Class 549/208 - The hetero ring has three members or at least seven members

Subclass of Class 549 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the hetero ring contains either (1) three
No. of patents: 39
Last issue date: 09/09/2008

Number	Title	Issue Date
7423164	Synthesis of ionic liquids Ionic compounds which are liquids at room temperature are formed by the method of mixing a neutral organic liqand with the salt of a metal cation and its conjugate anion. The liquids are hydrophobic, conductive and stable and have uses as solvents and in electrochem...	09/09/2008
7220869	Brønsted acidic room temperature ionic liquids each having a -protonated lactam cation and method for preparing the same The invention relates to a class of novel Brønsted acidic ionic liquids each having a lactam cation, and to a method for preparing the same through simple neutralization reaction of a lactam, which is available in large scale from industry, with a Brønsted inorgan...	05/22/2007
6919333	Bis-transition-metal-chelate probes A molecule for labeling a target material is provided including two transition-metal chelates and a detectable group. The molecule has the general structural formula (I): wherein: (a) Y and Y′ are each a transition met...	07/19/2005
6875428	Lipase inhibiting polymers The invention features a method for treating obesity in a patient by administering to the patient a polymer that has been substituted with one or more groups that inhibit lipases, which are enzymes responsible for the hydrolysis of fat. The invention further relates...	04/05/2005
6794328	Diphosphine compound, production intermediate thereof, transition metal complex containing the compound as ligand and asymmetric hydrogenation catalyst containing the complex The present invention provides a novel phosphine compound, specifically to provide a novel phosphine compound useful as a ligand for the above catalysts, in particular, a novel catalyst having an excellent performance (chemical selectivity, enantio-selectivity, cata...	09/21/2004
6545147	Bleaching-active metal complexes Compounds of the formula I [Ln Mm Xp ]Z Yq (1) are claimed, where L is a ligand of the formula II ##STR1## and the individual symbols have the meanings defined in the description. The metal complexes are ...	04/08/2003
6344154	Reactive liquid crystal compounds The invention relates to reactive liquid crystal compounds of Formula (I), ##STR1## wherein P=polymerizable group, Sp=spacer, X and Z=linking group, n=1, m=0, or 1, A1 and A2 =ring structure and R=unsubstituted or substituted alkyl g...	02/05/2002
6307063	Conversion of compounds of titanium in a plus 4 oxidation state to titanium compounds in a plus 3 oxidation state The reduction of a titanium tetrahalide with titanium in the presence of an ether which forms an adduct with titanium trihalide, wherein an adduct insoluble in said ether is produced....	10/23/2001
6156790	C-10 carbon-substituted artemisinin-like trioxane compounds having antimalarial, antiproliferative and antitumor activities The present invention provides a two-step procedure for the replacement of the pyranose anomeric 10-OH group in dihydroartemisinin by a variety of carbon nucleophiles, resulting in the novel C-10 carbon-substituted trioxanes of structure: ##STR1## ...	12/05/2000
5698690	Hydroxamic acid derivatives with tricyclic substitution The invention provides hydroxamic acid derivatives of the general formula ##STR1## wherein Bz represents benzyl; R1 represents cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl; R2 represents a saturated 5- to 8-membered monocy...	12/16/1997
5393892	Processes for removing, separating and concentrating lead, thallium, alkali metals, alkaline earth metals from concentrated matrices using macrocyclic polyether cryptand ligands bonded to inorganic supports A method for the removal, separation, and concentration of alkali metal, alkaline earth metal, Pb and/or Tl cations from a source solution which may contain larger concentrations of other ions comprises bringing the source solution into contact with a com...	02/28/1995
5391727	Photographic silver halide material comprising novel gold compound This invention provides gold(I) complexes comprising sulfur- and selenium-substituted macrocyclic polyether ligands, photographic elements containing the compounds, and emulsions containing the compounds. The compounds include monomers and dimers having t...	02/21/1995
5318962	Water soluble 1,2-diaminocyclohexane platinum (IV) complexes as antitumor agents Water-soluble complexes having the formula: ##STR1## and stereoisomers thereof, where Z1 and Z2 are halogens, and X1 and X2 are selected from the group consisting of sulfate, phosphate, nitrate, and monocar...	06/07/1994
5264590	Preparation of titanium (III) coordination complexes Ti(III) coordination complexes with ethers are prepared by the steps of (a) forming an ether complex of a Ti(IV) salt by adding a stoichiometric excess of an ether to said salt, and then (b) reducing said complex with an organometallic reducing agent such...	11/23/1993
5041559	Optically active alcohols Provided herein is an optically active alcohol having a silyl group, stannyl group, or halogen atom at the γ-position, selected from compounds represented by the general formula [I], ##STR1## the general formula [II], ##STR2## the general ...	08/20/1991
5003065	Compounds and process for measuring c-reactive protein New compounds are described of the formula: ##STR1## wherein Z is selected from ##STR2## each x is selected from ##STR3## n is an integer from 1-10; each Y is selected from hydrogen, --NH2, --COQ, --COOQ, --COONHQ, --COOH, -...	03/26/1991
4997820	Microbicides Novel macrocyclic compounds of the formual I ##STR1## where the dotted line in the 9,10-position is a saturated bond or a double bond, alternatively, and R is hydrogen, methyl or certain acyl radicals, and Ro is hydrogen, halogen, azido, t...	03/05/1991
4987236	Optically active alcohols and process for producing the same Provided herein is an optically active alcohol having a silyl group, stannyl group, or halogen atom at the γ-position, selected from compounds represented by the general formula [I], ##STR1## the general formula [II], ##STR2## the general ...	01/22/1991
4906754	Nickel catalysts for copolymerization of ethylene Preparation of ethylene copolymers from ethylene and polar and/or non-polar comonomers in the presence of selected nickel-containing catalysts....	03/06/1990
4902812	Optically active alcohols, process for producing the same, and process for resolving the same Provided herein is an optically active alcohol having a silyl group, stannyl group, or halogen atom at the γ-position, selected from compounds represented by the general formula [I], ##STR1## the general formula [II], ##STR2## the general ...	02/20/1990
4870070	Water soluble platinum complexes of novel malonate derivatives This disclosure describes water soluble platinum complexes of novel malonate derivatives which possess the property of inhibiting the growth of tumors in mammals....	09/26/1989
4716157	Heterocyclic-1,2-diamine platinum complexes This disclosure describes platinum complexes of heterocyclic-1,2-diamines which possess the property of inhibiting the growth of tumors in mammals....	12/29/1987
4496744	Multidentate macromolecular complex salt clathrates A liquid clathrate of a multidentate macromolecular compound complex salt of the formula: wherein M is a mono-, di, or trivalent cation, R is a lower alkyl group of 1 to 8 carbon atoms, X is a monovalent, divalent or trivalent anion, n is an integer of 2 ...	01/29/1985
4442297	Manganese compounds and sorption of gases using manganese compounds There are disclosed manganese compounds of the formula wherein L is a monodentate ligand of the formula wherein R1, R2, and R3 are identical or different and are substituted or unsubstituted alkyl, cycloalkyl, alkenyl, alkynyl, or a...	04/10/1984
4399071	Method for making diaryliodonium salts A method is provided for making certain diaryliodonium salts which are useful as photoinitiators for a variety of cationic polymerizable organic materials. Reaction is effected between an aromatic iodo compound and an arylorganic aromatic compound in the ...	08/16/1983
4374145	Tin compounds The invention relates to organo-tin ammonium salts of the formula ##STR1## wherein each of R1, R2 and R3 is hydrogen, alkyl, unsubstituted or acylated haloalkyl, halohydroxyalkyl, hydroxyalkyl, dihaloalkyl, or epoxyal...	02/15/1983
4363765	Rhodium recovery process A particular process is provided for the recovery of rhodium values from liquid compositions. The process comprises contacting a solubilized rhodium complex with water, a crown ether and an alkaline cesium salt in the liquid phase such that a solid compri...	12/14/1982
4320064	Polynuclear rhodium carbonyl complexes Particular polynuclear rhodium carbonyl complexes are provided which are useful in the production of polyhydric alcohols such as ethylene glycol by the reaction of carbon monoxide and hydrogen. These complexes are rhodium carbonyl cluster compounds compri...	03/16/1982
4269850	Enterochelin complexes Complexes of enterochelin, and certain analogues thereof, with one of the metals indium and scandium are useful for the treatment of bacterial infections....	05/26/1981
4268454	Anionic group VIII metal hydride catalysts A novel class of compounds, anionic Group VIII metal hydrides containing phosphorus, arsenic and antimony organoligands is described, such as potassium tris and bis(triphenylphosphine) ruthenium hydride. The compounds are useful as homogeneous catalysts i...	05/19/1981
4199513	Macrocyclic polyether complexes Novel complexes of macrocyclic polyethers such as 1,4,7,10,13,16-hexaoxacyclooctadecane (18-crown-6) and disulfonates of the formula I ##STR1## wherein X represents barium or strontium and R1 is an alkylene moiety, optionally substitu...	04/22/1980
4186175	Crown ether uranyl halide complexes Uranium oxide is recovered from an aqueous solution of uranyl halides by extracting uranyl halide from the aqueous solution with an organic liquid, forming a crown ether uranyl halide complex in the organic liquid, and then contacting the uranyl halide cr...	01/29/1980
4120957	Bis-phosphoramidates Substituted phosphoramidates of the general formula: ##STR1## and their pharmaceutically acceptable metal salts and metal salt complexes, compositions containing them, and methods of employing them as anthelmintics are disclosed....	10/17/1978
4104280	Dibenzo [b.f]thiepin and dibenzo[b.f]oxepin derivatives Novel dibenzo[b.f]thiepin and oxepin compounds of the formula and the pharmaceutically acceptable esters and salts thereof, wherein R is hydrogen or methyl; X is oxygen or S(O)n in which n is the integer 0, 1 or 2 and Z is a single or double b...	08/01/1978
4098758	Inorganic-organic composites and methods of reacting the same with organo-titanium compounds Novel organo-titanates, mixtures thereof, and products thereof and inorganic particulate surfaces and methods of making such reaction products. The reaction, which preferably occurs in an organic medium, modifies the inorganic surface by forming a monomol...	07/04/1978
4025523	Cyclic tetra-oxyethylene complexes with ionic compounds Novel complexes between (a) a compound of the formula ##STR1## where R1, R2, R3 and R4 are independently H or C1 -C3 alkyl; and (b), salts of one of the cations Li, Na, K, Rb, Mg, Ca, ...	05/24/1977
4016141	Epoxy resin containing acetoacetic groups An epoxy resin containing acetoacetic ester groups in which at least a part of the acetoacetic ester groups is enolized by atoms of at least one metal from groups I to VI or Ia to Viiia of the Periodic Table according to Meyer and Mendelejeff which metal ...	04/05/1977
3979354	Non-polluting, antifouling composition and method Objects which are designed to be submersed or submerged are rendered antiling by using an organotin polymer wherein the tin is chemically combined in or bonded to the polymer. The polymer inhibits fouling of the exposed surface of the object while minimi...	09/07/1976
3943153	(-)(Cis-1,2-epoxy propyl)phosphonic acid amides Amides and thioates of (-)(cis-1,2-epoxypropyl)-phosphonic acid and phosphonothioic acid are prepared by converting (-)(cis-1,2-epoxypropyl)phosphonic acid or phosphonothioic acid or a salt thereof to an acid halide and reacting the acid halide with an am...	03/09/1976

PatentStorm

Quotables

PatentStorm News

Class 549/208 - The hetero ring has three members or at least seven members