34 results about "Pseudohalogen" patented technology

The present invention discloses a process for making a fluoropolymer having nitrile endgroups. The process comprises a free radical polymerization of one or more fluorinated monomers in the presence of a nitrile group containing salt or a nitrile group containing pseudohalogen compound.

This invention discloses a method for preparing double-metal cyanide complex supported catalyst and its application. The composition is : S-M11a[M(CN)BL1c].xM11X2.y1L2.y2L3.zH2O, wherein, S is the carrier, and is SiO2, TiO2 or their mixture; M11 is divalent metal ion; M is divalent, trivalent or valency-changeable metal ion; X is halogen anion or analog of halogen anion; L1 is high molecular or low molecular mono-tooth or double-tooth ligand of M; L2 is water-soluble alcohol or cyclic ether; L3 is water-soluble or alcohol-soluble compound, and can be high molecular or low molecular mono-toothor double-tooth ligand; a and b are positive integers; c is 0 or positive integer; x, y1, y2 and z are 0 or positive numbers. The catalyst is stable in air, and is insensitive to water vapor. The catalyst can be adequately utilized due to supporting, and can be easily removed from reaction products.

An apparatus for the recovery of a halogen or pseudohalogens from a halide compound in solution; wherein the apparatus includes; an electrochemical cell including, an electrode assembly including at least a first and second electrodes in communication with a controller for providing a current to at least two of said electrodes; wherein, upon delivery of a predetermined voltage, said halide compound is oxidised at one or more said electrodes to form a halogen corresponding to said halide in solution whereupon said halogen is deposited on said one or more electrode upon completion of oxidation.

The invention relates to a solid electrolyte, a preparation method thereof, a protected positive electrode comprising same, an electrochemical cell and an electrochemical device. A solid electrolyte includes a compound represented by Formula 1 or 3, the compound having a glass transition temperature of -30 DEG C or less, and a glass or glass-ceramic structure, AQX-Ga1-zMz1(F1-kClk)3-3zZ3z1 Formula 1, wherein, in Formula 1,Q is Li or a combination of Li and Na, K, or a combination thereof,M is a trivalent cation, or a combination thereof, X is a halogen other than F, pseudohalogen, OH, or a combination thereof, Z is a monovalent anion, or a combination thereof, 1<A<5, 0<=z<=1, 0<=z1<=1, and 0<=k<1, AQX-aMz1Z3z1-bGa1-z(F1-kClk)3-3z Formula 3, wherein, in Formula 3, Q is Li or a combination of Li and Na, K, or a combination thereof; M is a trivalent cation, or a combination thereof, X is a halogen other than F, pseudohalogen, OH, or a combination thereof, Z is a monovalent anion, or a combination thereof, 0<a<=1, 0<b<=1, 0<a+b, a+b=4-A, 1<A<5, 0<=z<1, 0<=z1,=1, and 0<=k<1.

The present invention relates to a process for the preparation of aryl and heteroaryl alcohols by coupling aromatic halogen or pseudohalogen compounds to cyclic boronic esters.

The invention discloses a phosphorus anionic reagent as well as a preparation method and application thereof. The phosphorus anionic reagent has the structural formula as shown in the figure I in thespecification, wherein X is any one of elements of aluminum, boron, silicon and titanium, the valence state of X is m, Z is halogen or pseudohalogen, and n is equal to m-1, R<+> is any one of an ammonium positive ion, a sulfur onium ion and a phosphorus onium ion. The preparation method comprises the following step that under the protection of inert gas, a phosphoric acid derivative reacts with areducing agent in an organic solvent so as to prepare the phosphorus anionic reagent, wherein the reducing agent has the structural formula as shown in the figure II in the specification, and in the structural formula of the reducing agent, R1 is any one of hydrogen, C1-6 alkyl, C1-3 alkoxy, phenyl and substituted phenyl. According to the phosphorus anionic reagent as well as the preparation method and application thereof, the preparation process of the phosphorus anionic reagent is simple, the obtained phosphorus anionic reagent is high in activity and can be applied to prepare a compound containing any one or more of chemical bonds such as a P-C bond, a P-S bond, a P-F bond and a P-H bond, the range of synthesized phosphorus compounds is wide, the use of phosphorus trichloride can be avoided, and the the phosphorus anionic reagent as well as the preparation method and application thereof are green, environmentally friendly, safe and efficient.

The present invention discloses a process for making a fluoropolymer having nitrile endgroups. The process comprises a free radical polymerization of one or more fluorinated monomers in the presence of a nitrile group containing salt or a nitrile group containing pseudohalogen compound.

The present preferred embodiments relate to a method for the synthesis of a compound having the following general formula:the method comprising the step of reacting, in presence of a diprotic acid having a negative pKa, a compound having the general formula:wherein R1 and R2 are organic groups and wherein X and Y are independently selected from the group consisting of hydrogen, chloro, bromo, iodo, boronic acid, boronate esters, borane, pseudohalogen and organotin. It further relates to compounds so obtained and to compounds resulting from the ring closure of compound (II).

The invention relates to an oxide, a method for preparing the same, a solid electrolyte including the oxide, and an electrochemical device including the oxide. An oxide includes a compound represented by Formula 1, a compound represented by Formula 2, or a combination thereof; in, in Formula 1, Li1-x+y-zTa2-xMxP1-yQyQ8-zXz; M is an element having an oxidation number of 5+ or 6+, Q is an element having an oxidation number of 4+,X is a halogen atom, a pseudohalogen, or a combination thereof, 0<=x<0.6, 0<=y<1, and 0<=z<1, wherein x and y are not 0 at the same time, Li1-x+yTa2-xMxP1-yQyO8.zLiX Formula 2, wherein, in Formula 2,M is an element having an oxidation number of 5+ or 6+, Q is an element having an oxidation number of 4+, X is a halogen atom, a pseudohalogen or a combination thereof, 0<=x<0.6, 0<=y<1, and 0<=z<1, wherein x and y are not 0 at the same time, and wherein in Formulas 1 and 2, M, Q, x, y, and z are independently selected.

The invention discloses a living / controllable free radical polymerization method of a water-soluble monomer, which comprises the following steps: adding a water-soluble monomer, a pseudohalogen initiator, a catalyst and a solvent into a polymerization reaction vessel, and removing the water-soluble monomer with an inert gas Seal the polymerization reaction container after oxygen, and then carry out the polymerization reaction at 20~90°C for 0.5~53 hours, wherein the molar ratio between the water-soluble monomer, the pseudohalogen initiator and the catalyst is 50~1000:1:0.005~0.5 . The present invention makes full use of the special effect between the catalyst copper acetate and the initiator dithiocarbamate, constructs a simple and efficient active / controllable free radical polymerization system in water, and successfully obtains the molecular weight can be designed and the molecular weight distribution is relatively Narrow water-soluble polymers and amphiphilic block copolymers. In addition, the polymerization method of the present invention avoids the use of expensive ligands, which reduces production costs; at the same time, it does not need any additives, which simplifies the polymerization operation.