorial libraries One aspect of the present invention relates to optionally substituted halogenated benzyl halides and the like. These compounds are useful as halogenated benzyl ether-based protecting groups for a variety of functional groups. Another aspect of the present invention ... | 09/05/2006 |
| 6214435 | Aminium compounds and optical information recording media containing the same A novel aminium compound exhibiting excellent solubility for solvents and high safety in terms of handling and environment is provided. An aminium compound represented by the following formula (1): ##STR1## wherein R1 represents substituted or unsub... | 04/10/2001 |
| 6111102 | Processes for preparing sulfonylureas Compounds of the formula I or salts thereof, in which X is oxygen, --O--NR2 -- or --SO2 --NR2 --, and Y is N or CH, R1 is (C1 -C6)alkyl, (C2 -C6)alkenyl or (C2 -... | 08/29/2000 |
| 5912379 | Processes for preparing sulfonylureas Processes for preparing sulfonylureas Compounds of the formula I or salts thereof, ##STR1## in which X is oxygen, --O--NR2 -- or --SO2 --NR2 --, and Y is N or CH, R1 is (C1 -C6)alkyl, ... | 06/15/1999 |
| 5892088 | Sulfamate compound containing N-substituted carbamoyl group and method for preparing the same There are disclosed novel sulfamate compounds containing N-substituted carbomoyl group including their racemates and (R)- and (S)-optical isomers represented by Formulas I, II and III, pharmaceutically useful for the prophylaxis and treatment of the disor... | 04/06/1999 |
| 5716990 | Drug delivery systems Nitrogen mustard pro-drugs of the formula ##STR1## are disclosed where R is the residue of an -amino acid RNH2 and M is a disubstituted amino "mustard" group, useful in antibody directed enzyme pro-drug therapy in the treatment of c... | 02/10/1998 |
| 5658951 | Diphenylcyclopropyl analogs Diphenylcyclopropyl analogs in which one or more of the phenyl rings includes alkoxy substituents including a dialkylaminoalkoxy group, an unsubstituted piperazine alkoxy group, a substituted piperazine alkoxy group, an unsubstituted piperidine alkoxy gro... | 08/19/1997 |
| 5596017 | Sulfamide derivatives Novel pesticidal sulfamide derivatives of the formula ##STR1## in which X is halogen or C1 -C4 -halogenoalkyl, R1 is C1 -C4 -alkyl or C1 -C4 -halogenoalkyl, R2 is hydrogen ... | 01/21/1997 |
| 5563174 | Hydrazone compound and insecticide containing said compound as active ingredient A hydrazone compound of the general formula (I): ##STR1## wherein X is halogen; R1 is hydrogen, optionally substituted C1 -C4 alkyl or optionally substituted C1 -C4 alkoxy; R2 's are i... | 10/08/1996 |
| 5468466 | Compositions of iodophenyl sulfonates for X-ray visualization of the gastrointestinal tract Disclosed are contrast agents of the formula ##STR1## contained in aqueous compositions and methods for their use in diagnostic radiology of the gastrointestinal tract wherein ##STR2## Z=H, halo, C1 -C20 alkyl, cycloalkyl, ... | 11/21/1995 |
| 5372800 | Compositions of iodophenyl esters and iodophenyl sulfonates in film-forming materials for visualization of the gastrointestinal tract Disclosed are x-ray contrast compositions for oral or retrograde examination of the gastrointestinal tract comprising a polymeric material capable of forming a coating on the gastrointestinal tract and an x-ray producing agent of the formula ##STR1##... | 12/13/1994 |
| 5235084 | Method for preparing sulfones A method for preparing a sulfone represented by the following formula: ##STR1## wherein R and R' each represent a lower alkyl group, an aryl group or an aryl group whose nucleus has at least one substituent selected from the group consisting of a hal... | 08/10/1993 |
| 5194651 | Tosylation of alcohols A process is disclosed for the preparation of aliphatic toluenesulfonates. The process comprises reacting a solution of an aliphatic alcohol and an alkali metal hydroxide in a solution of an aprotic solvent with toluenesulfonyl chloride for from about 1 t... | 03/16/1993 |
| 5189165 | Process for the preparation of 1,1-disubstituted cyclopropane derivatives A process for preparing a compound I ##STR1## with A=t-butyl, aryl and R=alkyl, alkenyl, alkynyl, alkenynyl, cycloalkyl(alkyl), aryl, arylalkyl, alkyl-S-(-O)-aryl by reacting a compound III ##STR2## with a compound IV ##STR3## under th... | 02/23/1993 |
| 5089046 | Aryl and heteroaryl diones Cyclic 1-one-2-ene-3-ol compounds substituted in 2-position by an aroyl or heteroaroyl group bearing a hydrocarbylsulfonyloxy or hydrocarbylsulfonylamino substituent exhibiting herbicidal activity.... | 02/18/1992 |
| 5041641 | Pentafluorophenyl derivatives, methods of production thereof, and method of optical resolution of chiral carboxylic acids Pentafluorophenyl derivatives are expressed by the formula (I): ##STR1## where X represents an alkyl group having from 1 to 4 carbon atoms or a halogen atom; Y represents any group of --CH2 OH, --COOH, --COCl, --CON1 R2 | 08/20/1991 |
| 4931579 | Indicators for the detection of thiol groups Indicators for the detection of thio groups are disclosed together with processes for the preparation of such indicators. The indicators of the invention contain compounds having the following general formula ##STR1##... | 06/05/1990 |
| 4837307 | [1,1'-biphenyl]compounds having a 2,2'-(alkyl)bridge and a 3-yl(substituted)methyl substituent A 2,2'-bridged[1,1'-biphenyl]-3-ylmethyl compound of the following formula is an intermediate to insecticidal esters. ##STR1## wherein n is 1-4 and Y is a leaving group readily displaced by carboxylate anions.... | 06/06/1989 |
| 4826528 | Herbicidally effective sulfonylureas This invention relates to sulfonylureas of the formula ##STR1## These compounds are useful in killing weeds and in regulating the growth of cultivated plants.... | 05/02/1989 |
| 4792569 | Anticonvulsant phenethyl sulfamates Sulfamates of the following formula (I) are anticonvulsants and are useful in the treatment of epilepsy: ##STR1## wherein R is one or more substituents such as alkyl, halo, alkoxy, CH3 or nitro; and x is 0-3.... | 12/20/1988 |
| 4668792 | Intermediates to insecticidal [1,1'-biphenyl]-3-ylmethyl esters Substituted [1,1'-biphenyl]-3-ylmethyl compounds carrying leaving groups are intermediates to insecticidal esters.... | 05/26/1987 |
| 4569928 | Anti-parasitic esters Novel esters in all possible isomeric forms and mixtures thereof of the formula ##STR1## wherein R is selected from the group consisting of (a) optionally unsaturated alkyl of 1 to 18 carbon atoms and optionally unsaturated cycloalkyl or cycloal... | 02/11/1986 |
| 4514418 | 2,2-Dihalogeno-3,3-dimethylcyclopropane derivative fungicides A 2,2-dihalogeno-3,3-dimethylcyclopropylmethyl derivative of the formula ##STR1## in which X and Y each independently is halogen, R is a hydrogen atom or a methyl group, Z is a cyano group, a thiocyano group, a group of the formula ##STR2## or a gro... | 04/30/1985 |
| 4489092 | Prostanoic acid derivatives and their preparation Prostanoic acid derivatives of the formula ##STR1## wherein R1 is an acid, ester, amide or hydroxyalkylene group; R2 and R3 are H or alkyl; R4 and R5 are both CH3 or one is Cl and the ... | 12/18/1984 |
| 4459304 | Combating pests with 2-anilino-3,5-dinitro-benzotrifluorides 2-Anilino-3,5-dinitro-benzotrifluorides of the formula ##STR1## in which X is O, S, SO or SO2, n is 1, 2, 3 or 4, R1 is haloalkyl, haloalkoxyalkyl, phenyl, halophenyl, haloalkylphenyl, haloalkoxyphenyl, haloalkylmercaptophenyl or hal... | 07/10/1984 |
| 4458083 | Cyclo pentene derivatives Racemic mixtures and optically active isomers of (S-5S)--amino-3-chloro--isoxazoline-5-acetic acid (AT-125). Provides process for preparing AT-125 and its analogs and intermediates used in the process. This case is a continuation of S... | 07/03/1984 |
| 4434104 | Preparation of high purity di-lower alkyl naphthalenedisulfonates Disclosed is an improved process for preparing di-lower alkyl naphthalenedisulfonyl by employing a naphthalenedisulfonate chloride and a stoichiometrically excess amount of an aliphatic alcohol and allowing them to react in the presence of an aqueous solu... | 02/28/1984 |
| 4427686 | Pharmacologically active benzopyranotriazole compounds A compound of the formula (I): ##STR1## wherein R1 is hydrogen or C1-6 alkyl; R2, R3 and R4 are the same or different and are chosen from hydrogen, hydroxyl, halogen, C1-4 alkyl, C1-4 | 01/24/1984 |
| 4357159 | Haloethylthienylsulphonates for the regulation of plant metabolism A composition and a method for regulating the plant-metabolism, especially for promoting the abcission of citrus fruit and olives are disclosed, which use as active component a sulphonyl ester of the formula ##STR1## wherein R1 is an alkyl... | 11/02/1982 |
| 4344893 | Pesticide compounds Novel compounds are described which are substituted benzophenone hydrazones. They have pesticidal activity, especially against insects and acarids, and pesticidal compositions and methods are described. Methods of making the compounds, and novel intermedi... | 08/17/1982 |
| 4335057 | 4-(2',2,2'-Trihalogenoethyl)-cyclobutane-1-sulfonic acid salts with optically active bases There is described a new process for the preparation of optically active 2-(2',2'-dihalogenovinyl)-cyclopropane-1-carboxylic acids substituted in the 3 position, and derivatives thereof. A racemate of certain cyclobutanones is reacted with a sulfurous aci... | 06/15/1982 |
| 4299967 | Process for producing optically active 2-(2,2-dihalogenovinyl)-cyclopropane-1-carboxylic acids substituted in the 3-position, and derivatives thereof, as well as novel 4-(2,2,2-trihalogenoethyl)-cyclobutane-1-sulfonic acid salts There is described a new process for the preparation of optically active 2-(2',2'-dihalogenovinyl)-cyclopropane-1-carboxylic acids substituted in the 3 position, and derivatives thereof. A racemate of certain cyclobutanones is reacted with a sulfurous aci... | 11/10/1981 |
| 4284646 | Prostanoic acid derivatives and their preparation Prostanoic acid derivatives of the formula ##STR1## wherein R1 is an acid, ester, amide or hydroxyalkylene group; R2 and R3 are H or alkyl; R4 and R5 are both CH3 or one is Cl and the ... | 08/18/1981 |
| 4259350 | Iodopropargyl derivatives, their use and preparation Iodopropargyl derivatives of formula: [wherein R represents an alkanoyl group (which may be unsubstituted or have one or more halogen, cyano, substituted or unsubstituted -phenoxy or phenyl substituents) an alkenoyl group (optionally phenyl-substituted)... | 03/31/1981 |
| 4255351 | Sulfonic acid esters of 2,2,2-trichloroethylhydroxycyclobutanones Compounds of the formulae Ia, Ib, IIa and IIb ##STR1## are described, wherein R represents alkyl, haloalkyl, benzyl, naphthyl or substituted or unsubstituted phenyl and one of R1 and R2 represents methyl and the other represents... | 03/10/1981 |
| 4178381 | C-homoestratrienes C-homoestratrienes of the formula ##STR1## wherein ##STR2## R1 and R2 are the same or different, and each is hydrogen, acyl, alkyl, cycloalkyl or tetrahydropyranyl; and R3 is hydrogen, ethynyl or chloroethynyl; p... | 12/11/1979 |
