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| Number | Title | Issue Date |
| 7671230 | Derivatization and solubilization of insoluble classes of fullerenes This invention provides improved methods for the derivatization and solubilization of fullerenes, which are particularly useful for those fullerenes that are normally insoluble and which are specifically applied, among others, to endohedral fullerenes, including end... | 03/02/2010 |
| 7411084 | Method of preparing phenoxy alkanoic, alkenoic, and alkynoic acids and salts thereof via a dicarboxylate intermediate The present invention relates to a method of preparing a phenoxy alkanoic, alkenoic, or alkynoic acid or a salt thereof from a phenoxy containing compound via a dicarboxylate intermediate. The phenoxy alkanoic, alkenoic, and alkynoic acids and salts thereof prepared... | 08/12/2008 |
| 7226991 | Phenylalanine derivatives Disclosed herein are phenylalanine derivative compounds of the following formula W—Y—(AA)n—Z wherein Y is a phenylalanyl radical, AA is an amino acid, n is an integer of 1 to 15, and substituent variables W and Z are as described... | 06/05/2007 |
| 7208621 | Malonic acid monomethyl derivatives and production process thereof A novel monomethyl malonate derivative is represented by following Formula (I): wherein X is a halogen atom; and Me is methyl group. This compound can be prepared by the steps of (A) reacting a benzyl halide deri... | 04/24/2007 |
| 7186831 | 5-halo-2-alkyl[1,2,4]triazolo[1,5-a]pyrimidin-7-amines This invention relates to novel triazolopyrimidines of the formula in which R1, R2, R3, R4and X have the meanings given in the disclosure, to a... | 03/06/2007 |
| 7169329 | Carbon nanotube adducts and methods of making the same The invention provides an adduct comprising a carbon nanotube and a transitional metal coordination complex, wherein the metal of the complex is attached by a covalent linkage to at least one oxygen moiety on the nanotube. ... | 01/30/2007 |
| 7163956 | Substituted fullerene compositions and their use as antioxidants This patent discloses a substituted fullerenes, compositions comprising the same, and their use as antioxidants. The substituted fullerenes comprise a fullerene core (Cn) and at least one of: (i) from 1 to 6 (>CX1X2) groups bonded to the fuller... | 01/16/2007 |
| 7109369 | Malonic acid monomethyl derivatives and production process thereof A novel monomethyl malonate derivative is represented by following Formula (I): wherein X is a halogen atom; and Me is methyl group. This compound can be prepared by the steps of (A) reacting a benzyl halide deri... | 09/19/2006 |
| 7097789 | Thermoplastic containers exhibiting excellent protection to various ultraviolet susceptible compounds Novel thermoplastic articles that contain novel ultraviolet absorbing compounds that are liquid in nature, are extremely low in color (and thus permit use without the concomitant necessity of adding large amounts of other coloring agents to combat any discoloring wi... | 08/29/2006 |
| 7094918 | Low-color ultraviolet absorbers for thermoplastic and thermoset high UV wavelength protection applications Novel ultraviolet absorbing compounds that are liquid in nature, are low in color (and thus permit use without the concomitant necessity of adding large amounts of other coloring agents to combat such discoloring), and are highly effective in providing protection in... | 08/22/2006 |
| 7094894 | Fungicidal triazolopyrimidines, method for the production thereof, use thereof for controlling harmful fungi, and agents containing said fungicidal triazolopyrimidines Disclosed are a method for producing fungicidal triazolopyrimidine compounds, agents containing said compounds, and the use thereof for controlling harmful fungi. Also disclosed are triazolopyrimidines of formula (I), in which the substituents have the following mea... | 08/22/2006 |
| 7038047 | Substituted 6-(2-methoxyphenyl) triazolopyrimides as fungicides Substituted 6-(2-methoxy-phenyl)-triazolopyrimidines of formula I in which R1 and R2 independently denote hydrogen or alkyl, alkenyl, alkynyl, or alkadienyl, halo... | 05/02/2006 |
| 6867310 | Arylation and vinylation of activated carbons The present invention provides transition-metal-catalyst-based methods for the arylation and vinylation of activated methyl, methylene, and methine carbons with aryl halides, vinyl halides, and the like. The methods of the invention provide several improvements over... | 03/15/2005 |
| 6759548 | Dialkyl-halogenophenyl-substituted ketoenols The present invention relates to new compounds of the formula (I) in which X represents alkyl, Y represents halogen or alkyl and Z represents halogen or alkyl, with the proviso that one of the... | 07/06/2004 |
| 6613934 | Enantiomerically enriched malonic acid monoesters substituted by a tertiary hydrocarbon radical, and their preparation The invention relates to enantiomerically enriched malonic acid monoesters -monosubstituted by a tertiary hydrocarbon radical, or their salts, of the general formula I: ##STR1## in which R1, R3, R4 and R5... | 09/02/2003 |
| 6555287 | Non-subliming, difunctionalized ultraviolet dyes for use in anti-reflective coatings An improved light attenuating compound for use in the production of microdevices is provided. Broadly, the light attenuating compound is difunctional and can be directly incorporated (either physically or chemically) into photolithographic compositions su... | 04/29/2003 |
| 6541655 | Catalytic compositions and methods for asymmetric allylic alkylation Complexes of a selected class of chiral ligands with molybdenum, tungsten or chromium, preferably molybdenum, are effective as catalysts in highly enantioselective and regioselective alkylation of allylic substrates.... | 04/01/2003 |
| 6538153 | Method of synthesis of water soluble fullerene polyacids using a macrocyclic malonate reactant A method for synthesizing compounds of the formula ##STR1## where C60 is a C60 fullerene. The method comprises the steps of forming a macrocyclic malonate compound of the formula ##STR2## where each Z is the same or different and is ... | 03/25/2003 |
| 6395921 | Process for preparing [bis-(trifluoromethyl)-phenyl]-acetic acids and alkyl esters thereof and dialkyl [bis-(trifluoromethyl)-phenyl]-malonates [Bis-(trifluoromethyl)-phenyl]-acetic acids are obtained in an advantageous manner by reacting an appropriate bromo- or iodo-bis-(trifluoromethyl)-benzene with a di-C1 -C4 -alkyl malonate in the presence of a deprotonating agent and ... | 05/28/2002 |
| 6307090 | Acylated oligopeptide derivatives having cell signal inhibiting activity The invention relates to an acylated peptide, namely a compound of formula (I), ##STR1## wherein n is 0 to 15, X is oxalyl PTI is the bivalent radical of tyrosine or (preferably) the bivalent radical of phosphotyrosine or a phosphotyrosine mimetic, AA sta... | 10/23/2001 |
| 6165680 | Dissolution inhibitor of chemically amplified photoresist and chemically amplified photoresist composition containing the same A dissolution inhibitor for use in a chemically amplified photoresist, and a chemically amplified photoresist composition containing the same are provided. The dissolution inhibitor is a compound in which an acid-labile di-alkylmalonate group is combined ... | 12/26/2000 |
| 6156925 | Process for the preparation of halogenated phenylmaloates A process for the preparation of dialkyl phenylmalonates of formula I, ##STR1## wherein R, R1, L1 and L2 have the meaning given in the claims which comprises treating an phenylbromide of formula II ##STR2## with ... | 12/05/2000 |
| 6072073 | Carbonyl arylations and vinylations using transition metal catalysts The invention is directed to a process for preparing an alpha-arylated or vinylated carbonyl-containing compounds, comprising reacting a compound having a carbonyl group with an arylating or vinylating compound in the presence of a base and a transition m... | 06/06/2000 |
| 5777152 | Process for preparing 2-aryl-2-chloromalonic diesters 2-Aryl-2-chloramalonic diester is prepared by reacting 2-arylmalonic diesters with aqueous hypochlorite in the presence of an inert solubilizer at pH 8 to 14.... | 07/07/1998 |
| 5756815 | Process for the preparation arylamalonates A process for the preparation of dialkyl arylmalonates of formula I, ##STR1## comprises treating an arylmethlhalide of formula II ##STR2## with magnesium in an inert solvent, and a dialkyl carbonate or an alkyl chloroformate. A and R are as defi... | 05/26/1998 |
| 5750766 | Process for the preparation of arylmalonates An effective and efficient process for the preparation of dialkyl arylmalonates of formula I, ##STR1## (ring A and R are defined in the specification). In this process, an arylmethylhalide of formula II ##STR2## is treated with magnesium in... | 05/12/1998 |
| 5688992 | O-malonyltryrosyl compounds, O-malonyltryrosyl compound-containing peptides, and use thereof The present invention relates to non-phosphorus containing O-malonyltryrosyl compounds, derivatives thereof, uses of the O-malonyltryrosyl compounds in the synthesis of peptides, and O-malonyltryrosyl compound-containing peptides. The O-malonyltyrosyl ... | 11/18/1997 |
| 5618907 | Thallium catalyzed multidimensional ester oligomers The yield of fully substituted, multidimensional aromatic hubs in the condensation of hydroxyl and acid halide functionalities is improved by adding a thallium catalyst, such as thallium ethoxide (Tl--OC2 H5), in the solvent.... | 04/08/1997 |
| 5508025 | Naphthalenemethylenemalonic diesters, and UV absorbers and cosmetic compositions containing the diesters The invention relates to UV absorbers and cosmetic compositions containing a naphthalenemethylenemalonic diester represented by the following formula (1): ##STR1## wherein NAP represents a naphthalene group which may optionally have a substituen... | 04/16/1996 |
| 5478964 | N-fluorosulfonimides and their application as fluorinating agents The invention describes N-fluorosulfonimides which are useful as fluorinating agents. The N-fluorosulfonimides are stable, easily synthesized, and allow the introduction of fluorine into organic compounds under mild conditions.... | 12/26/1995 |
| 5463020 | Preparation of polytetrahydrofuran or tetrahydrofuran/alkylene oxide copolymers Polytetrahydrofuran or C2 -C10 -alkylene oxide/tetrahydrofuran copolymers having a molecular weight of from 250 to 20,000 Dalton are prepared by the cationic polymerization of tetrahydrofuran or tetrahydrofuran and C2 -C | 10/31/1995 |
| 5442093 | Process for preparing intermediates for the synthesis of antifungal agents Disclosed is a process for preparing compounds of the formula I ##STR1## wherein R is C1 -C6 alkyl, comprising heating a mixture of a difluorobenzene derivative, allene, a dialkyl malonate of the formula CH2 (CO2... | 08/15/1995 |
| 5391811 | Process for the preparation of -fluoro-ଲ-dicarbonyl compounds -fluoro-ଲ-dicarbonyl compounds are prepared by reacting a halogenated dicarbonyl compound at temperatures of 20° to 100° C. with an addition product of hydrogen fluoride and a trialkylamine. This process is easy to carry out in technical te... | 02/21/1995 |
| 5312999 | Propoxybenzene derivatives and process for preparing the same Propoxybenzene derivatives represented by the following formula ##STR1## wherein Ra represents a nitro group, an amino group which may have a protecting group or an --NHCH.dbd.C(COO--C1-6 -Alkyl)2 group, Rb represents a hydrogen... | 05/17/1994 |
| 5102886 | 1'-aminospiro[isoquinoline-4(1H),3'-pyrrolidine]-1,2',3,5'(2H)-tetrones and analogs thereof useful as aldose reductase inhibitors This invention relates to 1'-aminospiro[isoquinoline-4(1H),3'-pyrrolidine]-1,2',3,5'(2H)-tetrones of structural formula (I) ##STR1## wherein: R1 and R2 are independently hydrogen, alkyl containing 1 to 6 carbon atoms, halog... | 04/07/1992 |
| 5093496 | Spiro-isoquinoline-pyrrolidines and analogs thereof useful as aldose reductase inhibitors This invention relates to spiro-isoquinoline-pyrrolidines and their pharmaceutically acceptable salts thereof, to processes for their preparation, to methods for using the compounds, and to pharmaceutical preparations thereof. The compounds have pharmaceu... | 03/03/1992 |
| 4828764 | N-Fluoro-N-Perfluoromethyl sulfonamides N-fluoro-N-perfluoromethyl sulfonamide compounds are provided as fluorinating agents for the fluorination of organic compounds by either the direct electrophilic fluorination of organic compounds or by the fluorination of organic compound carbanions.... | 05/09/1989 |
| 4829099 | Metabolically acceptable polyisocyanate adhesives Metabolically-acceptable, surgical adhesives are prepared from polyisocyanates having the structral formula: ##STR1## wherein R is a polyvalent aliphatic radical of about 1 to 10 carbon atoms or a polyvalent aromatic radical of 6 to about 24 carbon a... | 05/09/1989 |
| 4808747 | Process for producing alkylidene compounds and arylidene compounds Alkylidene compounds and arylidene compounds are prepared by reacting the corresponding CH-acidic compounds with carbonyl compounds in the presence of a catalyst comprising a metal compound of a metal of Groups IIA, IIIA, IVA, IB, IIB, VIB, VIIB, or VIIIB... | 02/28/1989 |
| 4766141 | Spiro-succinimides for treatment of diabetes complications Spiro-succinimides are disclosed which are useful as aldose reductase inhibitors and as therapeutic agents for the treatment of complications arising from diabetes. Pharmaceutical compositions containing the spiro- compounds and a method of treating diabe... | 08/23/1988 |
