200 results about "Hydrazine derivatives" patented technology

In some embodiments, a semiconductor surface having a high mobility semiconductor may be effectively passivated by nitridation, preferably using hydrazine, a hydrazine derivative, or a combination thereof. The surface may be the semiconductor surface of a transistor channel region. In some embodiments, a semiconductor surface oxide layer is formed at the semiconductor surface and the passivation is accomplished by forming a semiconductor oxynitride layer at the surface, with the nitridation contributing nitrogen to the surface oxide to form the oxynitride layer. The semiconductor oxide layer may be deposited by atomic layer deposition (ALD) and the nitridation may also be conducted as part of the ALD.

The present invention is useful for achieving a reduction in weight and for attaining increased strength in not only electronic devices and domestic electric devices but also various parts and structures. As a pretreatment, a rib (3) is dipped in an aqueous solution of ammonia, hydrazine, a hydrazine derivative, or a water-soluble amine compound. A metal frame (2) is inserted into an injection mold for forming ribs (3) by injection molding. A thermoplastic resin composition is injected to the surface of the metal frame (2) by injection molding to form ribs (3). In the housing of a casing cover (1) thus formed, the metal frame (2) and the ribs (3) made of the thermoplastic resin composition are integrally bonded together. Thus, the housing improves strength and external appearance. Moreover, a complicated configuration and structure can be formed in the housing.

The invention is to provide a surface-treated steel sheet of good white rust resistance with no chromium in its surface treatment film, and it has realized a surface-treated steel sheet of higher-level corrosion resistance by forming a reaction layer of plating metal with a barrier layer effective for anticorrosion not in a two-layered film but in a single-layered film. The surface-treated steel sheet is fabricated by applying a surface-treating composition that contains: (a) a water-dispersible resin and/or a water-soluble resin obtained through reaction of an epoxy group-containing resin (A) with an active hydrogen-containing compound (B) a part or all of which is an active hydrogen-containing hydrazine derivative and preferably with a hydrophilic organic component (C), (b) a silane coupling agent, (c) a phosphoric acid and/or a hexafluoro-metal acid, and (d) preferably an aqueous dispersion of an urethane resin, to a zinc-plated or aluminium-plated steel sheet followed by drying it to form thereon a surface treatment film having a thickness of from 0.02 to 5 μm. Regarding its film structure, the surface treatment film comprises an amorphous compound layer containing P, Zn and/or Al, and O, and an overlying organic resin matrix layer where the matrix is a hydrazine derivative-modified epoxy group-containing resin or the epoxy group-containing resin and an urethane resin.

The polishing solution is useful for removing a barrier from a semiconductor substrate. The solution contains by weight percent 0.001 to 25 oxidizer, 0.0001 to 5 anionic surfactant, 0 to 15 inhibitor for a nonferrous metal, 0 to 40 abrasive, 0 to 20 complexing agent for the nonferrous metal, 0.01 to 12 barrier removal agent selected from imine derivative compounds, hydrazine derivative compounds and mixtures thereof, and water; and the solution has an acidic pH.

The invention belongs to the technical field of analysis and detection materials, and discloses an arylsalicylaldehyde-diphenyl-azine hydrazine compound as well as preparation and application. The compound has a structural general formula of formula (1) shown in the description, wherein Ar represents an aryl group or a derivative structure thereof, and substituent groups R1 to R10 are respectively selected from hydrogen, alkyl, alkoxy, aryl group and relative derivative structures thereof. The preparation method of the compound comprises the following steps: heating diphenyl hydrazine derivative and arylsalicylaldehyde to be 30 to 90 DEG C in a solvent for 6 to 12 hours' reaction, and separating and purifying reaction products, so as to obtain the arylsalicylaldehyde-diphenyl-azine hydrazine compound. The compound provided by the invention shows strong characters of a fluorescence probe, and also shows stronger selective recognition capability to substructures and metal ions in a cell, thereby achieving great high development value.

Ectoparasitic insect pest controllers for animals, containing hydrazine derivatives of the general formula (I) as the active ingredient, and methods for application of the same: (I) [wherein A is (II), (III), (IV), (V) (wherein R⁴ and R⁵ are each H, C_1-6 alkyl, or the like; and X is H, or one to five substituents selected from among halogeno and optionally halogenated C_1-6 alkyl groups); R¹ is H or C_1-6 alkyl; R² and R³ are each H, OH, C_1-6 alkyl, phenylcarbonyl, or the like; Y is H, or one to five substituents selected from among halogeno, nitro, and cyano; Z is halogeno, cyano, C_1-6 alkyl, or the like; and W is O or S]. The insect pest controllers exert remarkable controlling effects on parasitic insect pests harmful to domestic or pet animals, e.g. fleas, lice, ticks.

The invention discloses a STAT3 small-molecule inhibitor and its application, and the STAT3 inhibitor takes an N'-(1-(2,4 dihydroxy phenyl)ethylidene) benzoyl hydrazine derivative or its pharmacologically acceptable salt shown in a formula (1) or a formula (1a) as an effective component. In the formula, R1 and R2 on A ring can be hydroxyl, methoxy carboxyl and ester, and B can be an annular or a chain state. The STAT3 small-molecule inhibitor has selectivity and high activity, According to a three-grade structural design, biosynthesis and reconstructing optimization of STAT3, then a fluorescence polarization method and a CCK-8 method are employed for detecting activity and researching the mechanism on inhibition of tumor cells growth and promotion of differentiation apoptosis, so that effect of the STAT3 small-molecule inhibitor on prevention and control of tumor formation and tumor treatment can be described.

The present invention relates to the formation of hydrogels based on guanosine hydrazide derivatives in the presence of cations. The hydrogels can be used as a carrier/delivery system for biologically active substances such as flavors, fragrances, insect attractants or repellents, bactericides, fungicides, pharmaceuticals or agrochemicals.

The invention provides a preparation method of an aluminum alloy-resin composite and an aluminum alloy-resin composite prepared by using the same. The preparation method comprises the following steps: S1. anodizing a pretreated aluminum alloy substrate to obtain an aluminum alloy of which the surface contains a nanoporous oxide film layer; S2. contacting the aluminum alloy containing the nanoporous oxide film layer obtained in the step S1 with a corrosive substance to form corrosion pores on the outer surface layer of the oxide film layer, thereby obtaining the surface-treated aluminum alloy substrate, wherein the corrosive substance is selected from at least one of ammonia, hydrazines, hydrazine derivatives and water-soluble amine compounds; and S3. putting the surface-treated aluminum alloy substrate in a mold, injecting a resin composition into the mold to be combined with the surface-treated aluminum alloy substrate, and forming to obtain the aluminum alloy-resin composite. A unique double-layer stereoscopic porous structure can be formed on the surface of the aluminum alloy to enhance the binding force between the resin and the aluminum alloy; and the invention has the advantages of easier formation, basically no influence on the appearance of the aluminum alloy, wider application range and no environment pollution, and is more suitable for large-scale production.

The present invention relates to both a novel method of preparing hydralazine hydrochloride and to a novel method of preparing hydrazine derivatives of compounds containing a pyridazine ring, including, for example, pyridazines, phthalazines and other compounds containing the pyridazine ring.

PROBLEM TO BE SOLVED: To provide a surface-treated steel sheet having superior corrosion resistance in spite of containing no hexavalent chromium in a coating, and besides, having superior conductivity and coating film appearance.SOLUTION: The surface-treated steel sheet has a composite oxide coating on the surface of a galvanized or aluminized steel sheet, as the first layer, and an organic coating thereon as the second layer. The composite oxide coating includes (α) silica, (β) phosphoric acid and/or a phosphate compound, (γ) one or more metals selected among Mg, Mn and Al and (σ) a tetravalent vanadium compound, each in a predetermined amount. The organic coating includes a reaction product (X) of a film-forming organic resin (A) and an active-hydrogen-containing compound (B) formed of a hydrazine derivative (C), of which one part or all parts have active hydrogen; and a particular corrosion-preventing component (Y).

The invention discloses a preparation method for a middle distillate type hydrocracking catalyst containing metal nitride. The preparation method comprises the following steps: (1) preparing a catalyst carrier containing a molecular sieve and inorganic refractory oxide; (2) preparing a hydrazine derivative solution, dipping the catalyst carrier prepared in the step (1) in the hydrazine derivative solution and drying the catalyst carrier; (3) preparing a dipping solution containing a group VI-B metal compound and a group VIII metal compound; (4) dipping a material obtained in the step (2) in the dipping solution prepared in the step (3) and drying the material; and 5) subjecting a material obtained in the step (4) to hydrogen activation so as to obtain the hydrocracking catalyst used for a hydrocracking reaction. The hydrocracking catalyst provided by the invention is used for treating heavy hydrocarbon materials and can realize maximum production of intermediate distillate oil.

The invention belongs to the field of chemistry and medicines and particularly relates to an indene-1-subunit sulfonyl benzoyl hydrazine derivative as well as a preparation method and application thereof. The invention provides an indene-1-subunit sulfonyl benzoyl hydrazine derivative, wherein the structure is shown by formula I. The invention also provides a preparation method and application of the indene-1-subunit sulfonyl benzoyl hydrazine derivative shown by the formula I. The indene-1-subunit sulfonyl benzoyl hydrazine derivative provided by the invention has a relatively good inhibitory effect on the proliferation of tumor cells and provides a new option for the field of anti-tumor drug preparation.

The invention relates to novel hydrazide derivatives as well as a preparation method and application thereof. The novel hydrazide derivatives have a general formula as shown in the specification, wherein each group is as shown in the claim 1. The novel hydrazide derivatives provided by the invention are improved in insecticidal activity while the previous compound lipid solubility thereof is improved; the derivatives have excellent insecticidal activity; instantly after the derivatives are applied, insects can lose control on muscle and stop eating, and are obviously shrank and paralyzed; at last, the insects can be caused to die, and in the meantime, abnormal ecdysis of insects also can be induced; the novel hydrazide derivatives are very effective especially for lepidoptera pests such as mythimna separata, plutella xylostella and asparagus caterpillar, and thus are pesticides having wide application prospect.

The invention discloses a preparation method and a use of N-(1-naphthoyl)-N'-[rhodamine B-9-(2-benzoyl)]hydrazine. N-(1-naphthoyl)-N'-[rhodamine B-9-(2-benzoyl)]hydrazine is shown in the structural formula I. A rhodamine dye is an excellent optical fluorescent probe matrix. The preparation method realizes the preparation of a double (rhodamine B) acylhydrazine derivative having a 1-naphthoyl substituent group and a spiro structure first. Under acidic conditions, the spiro structure of N-(1-naphthoyl)-N'-[rhodamine B-9-(2-benzoyl)]hydrazine is transformed into an open state from a closed state and simultaneously, the change from an achromatic color to a pink color is produced in a molecular spectrum of N-(1-naphthoyl)-N'-[rhodamine B-9-(2-benzoyl)]hydrazine; and under the action of exciting light having a certain wavelength, N-(1-naphthoyl)-N'-[rhodamine B-9-(2-benzoyl)]hydrazine produces fluorescent light. After being adsorbed on a silica gel plate, N-(1-naphthoyl)-N'-[rhodamine B-9-(2-benzoyl)]hydrazine shown in the structural formula I can produce visible light and a fluorescent or chroma response under the action of volatile acid gas. N-(1-naphthoyl)-N'-[rhodamine B-9-(2-benzoyl)]hydrazine shown in the structural formula I can be used for naked eye chromogenic identification and fluorescent identification probes of acid mist.

A nitride semiconductor stacked structure having good working efficiency includes a p-type nitride semiconductor layer of low resistance, which is formed from an organometallic compound, compounds including Group V elements, including ammonia and a hydrazine derivative, and a p-type impurity material on a substrate. The p-type nitride layer has a carbon concentration not higher than 1×10¹⁸ cm⁻³.

The invention provides a preparation method of high-activity zinc phthalocyanine-monoclonal antibody tumor-targeted photosensitive immunoconjugate and a technical method for anti-tumor application of the immunoconjugate. Monocarboxyl zinc phthalocyanine with a single structure is reacted with lysine hydrazine pentamer to form a water-soluble monocarboxyl zinc phthalocyanine hydrazine derivative with high reaction activity; meanwhile, the monoclonal antibody with anti-tumor activity is selected; under a neutral condition, glycosyl non-related to activity of the antibody is mildly oxidized into an aldehyde group with sodium periodate; and at 4 DEG C, excess monocarboxyl zinc phthalocyanine hydrazine derivative is extremely easy for reacting with the aldehyde group and the reaction product is further reduced into stable photosensitive immunoconjugate to obtain the high-purity photosensitive immunoconjugate. The preparation method has the characteristics of low temperature, neutral conditions and no use of any organic solvent. In-vitro anti-tumor experiments prove that the conjugate has extremely high selectivity and anti-tumor activity as well as application value.

The invention relates to a method for preparing 7-dehydrocholesterol, which comprises the following steps: 1) protecting hydroxyl on the 3-site of cholesterol; 2) oxidizing carbon on the 7-site of the product obtained in step 1) into carbonyl; 3) carrying out a hydrazone reaction on the product obtained in step 2) and a hydrazine derivative; 4) reacting the product obtained in step 3) with a strongly alkaline reagent; and 5) reacting the product obtained in step 4) with water or an acid. The method has the advantages of simple operation process, less secondary reaction, high yield and less corrosion to equipment, thereby having high industrial production values.

The invention relates to detection of a fluorescence method on metal ions, and particularly relates to a benzoyl hydrazine derivative P which identifies and detects two different metal ions Mg<2+> andAl<3+> separately in different pH conditions. The structural formula of the benzoyl hydrazine derivative P is as shown in a formula (1). The preparation method of the benzoyl hydrazine derivative P comprises the following steps: firstly, carrying out hydrazinolysis on ethyl salicylate; carrying out a reaction with o-hydroxy naphthaldehyde at a molar ratio of 1 to 1 for 4 hours at 80 DEG C in anhydrous ethanol; cooling the mixture and separating out a solid and carrying out suction filtration; washing the mixture with a lot of water and anhydrous ethanol successively; and drying the solid to obtain a light yellow solid pure product P. The benzoyl hydrazine derivative P can be used for detecting Mg<2+> and Al<3+> separately in different pH conditions as a fluorescent probe. The benzoyl hydrazine derivative P is obtained by means of an effective synthetic means and shows relatively good selectivity on the metal ions Mg<2+> and Al<3+> separately. On a basis of an optimized experimental condition, the metal ions Mg<2+> and Al<3+> can be detected separately. The formula is as show in the description.

The invention discloses a hydrocracking catalyst, comprising an acidic component and active metal component compounds, wherein the acidic component at least includes a molecular sieve, the active metal component compounds comprise compounds of Mo and/or W and compounds of Ni and/or Co, Mo and W are group VI-B elements, and Ni and Co are group VIII elements. The hydrocracking catalyst is prepared through loading of active components, dipping with a hydrazine derivative, drying and hydrogen activation. A preparation method for the hydrocracking catalyst comprises the following steps: (1) preparing a molecular sieve and a porous inorganic refractory oxide carrier and carrying out molding; (2) loading the active metal component compounds on the carrier; (3) carrying out dipping with the hydrazine derivative and drying; and (4) carrying out hydrogen activation so as to obtain the finished catalyst. The catalyst has good comprehensive performance and good nitrogen resistance, is used for treating heavy hydrocarbon materials and can realize maximum production of intermediate distillate oil.

The invention discloses a treatment solution for reducing the oxidation films on the surfaces of copper and copper alloys and a treatment method thereof. In the treatment solution, one or more of ascorbic acid, hypophosphite, glucose, hydrazine, hydrazine derivatives, hydroxylamine and hydroxylamine derivatives are used as reducing agents to reduce the oxygen element in the oxidation films formedon the surfaces of copper and copper alloys and keep the copper element. The treatment solution has the following advantages: the acid fog with a lot of H2, NO2 and the like can not generated in the reduction treatment to seriously influence the fitness of the operator; and after treatment, the copper ion content of the treatment solution is less than 0.5mg/l, thus the water treatment system can not be polluted; and the treatment solution is environmentally-friendly. In addition, the oxidation films formed on the surfaces of copper and copper alloys can be reduced to bright copper and copper alloys in only 1-5 minutes, thus the treatment solution is the treatment solution with low cost,, high treatment speed, remarkable effect and environmental friend and has good market application prospect, and the method is convenient to use.