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7737234 |
Catalysts for radical polymerization
Provided is a method for polymerizing a polymer precursor, comprising: contacting a polymer precursor with a lithium carborane catalyst and an initiator under polymerizing conditions. A reaction...
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7563934 |
Preparation of MnB12H12
A method for producing MnB12H12, wherein M is a metal or ammonium cation and n is one or two, by combining a metal borohydride and XBH3; wherein X is a substituted amine; a substituted phosphine;...
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7429671 |
Process for the fluorination of boron hydrides
A process for fluorination of borohydride salts including providing a reaction medium comprising HF and a superacid. A borohydride salt compound is added to the reaction medium. The borohydride...
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7161040 |
Method for preparation of carborane anions
This invention relates to an improved method for making unsubstituted carborane anions and monosubstituted carborane anions of formula: (R—CBn—Hm′)− where n is an integer ranging from 5 to about 1...
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7067653 |
Porphyrin Based neuton capture agents for cancer therapy
The invention describes the synthesis of a panel of novel carbon-carbon linked carboranyl-containing 5,10,15,20-tetraphenylporphyrins bearing 25–44% boron by weight. In certain embodiments, a p...
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6946578 |
Process for producing phenoxyphosphazene compound, flame-retardant resin composition, and flame-retardant resin molding
An improved phenoxyphosphazene compound is produced by treating a phenoxyphosphazene compound with (a) at least one adsorbent selected from activated carbon, silica gel, activated alumina,...
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6838574 |
Dicarba-closo-dodecarborane derivatives
A medicament comprising as an active ingredient a compound or a physiologically acceptable salt thereof represented by general formula (I): wherein R1 represents a dicarba-closo-dodecaboran-yl...
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6781005 |
Process for the fluorination of boron hydrides
This invention relates to an improvement in a liquid phase process for the direct fluorination of borohydride salts including the B10H10−2 and B12H12−2 salts wherein said borohydride salt is con...
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6680411 |
Carborane supercluster and method of producing same
A carborane supercluster consisting of carborane (C2B10H12) as its constituent unit expressed as a molecular formula C2mB10mH12m-x, where x is a positive integer (i.e., x=1, 2, 3, . . . ) and m is...
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6664426 |
Ether and ester derivatives of the perborate icosahedron
New boron icosahedral ethers and esters formed from Cs2[closo-B12(OH)12],; Cs[closo-1-H-1-CB11(OH)11]; and closo-1,12-H2-1,12-C2B10(OH)10 are disclosed. Also set forth are their preparation by...
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6645903 |
Fluoroborane salts comprising a reactive cation and uses thereof
The present invention provides catalyst components comprising a compound having a weakly coordinating anion salt and a reactive cation, in particular a compound of the formula MxQy. Preferably,...
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6531107 |
Fabrication of molecular nanosystems
The invention relates to structural subunits called “synthons” which are suitable for use in the design and manufacture of molecular nanostructures, machines, and devices. The synthon comprises pol...
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6525224 |
Fused polyhedron borane dianion
A polyhedral borane cluster consists essentially of a fused polyhedron including an open decaborane cage fused to a closed dodecaborane cluster wherein borane atoms are not an integral part of the...
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6521604 |
Compounds containing boron for energy-filtering transmission electron microscopy and for boron neutron-capture therapy
The invention relates to a compound which contains boron and which comprises the following general formula (1) in whichCb represents carborane,R2 and R3, independent of one another, represent a...
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6500363 |
Classes of high linear and nonlinear response compounds
A class of molecules suitable for linear and nonlinear optical applications which include charged aromatic groups which function as electronic donors and acceptors connected through polyhedral and...
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6448447 |
Fluoroborate salts comprising a reactive cation and uses thereof
The present invention provides weakly coordinating anion salts comprising a reactive cation and uses thereof. In particular, the present invention provides compounds of the formula MxQy and uses...
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6355840 |
Synthesis of permethyldodecaborate and paramagnetic dodecaborate salt
The dodecamethyl closo-borane dianion [closo-B12(CH3)12]2− and anion [closo-B12(CH3)12]− were synthesized and characterized. Dodecamethyl-closo dodecaborate (2−) was produced from [clos...
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6335466 |
Fluorinated amino polyhedral borate compounds
This invention provides a compound comprising fluorinated aminoborate monoanion of the formula: [R1R2R3N—BaHbFc]−1 Imethods for preparing the same, and uses thereof, where R1, R2, R3, a, b, and c a...
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6323372 |
Synthesis of perhydroxydodecaborate salts and related species
New icosahedral borohydrates Cs2 [closo-B12 (OH)12 ]; Cs[closo-1-H-1-CB11 (OH)11 ]; and closo-1,12-H2 -1,12-C2 B10 (OH)10 are disclosed. Also set forth are their preparation by refluxing the...
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6180829 |
Methods for producing polyhalogenated monoheteroboranes
The present invention provides compounds comprising a polyhalogenated heteroborane anion of the formula Ra ZBb Hc Fd Xe (OR")f-1, and a method for producing the same. Specifically, the present...
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5807905 |
Borate photoinitiators from polyboranes
Compounds of the formula I ##STR1## in which n and o are a number from 0 to 50, m is a number from 1 to 50, u and v are 0 or 1, and at least one of the indices u and v is 1, R1, R2, R2a, R3 and R4...
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5731470 |
Weakly nucleophilic anions
Substituted borate and carborate anions having unusual properties of being exceptionally weakly nucleophilic and being soluble in non-polar solvents. One-electron oxidation of the anions yields the...
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5714591 |
Gadolinium-DTPA complex containing carborane unit, intermediates thereof and method of synthesizing them
The present invention provides a gadolinium-DTPA complex containing a carborane unit having structural formula (1) given below and an intermediate thereof, i.e., carborane-containing DTPA...
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5648532 |
Compositions for boron neutron capture therapy and methods thereof
Boron neutron capture therapy can utilize Xy B20 H17 L where X is an alkali metal, y is 1 to 4, and L is a two electron donor such as NH3, and Na2 B10 H9 NCO, among others. These borane salts may...
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5631390 |
Halogenation of cobalt dicarbollide
A method for selectively adding chlorine, bromine, or iodine to cobalt dicarbollide anions by means of electrophilic substitution reactions. Halogens are added only to the B10 and B10' positions of...
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5256394 |
Radiological imaging method, and contrast media reagents therefor
A method of imaging a corporeal situs by radiological techniques, comprising delivery to the corporeal situs of an imagingly effectively amount of a physiologically acceptable composition...
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5053546 |
Chiral compounds of the beta-binaphthyl type, their preparation and their use
New chiral compounds of the formula ##STR1## a process for their preparation and their use for the preparation of optically active compounds.
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4801439 |
Catalytic process for making compounds having a non-Lewis acid/base bond between a group IIIA metal and group VA nonmetal
A process for preparing tractable preceramic precursors of Group IIIA metal/Group VA nonmetal compounds, such as BN, in which a first reactant containing a Group VA nonmetal to hydrogen bond, such...
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4444972 |
Carboranylmethylene-substituted phosphazenes and polymers thereof
Carboranylmethylene-substituted cyclophosphazenes which can be thermally polymerized into carboranylmethylene-substituted phosphazene polymers, useful as thermally stable coatings and, due to the...
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4391993 |
Thermolysis of tetraalkylammonium borohydrides to bis(tetraalkylammonium) decahydrodecaboranes
Disclosed is an improved method and the thermolysis equipment setup for certing tetraethylammonium tetrahydridoborane to bis(tetraethylammonium) decahydrodecaborane by a thermolysis reaction which...
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4338289 |
Preparation of decaborane (14) through hydride ion abstraction reactions
Disclosed is a method for the preparation of decaborane-14(B10 H.sub) in high yields from B5 H9 which involve three basic procedure steps as follows: (1) conversion of B5 H9 to a solid, [N(CH3)4...
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4288585 |
Carboranylcyclotriphosphazenes and their polymers
Carboranyl-substituted polyphosphazenes are prepared by heat polymerizing a carboranyl halocyclophosphazene at 250° C. for about 120 hours in the absence of oxygen and moisture. The ...
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4220804 |
Synthesis of gem-dinitroalkanes
Substituted gem-dinitroalkanes are prepared by reacting a nitro olefin, tetranitromethane and an alcohol or organolithium derivative. The substituted gem-dinitroalkanes are useful as explosives,...
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4111999 |
Cleavage of silylated carboranes and method for preparing meta-carborane employing same
A highly selective method is disclosed for cleaving carboranyl carbon-silicon bonds which comprises contacting either silylated monomeric carboranes or polymers thereof with a nucleophilic cleavage...
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4100199 |
Carborane purification
A simple, efficient and safe method is provided for the separation of carborane products such as 1,2-dicarbacloso-dodecaborane(12), 1-bromomethyl-1,2-dicarba-closo-dodecaborane(12),...
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4081484 |
Method for preparing carborane
Improved yields of n-hexyl carborane are obtained by slowly adding an ether solution of decaborane and dialkylsulfide to 1-octyne at a temperature between about 110° and 140° C.
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4026993 |
Synthesis of decaborane-14 and alkyl-substituted decaborane-14
A method for preparing a mixture of decaborane-14 and an alkyl-substituted ecaborane-14 which comprises admixing an ethereal solution of nonaborane-14 ions with an alkaliboron halide at a...
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3816380 |
TELECHELIC COPOLYMERS OF DIENES AND POLYMERIZABLE FERROCENE OR CARBORANE COMPOUNDS
Copolymers of a diene selected from butadiene, isoprene, and chloroprene and a polymerizable monomer selected from ferrocenylmethyl methacrylate, isopropenylferrocene, 1-ferrocenylbutadiene,...
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3549604 |
POLY-M- AND P-CARBORANYLENESULFIDES
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3533968 |
DIALKYLTIN AND DIALKYLGERMANIUM CARBORANE POLYMERS
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3531443 |
POLY-M- AND P-CARBORANYLENEDISULFIDES
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3526650 |
BIS-PI-CARBOLLYL COMPLEXES OF GROUP VIII NOBLE METALS
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3520938 |
PROCESS FOR PRODUCTION OF CLOSO-CARBORANES
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3509216 |
PROCESS FOR PREPARING META- AND PARA-CARBORANE
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3505409 |
METHOD FOR PREPARING CARBORANES
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3499926 |
POLYMERS OF META-CARBORANE ACYL CHLORIDES
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3660494 |
CARBORANE PREPARATION FROM BORANES
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3699024 |
RADIATION POLYMERIZATION OF VINYL CARBORANES AND NOVEL PRODUCTS RESULTING THEREFROM
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3661847 |
CARBORANE-SILOXANE POLYMERS
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3772426 |
SALTS OF THE B11H14-ANION
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