Class 556/71 - Chalcogen bonded directly to the metal (e.g., arsine oxides, etc.)

Subclass of Class 556 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium
No. of patents: 29
Last issue date: 09/02/2008

Number	Title	Issue Date
7420074	Process for fluoro derivative-substituted aryl pnictogens and their oxides A process to prepare substituted aryl pnictogen derivatives comprising contacting a fluoropolyether or fluoroalkyl primary bromide or iodide, with a pnictogen derivative such as triaryl phosphine, triaryl arsine, or triaryl stibine or triaryl phosphine oxide, triary...	09/02/2008
7405314	Compounds and methods for the treatment of cancer The present invention provides organic arsenicals. Many of these compounds have potent in vitro cytotoxic activity against numerous human tumor cell lines, both of solid and hematological origin, as well as against malignant blood cells from patients with leukemia.	07/29/2008
7396948	Process for fluoro derivative-substituted aryl pnictogens and their oxides A process to prepare substituted aryl pnictogen derivatives comprising contacting a fluoropolyether or fluoroalkyl primary bromide or iodide, with a pnictogen derivative such as triaryl phosphine, triaryl arsine, or triaryl stibine or triaryl phosphine oxide, triary...	07/08/2008
6995188	S-dimethylarsino-thiosuccinic acid s-dimethylarsino-2-thiobenzoic acid s-(dimethylarsino) glutathione as treatments for cancer Arsenic trioxide, an inorganic compound, is commercially available anti-cancer agent but it carries significant toxicity. Organic arsenicals, on the other hand, are much less toxic, to the extent that the methylation of inorganic arsenic in vivo into organic arsenic...	02/07/2006
6911471	S-dimethylarsino-thiosuccinic acid s-dimethylarsino-2-thiobenzoic acid s-(dimethylarsino) glutathione as treatments for cancer Arsenic trioxide, an inorganic compound, is commercially available anti-cancer agent but it carries significant toxicity. Organic arsenicals, on the other hand, are much less toxic, to the extent that the methylation of inorganic arsenic in vivo into organic arsenic...	06/28/2005
6846870	Hydrotalcites, syntheses, and uses Synthetic hydrotalcites of the general formula [M2+1-xM3+x(OH)2]x+[An−x/n·mH2O]x− where M2+ is a divalent cation, M...	01/25/2005
6686458	Synthetic molecules that specifically react with target sequences The present invention features biarsenical molecules. Target sequences that specifically react with the biarsenical molecules are also included. The present invention also features kits that include biarsenical molecules and target sequences. Tetraarsenic...	02/03/2004
6005127	Antimony/Lewis base adducts for Sb-ion implantation and formation of antimonide films An antimony/Lewis base adduct of the formula SbR3.L, wherein each R is independently selected from C1 -C8 alkyl, C1 -C8 perfluoroalkyl, C1 -C8 haloalkyl, C6 -C10...	12/21/1999
5698743	Preparation of methylene-bridged hetero compounds and novel bis (diorganophosphino) methanes Preparation of methylene-bridged compounds of the formula I ##STR1## where R1 to R4 are identical or different and are each saturated C1 -C30 -hydrocarbyl, unsubstituted phenyl, phenyl substituted by substi...	12/16/1997
5349076	Method bis(trifluoromethylthio)arsine Disclosed is an improved method of preparation of trifluoromethylthiocopper n a very highly purified state and its application to the synthesis of organic and inorganic compounds containing the trifluoromethylthio moiety. Biological testing has shown that ...	09/20/1994
5047567	Heteropolyoxo vanadium compounds containing molecular anions and their structure A solid composition of matter comprising heteropolyoxo vanadium oxide compounds of the general formula: (R'4 N)x Hy (VOb)a (RQO3)-- nH2 O) wherein (VOb)a	09/10/1991
5026886	Preparation of bidentate ligands A process is disclosed for preparing biaryl, bidentate ligands comprising: (1) contacting a biaryl compound having the structural formula: ##STR1## with a proton abstracting agent under conditions suitable to form a biaryl dianion, which is then (2) cont...	06/25/1991
4956055	Preparation of bidentate ligands A process is disclosed for preparing bidentate ligands of the formula: ##STR1## wherein: each Ar is independently selected from aromatic ring compounds having 6 up to 14 carbon atoms, e.g., phenyl, naphthyl, phenanthryl and anthracenyl; the x bonds a...	09/11/1990
4954227	Preparation of bidentate ligands A process is disclosed for preparing bidentate ligands of the formula: ##STR1## wherein: each AR is independently selected from aromatic ring compounds having 6 up to 14 carbon atoms, e.g., phenyl, naphthyl, phenanthryl and anthracenyl; the x bonds a...	09/04/1990
4900855	Chemical process for obtaining high purification of monoalkylarsines and dialkylarsines and purified mono- and dialkylarsines A method is provided for highly pure mono- and dialkylarsines, particularly removing substantially all silicon-containing impurities. A mono- or dialkylarsine is reacted with either an alkali metal or an alkali metal hydrocarbyl, thereby producing an alka...	02/13/1990
4879008	Preparation of bidentate ligands A process is disclosed for preparing bidentate ligands of the formula: ##STR1## wherein: each Ar is independently selected from aromatic ring compounds having 6 up to 14 carbon atoms, e.g., phenyl, naphthyl, phenanthryl and anthracenyl; the x bonds a...	11/07/1989
4879416	Preparation of bidentate ligands The process for preparing a bidentate ligand comprising the steps, (1) contacting with ozone under ozonolysis conditions a suspension in a hydroxylic reaction medium of phenanthrene or a phenanthrene derivative to form an ozonated intermediate, (2) contacting ...	11/07/1989
4451450	Cationic compounds useful for making radiodiagnostic agents A normally solid, hydrophilic compound capable of binding with Tc-99m to form a cationic complex is provided. The compound has a formula selected from: ##STR1## wherein: R, R', R", R1, R2, R3, R4, R5	05/29/1984
4425278	Complex compounds, process for their preparation, and their use A complex compound of a metal salt or metalloid salt and an ansolvo-acid or proton-acid, of the general formula I in which M is a m-valent cation of a metal or metalloid, a metal-oxy or metal-dioxy cation or a hydrogen atom, X is a n-valent anion of a n-basic ...	01/10/1984
4391757	Organic antimony containing stabilizer compositions for halogenated polymers In accordance with this invention there are provided organic antimony stabilizer compositions effective in stabilizing halogen containing organic polymers against the deteriorative effects of heat comprising (1) at least one organic antimony compound havi...	07/05/1983
4388227	Intercalation of graphitic carbon fibers The formation of improved intercalated graphitic carbon fibers of further diminished electrical resistivity (i.e., increased electrical conductivity) is made possible. Not only is the specific electrical resistivity of the resulting fibers reduced (e.g., ...	06/14/1983
4377529	Sulfonated group VA ylides and process for preparing same There are provided novel sulfonated group Va ylides defined by the following Formula I: ##STR1## wherein R1, R2, R3, and R4 are either alike or different members selected from the group consisting of hydrog...	03/22/1983
4377528	Group VA salts and process for preparing same There are provided novel salts defined by the following Formula I: ##STR1## wherein R1, R2, R3, R4 and R5 are either alike or different members selected from the group consisting of hydrogen, alkyl ...	03/22/1983
4293502	Nickel ylides A new group of nickel ylides is provided that is highly active at relatively low operating temperatures and pressures in the oligomerization of ethylene. The compounds can be defined by the following Formula I: ##STR1## wherein R1, R2...	10/06/1981
4265827	Catalytic asymmetric hydrogenation Process for the homogeneous catalytic hydrogenation of ଱-substituted-଱-acylamido-acrylic acids which yields, after hydrogenation, an optically active mixture. The process comprises the hydrogenation of ଲ-substituted-ଲ-acylamido-acr...	05/05/1981
4151188	Arsenamide compound There is disclosed an arsenamide compound of the formula ##STR1## The compound is useful in combatting filariasis due to D. immitis in dogs....	04/24/1979
4033915	Flame-extinguishing polyolefin compositions This invention relates to new flame-extinguishing agents for polymers and to self-extinguishing compositions based on polymers or copolymers of ethylene and of alpha-olefins and containing the above-mentioned flame-extinguishing agents....	07/05/1977
3946131	Glass fibers coated with silicon containing aminimide compounds Organo silicon compounds having the formula ##EQU1## wherein R1 and R2 are alkyl, R5 is a hydrocarbon group or an unsaturated ester group, R6 and R7 are alkoxy, R5 or hydrogen, and R	03/23/1976
3939190	Group V pentavalent atom-containing compositions A compound having the molecular formula: ##EQU1## wherein, M is selected from the group consisting of pentavalent atoms of Group V of the Periodic Table; R1, R2 and R3 are selected from the group consisting of substit...	02/17/1976

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Class 556/71 - Chalcogen bonded directly to the metal (e.g., arsine oxides, etc.)