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Class 544/2 - Six-membered hetero ring consists of oxygen, sulfur, nitrogen and carbon (e.g., oxathiazines, etc.)


Subclass of Class 544 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the six- membered hetero ring includes
No. of patents: 117
Last issue date: 01/08/2013


1      
NumberTitleIssue Date
8350025Process for preparing 6-phenoxypyrimidin-4-OL derivatives in the presence of a quinuclidine or a -methyl pyrrolidine derivatives
The present invention relates, inter alia, to a process for preparing a compound of formula (I): using a quinuclidine-based catalyst or an optionally 3-substituted N-methyl pryrrolidine-based catalyst. ...
01/08/2013
7829701Process for continuous production of the salts of 6-methyl-3,4-dihydro-1,2,3-oxathiazin-4-one 2,2,-dioxide
The invention discloses a kind of sulfonation cyclization technique for synthesizing acesulfame potassium for continuous production without stirring and special equipment for this technique. An injection pump is adopted to directly inject the sulfonation raw materia...
11/09/2010
7662957Method for producing 3,4-dihydro-1,2,3-oxathiazin-4-one-2,2-dioxide compound or salt thereof
A high quality 3,4-dihydro-1,2,3-oxathiazin-4-one-2,2-dioxide compound or a salt thereof is obtained easily and efficiently. When the compound represented by the following formula (2) [Formula 2] (wherein, R
02/16/2010
7408059Method for producing 3, 4-dihydro-1,2,3-oxathiazin-4-one-2,2-dioxide compound or salt thereof
A method produces a 3,4-dihydro-1,2,3-oxathiazin-4-one-2,2-dioxide compound of following formula (2): wherein R1 and R2 are the same as or different from each other and are each hydrogen atom or an org...
08/05/2008
7301028Mitotic kinesin inhibitors
The present invention relates to dihydropyrazole compounds that are useful for treating cellular proliferative diseases, for treating disorders associated with KSP kinesin activity, and for inhibiting KSP kinesin. The invention also related to compositions which com...
11/27/2007
7294650Benzothiophen and thiochrone containing phenethanolamine derivatives for the treatment of respiratory disorders
Compounds of formula (I): and salts, solvates, and physiologically functional derivatives thereof, useful for the prophylaxis or treatment of a clinical condition for which a selective β2-adrenorecept...
11/13/2007
7259258Methods of attaching biological compounds to solid supports using triazine
Disclosed are methods of attaching biologically active compounds to a solid surface, comprising modifying the solid surface using triazine chloride and attaching the biologically active compound to the triazine moiety. ...
08/21/2007
7196108Bicyclic heterocycles for the treatment of diabetes and other diseases
The invention relates to certain bicyclic heterocycles havng the structure shown below which are useful in the treatment of diseases related to lipid and carbohydrate metabolism, such as type 2 diabetes, and atherosclerosis.
03/27/2007
7141562Substituted benzoxazinones and uses thereof
Compound of the Formula: and pharmaceutically acceptable salts or prodrugs thereof, wherein: X is CH or N, Y is C or S, Z is —SO2— or —(CRaRb)r—, n is 1 or 2, R...
11/28/2006
7105660Intramolecular amidation of sulfamates catalyzed by metalloporphyrins
An intramolecular amidation processes for substrates such as sulfamates using chiral and non-chiral metalloporphyrin complexes which can maximize catalytic activity, enhance efficiency, stereoselectivity and speed of amidation reactions is described. The chiral meta...
09/12/2006
7053109Aminediols for the treatment of Alzheimer's disease
The present invention relates to compounds of formula (I): useful in treating Alzheimer's disease and other similar diseases. These compounds include inhibitors of the beta-secretase enzyme that are useful in the...
05/30/2006
6960669Utilization of phosphorus pentasulfide in thionylations using phase transfer catalysis
A method is disclosed for the preparation of benzo[b]thiophenecarbodithioic esters of the formula: wherein R is alkyl, R1 is hydrogen, halogen, or alkyl, R2, R3, R4, and R
11/01/2005
6867298Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
The present invention relates to copper-catalyzed carbon-heteroatom and carbon-carbon bond-forming methods. In certain embodiments, the present invention relates to copper-catalyzed methods of forming a carbon-nitrogen bond between the nitrogen atom of an amide or a...
03/15/2005
6852885Production method of high purity organic compound
There is provided a method for obtaining a target organic compound such as an alkyladamantyl ester efficiently by purifying a crude organic compound which contains, as impurities, sublimable materials which start to sublime at temperatures lower than a boiling point...
02/08/2005
6849623Xanthine and phenazone-acesulfame-H complexes having improved taste, process for their preparation and their use
Complex compounds or adducts of xanthine derivatives, for example propentofylline or pentoxyfylline, or phenazone derivatives, for example phenazone, propylphenazone and aminophenazone, and acesulfame-H, in which the components are present in a molar ratio of 1:1 or...
02/01/2005
6797522Synthetic receptors
The invention is directed to synthetic receptor(s) which comprises a polyfunctional organic template covalently linked to two or more oligomers which may independently be the same or different and may independently be straight chain, cyclic or branched. The template...
09/28/2004
6759544Antimicrobially active acesulfame complexes, process for their preparation and their use
Complex compounds containing acesulfame have good antimicrobial action, in particular antibacterial action, and are distinguished by the fact that they are complex compounds of metallic elements such as zinc, copper, silver, or nonmetallic quaternary ammonium cation...
07/06/2004
6734304Method for producing asymmetrical 4,6-bis(aryloxy)pyrimidine derivatives
The invention relates to a novel process for preparing known asymmetrical 4,6-bis(aryloxy)pyrimidine derivatives. ...
05/11/2004
6727359Composition comprising 6-methyl-3,4dihydro-1,2,3-oxathiazin-4-one-2,2-dioxide, its salts, preparation thereof and uses therefor
Acesulfame-K is a widely used sweetener in food and beverage. It is prepared by using the substituted sodium phenoxide or substituted phenol as the starting substance to synthesize the following three intermediates: a substituted phenoxide sulfonylchloride(I), a sub...
04/27/2004
6562811Pyridine derivatives
Pyridine compounds of general formula: ##STR1## wherein --R1 represents ##STR2## in which R11 is hydrogen, C1-6 alkyl, halogen, hydroxy, C1-12 alkoxy, nitro, amino, C1-6 alkylsulfonylamino, C1-6
05/13/2003
6528648Detecting reagent for double-stranded nucleic acid and double-stranded nucleic acid detecting method
The present invention provides a novel detecting reagent for double-stranded nucleic acid, and a method of using it to detect double-stranded nucleic acid formed by hybridization with a probe, with absolutely no labeling of the target nucleic acid. The de...
03/04/2003
6436927IL-8 receptor antagonists
The present invention involves certain 8-ureido and 8-thioureido, 1,2-benzothiazines, 1,2,4-benzothioxazines and 1,2,4-benzothiodiazines useful in the treatment of disease states mediated by the chemokine, Interleukin-8....
08/20/2002
6407097Methoximinomethyloxathiazines
The invention relates to novel methoximinomethyloxathiazines, to two processes for their preparation and to their use as pesticides....
06/18/2002
6271235HIV protease inhibitors
HIV protease inhibitors, obtainable by chemical synthesis, inhibit or block the biological activity of the HIV protease enzyme, causing the replication of the HIV virus to terminate. These compounds, as well as pharmaceutical compositions that contain the...
08/07/2001
62683111-Amino-3-benzyluracils
1-Amino-3-benzyluracils I ##STR1## (X=oxygen, sulfur; R1 =C1 -C4 -haloalkyl; R2 =H, halogen; R3, R7 =H, CN, SCN, halogen, C1 -C4 -haloalkyl, C1 -C4 -h...
07/31/2001
6265398Substituted pyridines/pyrimidines, their preparation and their use as pesticides
The present invention relates to novel substituted pyridines/pyrimidines of the formula I ##STR1## where A is CH or N; X is NH, O or S(O)q where q is 0, 1 or 2; Y1, Y2 and Y3 independently of one another are a group ...
07/24/2001
6245934Method for preparing salts of aspartame from N-protected aspartame
Method for preparing a salt of aspartylphenylalanine methyl ester from N-protected aspartylphenylalanine methyl ester involving cleaving off the protective group by treatment with an acid, in the course of which, first of all, N-protected aspartylphenylal...
06/12/2001
6063917Cephalosporin synthesis
A process for the production of a compound of formula ##STR1## wherein Ra denotes hydrogen or silyl; Rb denotes a group of formula --ORe, wherein Re denotes hydrogen or alkyl; and Rc and Rd toge...
05/16/2000
6020335(N-(pyridinylmethyl)-heterocyclic)ylideneamine compounds as nicotinic acetylcholine receptor binding agents
An (N-(pyridinylmethyl)-heterocyclic)ylideneamine compound of the formula ##STR1## wherein R3, A, and B are as described below, and its pharmaceutically acceptable salts and prodrugs. Compounds of the formula I and their pharmaceutically a...
02/01/2000
5962437Lipid analogs for treating viral infections
A method of treating viral infections, and in particular HIV-1, hepatitis B virus and herpes viruses, is disclosed. The method comprising administering to a subject in need of such treatment an infection-combating amount of a phospholipid or phospholipid ...
10/05/1999
5922113Antibacterial and antifouling oxathiazines and their oxides
Use of 3-aryl-5,6-dihydro-1,4,2-oxathiazines and their oxides having the formula ##STR1## wherein n is 0, 1 or 2; R1 is hydrogen, C1-4 alkyl or benzyl; and R represents (a) phenyl; phenyl substituted with 1 to 3 substituents ...
07/13/1999
5914351Anti-viral aromatic hydrazones
Compounds of the formula ##STR1## wherein Q is a hydrazone derivative; R1 is hydrogen, halogen, alkyl or alkoxy; R2 is hydrogen, halogen, alkyl, alkoxy, alkenoxy, alkynyloxy, halomethyl, trifluoromethoxy, alkylthio, nitro or cyano; a...
06/22/1999
5874382Cyclic sulfonamide herbicides
Compounds of Formula I and II, and their agriculturally-suitable salts, are disclosed which are useful for controlling undesired vegetation ##STR1## wherein X is a direct bond; O; S; NH; N(C1 -C3 alkyl); N(C1 -C3...
02/23/1999
5824677Substituted amino alcohol compounds
Disclosed are compounds having a straight or branched aliphatic hydrocarbon structure of formula I: ##STR1## In formula I, n is an integer from one to four and m is an integer from four to twenty. Independently, R1 and R2 are hy...
10/20/1998
57804654-substituted 5-polycyclylpyrimidine herbicides
4-Substituted 5-polycyclylpyrimidine compounds in which the 5-substituent is polycyclic and is attached to the pyrimidine moiety through an aliphatic carbon atom, such as 5-(2,2-dimethylindan-1-yl)-4-methylthiopyrimidine, were prepared and found to p...
07/14/1998
5777110Wood preservative oxathiazines
The present invention provides certain 3-aryl-5,6-dihydro-1,4,2-ocathiazines and their oxides, useful for the long-term preservation of wood and composite wood materials against wood damaging and wood destroying materials. The present invention also ...
07/07/1998
5744010Process for the preparation of the non-toxic salts of 6-methyl-3,4-dihydro-1,2,3-oxathiazin-4-one 2,2-dioxide and arrangement for carrying out this process
The invention relates to a process for the preparation of acesulfam salts by reaction of salts of amidosulfonic acid with diketene to give a salt of acetoacetamidosulfonic acid (I), ring closure by the action of at least about an equivalent amount of SO
04/28/1998
5696154Brefeldin A derivatives and their utility in the treatment of cancer
Provided are brefeldin A derivatives of the formula: ##STR1## wherein one of R1 and R2 is H and the other of R1 and R2 is a substituent group having 1 to 12 carbon atoms containing a basic nitrogen atom or ...
12/09/1997
56888095-heteroarylindole derivatives
The present invention relates to compounds of the formula ##STR1## The present invention also relates to intermediates for the preparation of compounds of the formula I, pharmaceutical compositions and method of use....
11/18/1997
5641783Substituted amino alcohol compounds
Disclosed are compounds having a straight or branched aliphatic hydrocarbon structure of formula I: ##STR1## In formula I, n is an integer from one to four and m is an integer from four to twenty. Independently, R1 and R2 are hy...
06/24/1997
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