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Class 549/561 - The chalcogen, X, is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens


Subclass of Class 549 - Organic compounds -- part of the class 532-570 series
Definition: Compounds in which the chalcogen, X, is part of a --X- group,
No. of patents: 86
Last issue date: 05/17/2005


1      
NumberTitleIssue Date
6894116S,S′-bis-(α, α′—disubstituted—α″—acetic acid)—trithiocarbonates and polymers thereof for toughening thermosetting resins
A toughener comprising a trithiocarbonate polymer having an epoxy end group is described which is utilized with various thermosettable polymers such as epoxy, polyurethane, and the like. A toughened composition is made by curing the thermosettable polymer and the to...
05/17/2005
675025011,12-oxidoarachidonic acid derivatives and methods of their use in treating dry eye disorders
11,12-Oxidoarachidonic acid derivatives and methods of their use for treating dry eye are disclosed. ...
06/15/2004
6730798Process for the preparation of substituted octanoyl amides
Compounds of formula (II) are simultaneously halogenated in the 5 position and hydroxylated in the 4 position under lactonization, the halolactone is converted into a hydroxylactone and then the hydroxy group into a leaving group, the leaving group is replaced with ...
05/04/2004
6627683Reworkable thermosetting resin compositions and compounds useful therein
Curable compositions, reaction products of which are reworkable through thermal decomposition, are provided. Specific compounds useful in such curable compositions, as well as curable compositions and thermosets incorporating such compounds, are provided ...
09/30/2003
6627685Lightfast epoxy resin
A lightfast epoxy resin is formed by phosgenating Bisphenol A by reaction with phosgene to produce Bisphenol A bischloroformate. The Bisphenol A bischloroformate is then reacted with either epichlorohydrin, glycidol or pinacol and another chemical to prod...
09/30/2003
6559268Perfluoro group-containing compounds and hardened polymer of the same
A perfluoro group-containing compound are represented by the following formula (I): ##STR1## --Rf-- is a perfluoro group; and --A represents --OH or a group: ##STR2## or --Cy F2y+1 or --Cz F2z-1 and a perfluoro ...
05/06/2003
6437045Powder coating of carboxyl polyester or (poly)methacrylate and cycloaliphatic polyepoxide
Powder coating compositions comprise a binder selected from carboxyl-group-containing polyesters, carboxyl-group-containing poly(meth)acrylates and mixtures of the said substances, and one or more epoxy compounds, wherein the epoxy compounds comprise at l...
08/20/2002
6423865Compounds and their application as well as a method of producing liquid crystalline polymers therefrom
The invention relates to compounds with the general formula Y1 --A1 --M1 --A2 --Y2 wherein Y1 and Y2 are different from each other and Y1 is an acrylate or methacrylate res...
07/23/2002
6414168Epoxidation of ricinic compounds using a phase-transfer catalyst
Unsaturated or polyunsaturated, conjugated or nonconjugated hydrocarbons are reacted with an oxidizing agent including hydroperoxides and monopersulfate compounds in the presence of phase-transfer catalysts. Suitable hydrocarbons include ricinic compounds...
07/02/2002
6407268Substituted 4-benzoylpyrazoles
4-Benzoylpyrazoles of the formula I ##STR1## where: R1 and R2 are each hydrogen, mercapto, nitro, halogen, cyano, thiocyanato, C1 -C6 -alkyl, C1 -C6 -haloalkyl, C1 -C6...
06/18/2002
6379590Method for making unsymmetrically substituted fluorenyl compounds for nonlinear optical applications
A new method for producing unsymmetrically substituted fluorenyl compounds, one step of which is the preparation of 2,7-disubstituted fluoren-9-one derivatives via the nucleophilic substitution of a compound of the formula D ##STR1## wherein A' is se...
04/30/2002
6313326Compounds and their application as well as a method of producing liquid crystalline polymers therefrom
The invention relates to compounds with the general formula Y1 --A1 --M1 --A2 --Y2 wherein Y1 and Y2 are different from each other and Y1 is an acrylate or methacrylate res...
11/06/2001
6066751Process for making epoxide intermediates
It has been surprisingly discovered that the disadvantages of the lengthy literature procedures to synthesize 13,14-dihydro prostaglandin A, E, and F derivatives can be overcome using a novel Methyl 7-(2-hydroxy-5-(2-(2-oxiranyl)ethyl)-4-(1,1,2,2 tet...
05/23/2000
6063812Fumagillol derivatives and processes for preparing the same
Compounds useful as angiogenesis inhibiting agents and processes for their preparation are disclosed. In one embodiment, the compounds of the invention are represented by Formula 1: ##STR1## Also disclosed is a pharmaceutical composition for inhibiti...
05/16/2000
6051725Epoxidation of ricinic compounds using a phase-transfer catalyst
Unsaturated or polyunsaturated, conjugated or nonconjugated hydrocarbons are reacted with an oxidizing agent including hydroperoxides and monopersulfate compounds in the presence of phase-transfer catalysts. Suitable hydrocarbons include ricinic compounds...
04/18/2000
59903263-oxiranyl benzoic acids and derivatives thereof
The present invention relates to compounds of the formula ##STR1## or a pharmaceutically acceptable salt thereof wherein R is alkyl of 12 carbon atoms, alkenyl of 12 carbon atoms having from 1 to 4 --CH.dbd.CH-- groups when the carbon adjacent to R i...
11/23/1999
5866036High tilt ferroelectric liquid crystal compounds and compositions
Chiral nonracemic molecules which are useful as high tilt, high polarization and/or high birefringence FLC materials or are useful as components of such FLC materials and which have the following general structure are provided: RO--(Ph1)m
02/02/1999
5814612Retinol derivatives and uses thereof
The present invention provides a purified retinoid compound characterized by a molecular mass of about 320 daltons and an atomic composition of C20 H32 O3. The present invention also provides a purified retinoid compound h...
09/29/1998
5783712Vinyl ether compounds having additional functional groups other than vinyl ether groups and the use thereof in the formulation of curable compositions
The invention relates to compounds having at least one vinyl ether group which also contain in the molecule at least one further functional group selected from acrylate, methacrylate, epoxy, alkenyl, cycloalkenyl and vinylaryl groups, to compositions, esp...
07/21/1998
5547983Aromatic and polycyclic compounds and their use in human or veterinary medicine and in cosmetics
Aromatic bicyclic compounds of formula (I) ##STR1## where R.sub.1 is specifically --H, CH.sub.3, --CH.sub.2 OH, --OH, --CHO, --CONH.sub.2, --COOH, --COOalkyl, --SH, S-alkyl, etc. . . . ; R.sub.2 is H; R.sub.3 is H, aryl, aralkyl or lower alkyl option...
08/20/1996
5514818Resolution of stereoisomers of aliphatic epoxides
A method of resolving a mixture of stereoisomers of an aliphatic epoxide containing two or less oxygen atoms is provided. The method comprises utilizing a polysaccharide or a derivative thereof as a resolving agent....
05/07/1996
5491244Acrylate ester
The present invention concerns a method for the production of olefin anhydrides, such as acrylic anhydride and methacrylic anhydride, via reactions between an aromatic acid chloride, such as benzoyl chloride, and carboxylate ions of the olefin acid corres...
02/13/1996
5480899Oxazolidine derivatives and pharmaceutically acceptable salts thereof
An oxazolidine derivative represented by the formula (I) ##STR1## wherein R1, R2 and R3 are H, optionally halogenated alkyl, optionally halogenated alkoxy, OH, halo, NO2, amino optionally having acetyl or a...
01/02/1996
5481012Process for selective epoxidation of unsaturated (meth)acrylic compounds and new bifunctional (meth)acrylates obtained
Process for the epoxidation of an unsaturated (meth)acrylic compound of formula: ##STR1## in which R1 is chosen from H and C1 -C5 -alkyl; R2 is chosen from H, alkyl and aryl; R3 is a straight-cha...
01/02/1996
5354511Unsymmetrically substituted fluorenes for non-linear optical applications
Compounds having non-linear optical activity of the general formula ##STR1## wherein D and A are electron donor and acceptor groups, respectively, R1 and R2 are aromatic bridging groups, X and Y are preferably groups capable of ...
10/11/1994
5334748Fungicides
Fungicidal compounds of the formula (I): ##STR1## and stereoisomers thereof, wherein K is oxygen or sulphur; Z is optionally substituted aryl or optionally substituted heteroaryl; X is O, S(O)n, NR4, CR1 R2...
08/02/1994
5319113Preparation of liquid crystalline di(alkoxyglycidyl) compounds, and their use in curable epoxide mixtures
The invention relates to new, liquid crystalline di(alkoxyglycidyl) compounds of optionally ring substituted 1,4-dibenzoyloxybenzenes in which an alkoxy group consisting of 2 to 8 carbon atoms is incorporated between the glycidyl groups and the 1,4-dibenz...
06/07/1994
5292891Optically active 2,2-dimethyl-1,3-dioxin-4-ones and method for preparing same and method for preparing optically active compound for synthesis of physiologically active substance and optically active intermediate compound
There are provided novel and optically active 2,2-dimethyl-1,3-dioxin-4-ones which are useful as starting materials for physiologically active compounds, functional materials or the like. Provided are optically active 5,6-epoxyhexanoic acid esters and nov...
03/08/1994
5256800Optically active 2,2-dimethyl-1,3-dioxin-4-ones and method for preparing same
There are provided novel and optically active 2,2-dimethyl-1,3-dioxin-4-ones which are useful as starting materials for physiologically active compounds, functional materials or the like. Furthermore, a method for preparing an optically active compound co...
10/26/1993
5232897Herbicidal pyrimidine compounds, compositions containing the same and method of use
Herbicidal pyrimidine compound having the formula ##STR1## wherein the substitutents A, R1, R2, X, Y1, Y2, Y3 and Z are as defined herein below....
08/03/1993
5187298Monomers and their use for the production of a laser-optical recording element which can be repeatedly erased and recorded on
Novel laser-optical recording elements which can be repeatedly erased and recorded on contain recording layers (a) which exhibit enantiotropic, ferroelectric smectic liquid crystalline (SC*) behavior, so that they can be switched back and forth...
02/16/1993
5183910Process and intermediates for chiral epoxides
Chiral epoxybutyrates are prepared in high yield from novel dihydro-3R-substituted sulfonyloxy-4R-hydroxy-2-(3H)furanones via based catalyzed alcoholysis. The product chiral epoxy butyrates are useful intermediates for the synthesis of 1-carba-1-dethia ce...
02/02/1993
5180735Cyclohexanol derivatives, production and use thereof
The present invention relates to a compound of the formula: ##STR1## wherein A is halogen, N(O)mR1 R2, N.sym. R1 R2 R3 .multidot.X.crclbar., S(O)nR1 or S.sym.
01/19/1993
5177226Perfluoropolyethers free from peroxidic oxygen and containing perfluoroepoxy groups positioned along the perfluoropolyether chain, and their derivatives
Perfluoropolyethers having fluorinated epoxy groups positioned along their perfluoropolyether chain, and free from peroxidic oxygen, are obtained by means of a low-temperature oxidation process, in the liquid phase, with molecular oxygen and in the presen...
01/05/1993
5166373Acyclic terpenes
The present invention provides novel acyclic terpenes of the formula: ##STR1## which are useful as intermediates for the industrially advantageous production of sarcophytol A....
11/24/1992
5149843Conjugated diene compounds
Conjugated diene compounds of the general formula: ##STR1## which are industrially advantageous intermediates for preparing sarcophytol A useful as an anticarcinogenic promotor or antitumor agent are provided....
09/22/1992
5136061Optically active pentane derivatives and intermediates thereof, and process for manufacturing same
An optically active pentane compound of the general formula (I): ##STR1## wherein R1 represents a lower alkyl group having 1 to 4 carbon atoms, R2 represents a lower alkoxycarbonyl group having an alkoxy moiety of 1 to 4 carbon ...
08/04/1992
5116981Antiinflammatory leukotriene B4 analogs
This invention encompasses novel analogs of Leukotriene B4 which are selected from a compound of formula I, B--C.apprxeq.C--CH2 C(M2)--C.apprxeq.C--Y--C(M1)--A, or formula II, B--C.apprxeq.C--CH2 C(M
05/26/1992
5100460Herbicidal compounds and compositions containing them
Herbicides of formula: ##STR1## in which: n=0,1, 2 f=0,1 A is chosen from the groups ##STR2## in which: Ar is chosen from the groups ##STR3## B is chosen from optionally substituted C1 -C10 alkyl and C3...
03/31/1992
5097049Process and intermediates for chiral epoxides
Chiral epoxybutyrates are prepared in high yield from novel dihydro-3R-substituted sulfonyloxy-4R-hydroxy-2-(3H)furanones via based catalyzed alcoholysis. The product chiral epoxy butyrates are useful intermediates for the synthesis of 1-carba-1-dethia ce...
03/17/1992
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