Bisglyoxaline organic phosphine compound and preparation method thereof

The invention provides bisglyoxaline organic phosphine compound and preparation method thereof, characterized in that: the bisglyoxaline organic phosphine compound is represented by the following molecule formula, wherein X represents trivalent diphenyl phosphine group; quinquevalent vulcanized diphenyl phosphine group, oxidized diphenyl phosphine group; hydroxyl group; or chlorine group; when X is trivalent diphenyl phosphine group, the product is obtained by reduction reaction, halogenation reaction, necleophilic substitution reaction, when X is quinquevalent diphenyl vulcanized phosphine group or diphenyl oxide phosphine group, the product is obtained bby vulcanization reaction or oxidation reaction of bisglyoxaline trivalent diphenyl phosphine compound; the bisglyoxaline organic phosphine and its derivative react with transition metal and lanthanide series metal to form ligand compound and are applied for application domain such ash organic catalysis, rare earth metal extraction separation ...

Functionalized united imidazole derivative and synthesizing method thereof

The invention relates to a functionalized united imidazole derivative and a synthesizing method thereof. More particularly, the functionalized united imidazole derivative is a derivative of 1, 1-dsubstituted united imidazole acidamide, united imidazole carboxylic acid or united imidazole amine shown by formula I, wherein n is equal to 1 or 2; and X is acylamino, carboxyl or amido. A method for preparing the united imidazole acidamide comprises: taking united imidazole as raw material and N, N-dimethyl formamide as solvent; and leading the united imidazole and the N, N-dimethyl formamide to have Michael addition or nucleophilic substitution reaction together with acrylamide and chloroacetamide under the alkali condition, and obtaining the united imidazole acidamide; a method for preparing the united imidazole carboxylic acid comprises: taking united imidazole nitriles derivative as raw material, and having hydrolysis reaction under the acidic condition to obtain the united imidazole carboxylic ...

Image convergence regulating device for three-tube projector

Boric acid ester synthesis method

The invention provides a boric acid ester synthesis method. Acid ionic liquid is taken as solvent and catalyst to catalyze esterification of inorganic boric acid and alcohol, so as to obtain boric acid ester; wherein the alcohol can be selected from unary and binary fatty alcohol or unary cycloakyl alcohol, the prepared boric acid ester can be uniform trialkyl boric acid ester or mixed alkyl and cycloakyl boric acid ester, the used acid ionic liquid is imidazole ionic liquid, pyridine ionic liquid or quaternary ammonium salt ionic liquid, and one of substances shown by the following molecularstructural formulas is selected. Compared with the traditionally preparation method, the invention adopts acid ionic liquid to substitute benzene organic solvent frequently used in the traditional method, environmental pollution is reduced, and reaction condition is mild, operation is simple, product is easy to separate, and ionic liquid can be recycled, thus the invention has scale application prospect ...

Bisglyoxaline organic phosphine compound and preparation method thereof

The invention provides bisglyoxaline organic phosphine compound and preparation method thereof, characterized in that: the bisglyoxaline organic phosphine compound is represented by the following molecule formula, wherein X represents trivalent diphenyl phosphine group; quinquevalent vulcanized diphenyl phosphine group, oxidized diphenyl phosphine group; hydroxyl group; or chlorine group; when X is trivalent diphenyl phosphine group, the product is obtained by reduction reaction, halogenation reaction, necleophilic substitution reaction, when X is quinquevalent diphenyl vulcanized phosphine group or diphenyl oxide phosphine group, the product is obtained bby vulcanization reaction or oxidation reaction of bisglyoxaline trivalent diphenyl phosphine compound; the bisglyoxaline organic phosphine and its derivative react with transition metal and lanthanide series metal to form ligand compound and are applied for application domain such ash organic catalysis, rare earth metal extraction separation ...

Aromatic heterocyclic substituted salicylaldehyde derivatives and preparation method thereof

The invention belongs to the fields of photoluminescent materials and agricultural medicaments, and in particular relates to aromatic heterocyclic substituted salicylaldehyde derivatives as shown in a formula I and a preparation method thereof, wherein X is a hydrogen atom or 2-pyridyl, and Y is 2-thienyl or 2-pyridyl. The preparation method comprises the following steps: using halogenated salicylaldehyde as a raw material and tetrahydrofuran, toluene, N,N-dimethylformamide as solvents; and under the catalytic action of a catalyst system of (PdCl2+PPh22) or Pd(Ph3P)4, performing cross-couplingreaction with a Stille or Suzuki coupling agent containing pyridyl or thienyl to synthesize out a series of the aromatic heterocyclic substituted salicylaldehyde derivatives. The salicylaldehyde derivatives can be modified further to form Schiff bases with organic amines, and the Schiff bases are coordinated with a rare earth metal to prepare the photoluminescent materials, and by improving the mixing ...

Boric acid ester synthesis method

The invention provides a boric acid ester synthesis method. Acid ionic liquid is taken as solvent and catalyst to catalyze esterification of inorganic boric acid and alcohol, so as to obtain boric acid ester; wherein the alcohol can be selected from unary and binary fatty alcohol or unary cycloakyl alcohol, the prepared boric acid ester can be uniform trialkyl boric acid ester or mixed alkyl and cycloakyl boric acid ester, the used acid ionic liquid is imidazole ionic liquid, pyridine ionic liquid or quaternary ammonium salt ionic liquid, and one of substances shown by the following molecular structural formulas is selected. Compared with the traditionally preparation method, the invention adopts acid ionic liquid to substitute benzene organic solvent frequently used in the traditional method, environmental pollution is reduced, and reaction condition is mild, operation is simple, product is easy to separate, and ionic liquid can be recycled, thus the invention has scale application prospect ...

Image convergence regulating device for three-tube projector

An image convergence regulating apparatus of a triple-tube projector belongs to the color projector technology field. Its line-scanning deflecting coils in the left, middle and right based-color picture tubes are connected with the line linear inductance in parallel respectively after being connected in series. At least two of the line linear inductances in the left, the middle and the right based-color picture tubes are connected in parallel with the horizontal linear current-regulating branch consisting of the two-way electronic switch and the regulating inductance controlled by the line synchronizing impulse signal. The invention is used in compounding three pieces of monochrome image projection of the triple-tube projector to a screen. In comparison with the prior art, the invention has a simple circuit structure and is fit for the large-scale production.

Aromatic heterocyclic substituted salicylaldehyde derivatives and preparation method thereof

The invention belongs to the field of photoluminescent materials and agricultural medicaments, and in particular relates to aromatic heterocyclic substituted salicylaldehyde derivatives as shown in a formula I and a preparation method thereof, wherein X is a hydrogen atom or 2-pyridyl, and Y is 2-thienyl or 2-pyridyl. The preparation method comprises the following steps: using halogenated salicylaldehyde as a raw material and tetrahydrofuran, toluene, N,N-dimethylformamide as solvents; and under the catalytic action of a catalyst system of (PdCl2+PPh22) or Pd(Ph3P)4, performing cross-coupling reaction with a Stille or Suzuki coupling agent containing pyridyl or thienyl to synthesize out a series of the aromatic heterocyclic substituted salicylaldehyde derivatives. The salicylaldehyde derivatives can be modified further to form Schiff bases with organic amines, and the Schiff bases are coordinated with a rare earth metal to prepare the photoluminescent materials, and by improving the mixing ...