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Class 568/583 - Nitrogen containing


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain nitrogen.
No. of patents: 91
Last issue date: 10/07/2008


1      
NumberTitleIssue Date
7432399Diols formed by ring-opening of epoxies
A polyol monomer comprising the formula: R1 and R3 are —H, aliphatic, aromatic, or ether; R2 is aliphatic, aromatic, ester, ether, or acrylic, and R1 contains a hydroxyl group, ...
10/07/2008
7420003Compounds and a novel process for their preparation
The present invention is directed to a procedure for making an enantiomerically enriched compound containing a hydronaphthalene ring structure. The process involves reacting oxabenzonorbornadienes with nucleophiles using rhodium as a catalyst and in the presence of ...
09/02/2008
7244805Bimetallic zinc complex and process of producing polycarbonate using the same as polymerization catalyst
Provided are a bimetallic zinc complex and a method of producing polycarbonate, including polymerizing an epoxy compound and carbon dioxide using the bimetallic zinc complex. The bimetallic zinc complex according to the present invention has a distance between zinc-...
07/17/2007
7223803Polyethylene (glycol) derivatives with proximal reactive groups
An activated, substantially water soluble poly(ethylene glycol) is provided having of a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a hydrolytically stable linkage, wherein the terminus is branched and h...
05/29/2007
7135600Phenethanolamine derivatives for treatment of respiratory diseases
The present invention relates to novel compounds of Formula (I), to a process for their manufacture, to pharmaceutical compositions containing them, and to their use in therapy, in particular their use in the prophylaxis and treatment of respiratory diseases. ...
11/14/2006
7109164Aniline-derived ligands for the thyroid receptor
New thyroid receptor ligands are provided which have the general formula in which: X is —O—, —S—, —CH2—, —CO—, or —NH—; Y is —(...
09/19/2006
7038091Process for producing acetylene compound
There is provided a process for producing an acetylene compound useful as an intermediate of pharmaceuticals, from 4-nitrofluorobenzene, in industrially and economically advantageous manner. Concretely, it is a method for producing an acetylene compound of fo...
05/02/2006
7030278Polyethylene(Glycol) derivatives with proximal reactive groups
An activated, substantially water soluble poly(ethylene glycol) is provided having of a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a hydrolytically stable linkage, wherein the terminus is branched and h...
04/18/2006
7015189Oxime methyl ethers
The use of various novel oxime ethers are described as fragrance chemicals. These chemicals are suitable for use in creating fragrance, and scents in items such as perfumes, colognes and personal care products is disclosed. ...
03/21/2006
6977315Process for producing optically active nitroalcohols
The present invention relates to a process for producing optically active β-nitroalcohols wherein nitroaldol reactions of aldehydes and nitroalkanes are carried out in the presence of a base and an optically active metal complex catalyst represented by the followin...
12/20/2005
6953606Perfluoroalkyl haloalkyl ethers and compositions and applications thereof
Described are compositions comprising perfluoroalkyl haloalkyl ethers and, optionally, surfactant; uses for perfluoroalkyl haloalkyl ether compounds and compositions thereof, optionally comprising surfactant; and perfluoroalkyl haloalkyl ethers. ...
10/11/2005
6930131Aryl substituted 3-ethoxy phenyl trifluoromethane sulfonamides for the treatment of non-insulin dependent diabetes mellitus (NIDDM)
This invention provides compounds of formula I, having the structure wherein R1, R2, R3, R4, A, and B are as defined in the specification, or a pharmaceutically acceptable sa...
08/16/2005
6924263Oxime methyl ethers
The use of various oxime ethers are described as fragrance chemicals, suitable for use in creating fragrance, and scents in items such as perfumes, colognes and personal care products is disclosed. Novel compounds are also disclosed. ...
08/02/2005
6800605Aniline-derived ligands for the thyroid receptor
New thyroid receptor ligands are provided which have the general formula in which: X is —O—, —S—, —CH2—, —CO—, or —NH—; Y is —(CH2)n— where n is an i...
10/05/2004
6740686Process for the manufacture of polyurethane foam, amine polyesterpolyol used in this process and foam obtained
The invention concerns a method for making a polyurethane foam by reacting at least a polyester polyol with at least a polyisocyanate in the presence of a foaming agent and a catalytic agent, such a polyester polyol having been previously obtained by reacting a reac...
05/25/2004
6610866Stereoselective synthesis of 24-hydroxylated compounds useful for the preparation of aminosterols, vitamin D analogs, and other compounds
A method is described for stereoselectively reducing an unsaturated alkyl ketone substituent attached to a fused ring base. In this method, the unsaturated alkyl ketone reacts with a chiral oxazaborolidine reagent. This reaction stereoselectively reduces ...
08/26/2003
6599952Polyether polyols with increased functionality
This invention relates to a process for the preparation an epoxide-reactive compound having a functionality of at least 3, a molecular weight of from about 250 to about 1,900, and an OH number of from about 85 to about 1,400. This process comprises reacti...
07/29/2003
6552088Biphenyl derivatives
Biphenyl substituted amides with activity as antagonists of the neurokinin 1 (NK-1, substance P) receptor....
04/22/2003
6548564Polyether polyols with increased functionality
This invention relates to a process for the preparation of a polyether polyol having a functionality of at least about 3, a molecular weight of from about 560 to about 35,000 and an OH number of from about 10 to about 1,100. This process comprises reactin...
04/15/2003
6486307Preparation of glucosamine hydrochloride
A method of producing glucosamine hydrochloride from chitin by grinding the chitin to a very fine size and digestion with concentrated hydrochloric acid. The glucosamine hydrochloride is decolorized with activated charcoal, washed with ethanol and assayed...
11/26/2002
6465059Liquid-crystalline medium
The invention relates to a liquid-crystalline medium one or more compounds of the general formula IA ##STR1## and one or more compounds of the formula IB ##STR2## R, R*, R**, z, L and Y are defined herein....
10/15/2002
6458837Lipophilic diesters of chelating agents
The invention discloses stable diesters of chelating agents of divalent metal ions, processes for their preparation and pharmaceutical compositions thereof. Most preferred compounds according to the present invention are stable lipophilic diesters compris...
10/01/2002
6437025Poly(ethylene glycol) derivatives with proximal reactive groups
An activated, substantially water soluble poly(ethylene glycol) is provided having of a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a hydrolytically stable linkage, wherein the terminus is bra...
08/20/2002
6380277Iodonium salt photoinitiators containing urethane groups for cationic curing
The present invention relates to iodonium salts containing urethane groups of reduced crystallization tendency, to a process for their preparation, and to their use for the radiation curing of cationically curing compositions....
04/30/2002
6372927Process for preparing alkylene oxide adducts
The process for preparing an alkylene oxide adduct, including the steps of feeding an organic compound having active hydrogen and an alkylene oxide to a reaction column packed with a solid catalyst, and carrying out addition reaction of the organic compou...
04/16/2002
6362254Poly(ethylene glycol) derivatives with proximal reactive groups
An activated, substantially water soluble poly(ethylene glycol) is provided having of a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a hydrolytically stable linkage, wherein the terminus is bra...
03/26/2002
6333080Liquid-crystal alkenyltolan derivative, liquid-crystal composition, and liquid-crystal display element
A liquid crystalline alkenyltolan derivative expressed by the general formula Ct H2t-1 --G--(CH2)m --A1 --B1 --(A2 --B2)n --(A3 --B3)p...
12/25/2001
6281393Polyols useful for preparing water blown rigid polyurethane foam
Mannich polyols having a viscosity of from 300 to 3,500 cps (0.3 to 3.5 Pa*s) at 25° C. are prepared by admixing a phenol, an alkanolamines, and formaldehyde mixed in molar ratios of from 1:1:1 to 1:2.2:2.2 resulting in an initiator which can be alkoxyla...
08/28/2001
6277897Photoinitiators and applications therefor
The present invention is directed to new, energy-efficient photoinitiators in the form of ଱-amino enol ether compounds. The present invention is also directed to a method of generating reactive species, which includes exposing one or more photoiniti...
08/21/2001
6245947Treatment for polyether polyols
A process for treating polyether polyols prepared in a conventional manner by base-catalyzed reaction of H-functional initiator substances with alkylene oxides comprises a combination of a thermal-reactive step at a pH of less than 7 and a temperature abo...
06/12/2001
6191315Haze free polyether polyol compositions and a method for their preparation
Most generally, the invention provides a method for making a neutralized polyether polyol, comprising the steps of a) Polymerizing one or more alkylene oxides in the presence of an alkaline catalyst to form a polyalkylene oxide intermediate; and b) Neutralizin...
02/20/2001
6093799Universal linker for combinatorial synthesis
A substrate for solid phase synthesis of the formula: ##STR1## is disclosed. Also disclosed are processes for preparing the substrate and intermediates useful therein. Among the novel intermediates are compounds of the formula: ##STR2## whe...
07/25/2000
6022937Polyether polyols based on triazole group containing compounds and a process for their production
This invention relates to novel polyether polyols and to a process for their production. These polyether polyols are prepared by forming a polyhydroxyl group containing component in a first step by the reaction of a triazole-group containing compound with...
02/08/2000
6008321Universal linker for combinatorial synthesis
A substrate for solid phase synthesis of the formula: ##STR1## is disclosed. Also disclosed are processes for preparing the substrate and intermediates useful therein. Among the novel intermediates are compounds of the formula: ##STR2## whe...
12/28/1999
5945393Nonionic gemini surfactants
Novel nonionic gemini surfactants are extremely effective emulsifiers for oil-in-water emulsions that provide improved detergency at even low concentration levels. The surfactants are characterized by the formula: ##STR1## wherein R1 is in...
08/31/1999
5869715Polyfunctional cationic cytofectins
For use in transporting biologically active species into and through membrane barriers, a cationic amine compound is utilized that has the general structure: ##STR1## wherein R4 and R5 are a pair of same or different lipoyl ...
02/09/1999
5831102Chemiluminescent 3-(substituted adamant-2'-ylidene) 1,2-dioxetanes
Enzymatically cleavable chemiluminescent 1,2-dioxetane compounds capable of producing light energy when decomposed, substantially stable at room temperature before a bond by which an enzymatically cleavable labile substituent thereof is intentionally clea...
11/03/1998
5831114Carbamate herbicides
Substituted N-phenyl- and N-heteroarylalkylcarbamates of formula (I), in which Q is a group (1), (2) or (3); R is halogen, trifluoromethyl, cyano, nitro or C1 -C3 haloalkoxy; Z is hydrogen or halogen; or Z and R together in the 2- an...
11/03/1998
5830244Poly (oxyalkyene) benzyl amine ethers and fuel compositions containing the same
A fuel additive having the formula: ##STR1## wherein R1 and R2 are independently hydrogen or lower alkyl; R3 and R4 are independently hydrogen or lower alkyl and each R3 and R4 is inde...
11/03/1998
5801260Carbonothioate phospholipid analogs as substrate of phospholipases and lipases
Novel substrates of phospholipases, lysophospholipases and lipases are disclosed....
09/01/1998
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