Class 205/423 - Nitrogen containing hetero ring

Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter wherein the hetero ring system contains a
No. of patents: 39
Last issue date: 04/10/2007

Number	Title	Issue Date
7201835	Method for producing orthocarboxylic acid trialkyl esters A process for the preparation of orthoesters of the general formula I, where the radicals have the following meaning R1: hydrogen, C1- to C20-alkyl, C2- to...	04/10/2007
7097757	Polymers having an ordered structural state A new class of polymers with a highly ordered state having unique electrical, electronic, optical, ferromagnetic, piezoelectric, ionic, or superconducting properties are achieved. The polymers are highly crystalline, exhibiting both long and short range order, and a...	08/29/2006
6969451	Fluid-type multiple electrochemical system and preparation thereof A fluid-type multiple electrochemical system. The system includes a substrate for an electric circuit having a plurality of electrode parts formed at regular intervals. The electrode parts each include a reference electrode and an auxiliary electrode. Also provided ...	11/29/2005
6294069	Method for preparing 2-aryl or 2-heterocyclyl chiral propionic acids and their esters A process for the preparation of chiral 2-aryl or 2-heterocyclyl-propionic acids of the formula ##STR1## wherein the substituents are as defined in the specification....	09/25/2001
6043356	Process for preparing ଲ-lactam compound The present invention provides a process for preparing an exo-methylenepenam compound represented by the general formula (5) characterized in that a ଲ-lactam halide compound represented by the general formula (2) is reduced with a metal having a sta...	03/28/2000
5919349	Electrochemical reduction of organic compounds A process for the electrochemical reduction of an organic compound by bringing the organic compound into contact with a cathode, wherein the cathode comprises a support made of an electrically conductive material and an electrically conductive, cathodical...	07/06/1999
5679235	Titanium and cerium containing acidic electrolyte An electrolyte contains a tetravalent salt of titanium and a trivalent salt of cerium in a methanesulfonic acid solution. A reducing agent consisting of trivalent titanium and an oxidizing agent consisting of tetravalent cerium are provided in the same so...	10/21/1997
5518588	Method for preparing 3-aminopyridines from 3-nitropyridines The present invention relates to a method for preparing 3-aminopyridines from 3-nitropyridines, in which the nitropyridines are reduced electrochemically in acidic solution....	05/21/1996
5464508	Preparation of 4-dialkoxymethylpyrazoles A process for preparing 4-dialkoxymethylpyrazoles of the formula I ##STR1## where R1 is n-alkyl, R2 is a hydrocarbon radical, R3 and R4 are each hydrogen, a hydrocarbon radical, cyano, halogen or alkoxycarbonyl,...	11/07/1995
5409581	Tetravalent titanium electrolyte and trivalent titanium reducing agent obtained thereby An electrolyte containing a tetravalent salt of titanium in a methanesulfonic acid solution. A reducing agent consisting of trivalent titanium in the same solution. A cell wherein the catholyte is the above electrolyte. The reduction of tetravalent titani...	04/25/1995
5106475	Process for preparing 4-substituted azetidinones A process for preparing 3-4-cis-ଲ,ଲ-(4)-substituted and 3-4-trans,ଲ,଱-(4)-substituted azetidinones is provided. Also provided are novel 4,4-disubstituted azetidinones....	04/21/1992
4992545	Process for preparing 4-substituted azetidinones A process for preparing 3-4-cis-ଲ,ଲ-(4)-substituted and 3-4-trans,ଲ,଱- (4)-substituted azetidinones is provided. Also provided are novel 4,4-disubstituted azetidinones....	02/12/1991
4952288	Process for the preparation of 4-acyloxyazetidin-2-one by electrochemical methods The 4-acryloxyazetidin-2-ones, which are intermediates in the production of carbapenems and penems, are produced from 4-furanylazetidin-2-ones by electrochemical methods....	08/28/1990
4931155	Electrolytic reductive coupling of quaternary ammonium compounds A process is described for the electrolytic reductive coupling of quaternary ammonium compounds to themselves or to other reactive organic compounds. The process comprises (A) providing an electrolytic cell comprising an anode and a cathode; (B) charging into ...	06/05/1990
4927507	Novel process for the manufacture of 4-acyloxy-3-hydroxyethyl-azetidinones The invention relates to a novel process for the manufacture of (3R,1'R)-4-acyloxy-3-(1'-hydroxyethyl)-2-azetidinones of formula ##STR1## in which R1 represents lower alkyl or aryl, by enantioselective reduction of the carbonyl group in a ...	05/22/1990
4855452	N-substituted azetidine carboxylate derivatives Process for the preparation of a compound of formula or a salt thereof ##STR1## wherein R1 represents a hydrogen atom or a group of formula R2 SO2 or phenyl--CH(R3)-- wherein R2 represents a phenyl, ...	08/08/1989
4849215	Pharmaceutical iodophor preparations with controlled iodine:iodide ratio and method of producing the same The microbicidal effectiveness of pharmaceutical iodophor preparations comprising an organic substance which reacts with iodine to form a complex thereof, such as polyvinylpyrrolidone, iodine bound thereto in complex form, free iodine, and iodide ions, is...	07/18/1989
4834846	Process for deblocking N-substituted ଲ-lactams This invention relates to a process for preparing ଲ-lactams by electrochemically deblocking N-substituting ଲ-lactams using anodic oxidation....	05/30/1989
4808282	Alkaline earth metal compounds and alkali metal substances via electrochemical process Included is an invention, which in one aspect, is a process for preparing a product of an alkaline earth metal compound having at least one BVB-heteromoeity and by-product of an alkali metal substance comprising operating an electrochemical cell, said cel...	02/28/1989
4784734	Azetidinone derivatives and process for the preparation of the same This invention provides azetidinone derivatives represented by the formula ##STR1## and processes for preparing the same. The azetidinone derivatives are used as the intermediates for producing cephalosporin compounds useful as antibiotic agents....	11/15/1988
4778577	Process for preparing azetidine derivatives; and intermediates therein Process for the preparation of a compound of formula or a salt thereof ##STR1## wherein R1 represents a hydrogen atom or a group of formula R2 SO2 or phenyl--CH(R3)--wherein R2 represents a phenyl, ...	10/18/1988
4702803	Preparation of pyrazoles Pyrazoles of the general formula ##STR1## where R1, R2 and R3 are each hydrogen, alkyl, cycloalkyl or aryl, are prepared by electrochemical oxidation of 2-pyrazolines of the general formula ##STR2## in the p...	10/27/1987
4699698	Preparation of benzoic acid ortho-esters and novel compounds of this type Preparation of aromatic carboxylic acid ortho-esters of the formula I ##STR1## where R is C1 -C4 -alkyl and R1 is H, halogen, alkyl, aryl, heteroaryl, alkoxy, aryloxy, acyl, acyloxy or CN, by electro-oxidizing benzene...	10/13/1987
4689411	4-thio azetidinone intermediates and process for the preparation of the same This invention provides azetidinone derivatives represented by the formula ##STR1## and processes for preparing the same. The azetidinone derivatives are used as the intermediates for producing cephalosporin compounds useful as antibiotic agents....	08/25/1987
4636430	Composite material consisting of porous materials and electrically conductive polymers In a composite material consisting of a porous material and electrically conductive polymers, the surface of the pores of the porous material is first coated with a layer of an electrically conductive polymer obtained by treating the monomers with an oxid...	01/13/1987
4631119	Reversible, electrochemically-switched lariat ethers This invention relates to novel heteromacrocyclic compounds which have electrochemically reducible sidearms containing uncharged Lewis basic donor groups appropriately placed to interact with a macroring-bound cation and an electrochemical switching proce...	12/23/1986
4521285	Electrolytic process for the preparation of organic compounds There is described an electrolytic cell and a process for removing the halide or other anion from an organic salt having as general formula A+ X-, wherein A+ is an organic cation and X- is a halide or other anio...	06/04/1985
4466866	Electrochemical process for the preparation of sulphoxides of thioformamide derivatives, which are useful as medicaments Sulphoxides of thioformamide derivatives of the formula: ##STR1## wherein R represents hydrogen or a C1 -C4 alkyl radical, Het represents a heterocyclic radical selected from pyridin-3-yl (optionally substituted by a C1	08/21/1984
4459411	Preparation of unsaturated heterocyclic carbonyl-containing compounds Unsaturated heterocyclic carbonyl-containing compounds, e.g., 2H-imidazol-2-ones, 2(3H)-oxazolones and 2H,3H-pyrrol-2-ones, are prepared by the anodic oxidation of saturated heterocyclic carbonyl-containing precursors of the above compounds in a C1-4...	07/10/1984
4297181	Process for preparing ketones Process for preparing a ketone by subjecting a secondary alcohol to a catalytic electrode oxidation in the presence of iodine or/and an iodine compound....	10/27/1981
4219393	Process for producing sulfenimides Sulfenimides are prepared by electrolytic oxidation of organic disulfides or mercaptans and imides. The electrolytic oxidation is accelerated by a halide compound....	08/26/1980
4149941	Process for preparing fungicidal monoalkoxy and dialkoxy N-substituted cyclic amines Novel alkoxy derivatives of N-substituted cyclic amines of the formula ##STR1## where R1 is hydrogen, an alkyl group having from 1 to 8 carbon atoms, an aryl group having from 6 to 10 carbon atoms, an alkoxy group having from 1 to 4 carbon...	04/17/1979
4140593	ω-Alkoxy derivatives of lactams and process for their manufacture Compounds of the formula ##STR1## in which R4 represents an alkyl radical having from 1 to 4 carbon atoms, R5 represents a linear or branched alkylene radical having from 1 to 10 carbon atoms in the chain which may be substitute...	02/20/1979
4138400	Omega-alkoxy derivatives of lactams Compounds of the formula ##STR1## in which R4 represents an alkyl radical having from 1 to 4 carbon atoms, R5 represents a linear or branched alkylene radical having from 1 to 10 carbon atoms in the chain which may be substitute...	02/06/1979
4118500	Fungicidal alkoxy mono- and dialkoxy N-substituted cyclic amines Novel alkoxy derivatives of N-substituted cyclic amines of the formula ##STR1## where R1 is hydrogen, an alkyl group having from 1 to 8 carbon atoms, an aryl group having from 6 to 10 carbon atoms, an alkoxy group having from 1 to 4 carbon...	10/03/1978
4072583	Electrolytic carboxylation of carbon acids via electrogenerated bases Electrolytic carboxylation of carbon acids via electrogenerated bases leads to carboxylated carbon acids....	02/07/1978
4055573	Electrochemical reduction of imidazolecarboxylic esters Lower alkyl 4-imidazolecarboxylates are electro-chemically reduced to give the corresponding alcohol and lower alkyl ethers. This mixture is reacted directly with cysteamine to give the important thioamine intermediates....	10/25/1977
4035252	Process for producing 2-aminomethyl-1-ethylpyrrolidine A process for producing 2-aminomethyl-1-ethylpyrrolidine by the electrolytic reduction of 1-ethyl-2-nitromethylenepyrrolidine....	07/12/1977
3984293	Process of reduction An electrochemical process for preparing 4-(hydroxymethyl)-imidazoles, which are useful as chemical intermediates....	10/05/1976

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Class 205/423 - Nitrogen containing hetero ring