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Class 549/428 - Halogen attached directly or indirectly to the hetero ring by nonionic bonding


Subclass of Class 549 - Organic compounds -- part of the class 532-570 series
Definition: Compounds in which halogen is attached directly or indirectly
No. of patents: 50
Last issue date: 08/26/2008


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NumberTitleIssue Date
7417059Substituted aromatic-ring compounds, process for producing the same and use
The present invention is directed to a class of cyclohexene derivatives bearing sulfamoyl and ester groups which have an inhibitory activity on nitric oxide (NO) production and cytokine production, and are useful as an agent for the prophylaxis and/or treatment of d...
08/26/2008
7361388Liquid-crystalline compounds having a tetrahydropyran ring
The invention relates to liquid-crystalline compounds of formula (I), wherein R11, X11, Z11, Z12, Z13, L11, L12, L13, L14, L15 and L16 have the m...
04/22/2008
7314943Pyran derivatives containing an exocyclic double bond
The invention relates to pyran derivatives of formula I and processes and intermediates for their preparation and derivatisation, and the use thereof in liquid-crystalline media. ...
01/01/2008
7291367Liquid-crystalline compounds
The invention relates to liquid-crystalline compounds of the formula (I) in which R1, R2, A1, A2, A3, A4, Z1, Z2, Z3, a, b and c have the meanings indicated in Claim
11/06/2007
7270856Cyclobutane derivatives
The invention relates to novel cyclobutane derivatives of the formula (I), in which R1, R2, A, Z, m, n and o have the meaning indicated in claim 1, to the use thereof as components of liquid-crystalline media, and to liquid-crystal and e...
09/18/2007
7022865Pyrans as liquid crystals
A tetrahydropyran derivative comprising at least three cyclic rings and one aromatic endgroup of the formula A a process for preparing said tetrahydropyran derivatives, and the use of said tetrahydropyran derivatives as...
04/04/2006
6974607Pyrans as liquid crystals
Tetrahydropyran derivatives having at least one ester group (—CO—O—) and at least one group —CN, —NCS, —F, —Cl, —OCHF2, —OCF3, —CF3, —OCHFCF3, —OCF
12/13/2005
6902777Liquid-crystalline medium
A liquid-crystalline mediums which contain one or more compounds of the formula A and at least one compound of the formula B wherein compounds of formula A contain at lea...
06/07/2005
6825360Bicyclic aromatic compounds
The invention relates to novel bicyclic aromatic compounds which have the general formula (I): as well as to the use of these compounds in pharmaceutical compositions intended for use in human or veterinary medicine (d...
11/30/2004
6812352Multidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions
Multidentate phosphite ligands are disclosed for use in reactions such as hydrocyanation and isomerization. The catalyst compositions made therefrom and the various catalytic processes which employ such multidentate phosphite ligands are also disclosed. In particula...
11/02/2004
6649227Difluorovinyl compound, liquid crystal composition and liquid crystal display
Provided are liquid crystalline compounds having a wide liquid crystal phase temperature range, low viscosity, a large elastic constant ratio K33 /K11 and excellent solubility at low temperature, a liquid crystal composition using th...
11/18/2003
6590110Method for synthesizing C-glycosides of ulosonic acids
The invention is directed to a method for synthesizing C-glycosides of ulosonic acids, as well as intermediates thereof and C-glycosides prepared by this method....
07/08/2003
6472422Analogs of cocaine
The invention provides a compound of formula (I): ##STR1## wherein R1, R2, R3, and Y have any of the meanings defined in the specification; as well a pharmaceutical composition comprising a compound of formula I; intermedi...
10/29/2002
6458433Difluorophenyl derivatives, liquid-crystal compounds, and liquid-crystal composition
Disclosed are liquid crystalline compounds which (i) are characterized in that the compounds have a wide temperature range in which the compounds exhibit a liquid crystal phase, are low in viscosity, and have a negative and large Ɗ&3xb5;, (ii) are readil...
10/01/2002
6384237Pyrylium compound, process for making the same, nucleic acid stain, and labeled nucleic acid
A novel pyrylium compound is represented by the general formula (I): ##STR1## wherein X is oxygen or sulfur, Y- is a monovalent anion, n is an integer of 2 or 3, and M is hydrogen or an alkali metal. This pyrylium compound functions as a labeli...
05/07/2002
6331625Photochromic spirofluorenopyran compounds
Photochromic spirofluorenopyran compounds corresponding to the general formula (I): ##STR1## in which B, B', R1 to R4 and G have the meanings defined herein. The compounds of the invention are useful in the production of photoch...
12/18/2001
6225466Photochromic spirofluorenopyran compounds
Photochromic spirofluorenopyran compounds corresponding to the general formula (I): ##STR1## in which B, B', R1 to R4 and G have the meanings defined herein. The compounds of the invention are useful in the production of photoch...
05/01/2001
6146718Liquid crystalline compound having a negative dielectric anisotropy value, liquid crystal composition containing the liquid crystalline compound, and liquid crystal display element produced utilizing the liquid crystal composition
The present invention provides a liquid crystal compound having a negative dielectric constant anisotropy value of a large absolute value, a controlled optically anisotropy value, a high resistivity, a high voltage retention, and high stability against he...
11/14/2000
6121312Cyclic ether vitamin D3 compounds and uses thereof
Novel cyclic ether vitamin D3 compounds having a cyclic ether side chain are disclosed. These compounds were first identified as metabolites of 3-epi vitamin D3 produced via a tissue-specific metabolic pathway which catalyzes the formation of a cyclic eth...
09/19/2000
6008350Process for the production of cyanine dyes
The present invention relates to a process for the production of cyanine dyes with their methine chain showing group (M) and the charge compensation occuring by linked end groups through transformation of cationic cyanine dyes comprising group (D) with CH...
12/28/1999
5952376Trienyl compounds
Triene-containing compounds which mimic the chemical and/or biological activity of the spongistatins are provided, as are methods and intermediates useful in their preparation....
09/14/1999
5760073Substituted 4H-pyrans
The substituted 4H-pyrans are prepared by reacting either aldehydes or ylidene compounds with suitably substituted ଲ-diketones. The substituted 4H-pyrans according to the invention are suitable as active compounds in medicaments, in particular for t...
06/02/1998
5753776Liquid-phase fluorination
This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds....
05/19/1998
57236813,3-(disubstituted)cyclohexan-1-01 dimers and related compounds
The present invention relates to novel 3,3-(disubstituted)cyclohexan-1-ol dimers and related compounds, pharmaceutical compositions containing these compounds, and their use in treating allergic and inflammatory diseases and for inhibiting the production ...
03/03/1998
5674949Liquid-phase fluorination
This invention pertains to a method for liquid-phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds....
10/07/1997
5672767Process for preparing polyether compounds
A process for the preparation of a perfluoropolyether having a general formula: ##STR1## as defined hereinbefore, which process includes the direct fluorination with elemental fluorine of a polyether having a general formula: ##STR2## as de...
09/30/1997
5571870Liquid phase fluorination
This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds....
11/05/1996
5539059Perfluorinated polyethers
This invention pertains to perfluoropolyethers and perhalogenated chlorofluoropolyethers that can be prepared by fluorinating addition polymers made by polymerizing epoxides....
07/23/1996
5461117Liquid phase fluorination
This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds....
10/24/1995
5384415Process for the preparation of brominated compounds, especially from alcohols
A process for the preparation of a brominated compound which comprises the step of reacting at least one compound selected from the group consisting of a chloroformate, a chlorosulfite and a chlorophosphite with a brominating agent for a time sufficient t...
01/24/1995
5332790Liquid-phase fluorination
This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds....
07/26/1994
5322903Liquid-phase fluorination
This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds....
06/21/1994
5322904Liquid-phase fluorination
This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds....
06/21/1994
5281720Pyranylphenyl hydroxyalkylnaphthoic acids as inhibitors of leukotriene biosynthesis
Compounds having the formula I: ##STR1## are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, ...
01/25/1994
5254581Pyran derivatives and their use as inhibitors of 5-lipoxygenase
The invention concerns a cyclic ether derivative of the formula I ##STR1## wherein Ar1 is optionally substituted phenyl, naphthyl or a 9- or 10-membered bicyclic heterocyclic moiety; A1 is a direct link to X1 or (1-3C)alky...
10/19/1993
5241086Process for the preparation of brominated compounds, especially from alcohols
A process for the preparation of a brominated compound which comprises the step of reacting at least one compound selected from the group consisting of a chloroformate, a chlorosulfite and a chlorophosphite with a brominating agent for a time sufficient t...
08/31/1993
5093432Liquid phase fluorination
This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds....
03/03/1992
50415452-hydroxybenzophenone hydrazides and derivatives thereof
Hydrazide functionalized 2-hydroxybenzophenone ultraviolet light and heat stabilizers and derivatives are disclosed having the general formula: ##STR1## wherein R1, R2, R3, R4, R5, R6, X, Y...
08/20/1991
4973716Process for preparing perfluoroethers by fluorination with elemental fluorine
A process for fluorinating hydrogenated ethereal compounds by direct reaction with elemental F2 diluted with an inert gas, wherein the starting compound is in the liquid phase, said fluorination being carried out in the presence of a per fluoro...
11/27/1990
4889939Fluoropolyethers containing end groups endowed with anchoring capacity
Compounds suitable for being used as lubricants, having general formula: (I) RO--(C3 F6 O)m --(CFXO)n --CFX--L, or (II) R"CFXO--(C3 F6 O)x (CFXO)y --(C2 F4 ...
12/26/1989
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