CAS: 10025-99-7; Potassium Tetrachloroplatinate(Ii)

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专利信息

专利号:WO-2023058037-A1
优先权日:2021-10-05
标 题 :Biomolecule mixture for biogenic synthesis of metal nanoparticles
发明人：PAWAR KIRAN D; Desai Megha Prakash
权利人:SHIVAJI UNIV
摘要:The present invention relates to a method for preparation of biomolecule mixture in dried/freeze-dried form using bacterial strains selected from the group comprising Lysinibacillus xylanilyticus, Lysinibacillus sp, Lysinibacillus pakistanensis and Lysinibacillus macroides for simple and rapid biogenic synthesis of metal nanoparticles namely gold, silver, palladium and platinum nanoparticles. The method of preparation includes growing the bacterial strain, harvesting the biomass, centrifugation, washing, re- suspension, and incubation, collection of homogenate, centrifugation, collection of biomolecule mixture, precipitation, incubation, centrifugation, dissolution, dialysis, and freeze drying biomolecule mixture and the use of biomolecules mixtures for simple and rapid biogenic synthesis of gold, silver, palladium and platinum nanoparticles at broad range of reaction parameters such as reaction volume, concentration of biomolecule mixture and metal precursor, pH; incubation and reaction time.

专利号:US-2024424490-A1
优先权日:2021-01-25
标 题 :Method of synthesis of carbon-supported platinum group metal or metal alloy nanoparticles
发明人：WNUK PAWEL; LEWERA ADAM; JURCZAKOWSKI RAFAL; POWALA FILIP; KOLODZIEJCZYK JAN
权利人:UNIV WARSZAWSKI
摘要:The presented invention relates to a method of synthesis of carbon-supported platinum group metal or metal alloy nanoparticles, which comprises the following steps:n adsorbing on carbon support complexes of a platinum group metal with a urea complexing agent selected from a group comprising urea, urea derivative, a mixture of urea with at least one urea derivative, and a mixture of at least two urea derivatives; and reducing the complexes adsorbed on the carbon support to metal nanoparticles, forming a product of carbon-supported metal nanoparticles. nn The invention also provides the use of the carbon-supported platinum group metal or metal alloy nanoparticles obtained by the method of the invention as catalyst. n The present invention further relates to a method of adsorption of precursors of platinum group metals on the surface of a carbon support and use of complexes of platinum group metals with urea complexing agent for adsorption of platinum group metal precursors on carbon support.

专利号:US-2012123121-A1
优先权日:2009-06-12
标题:Synthesis of picoplatin
发明人：LEIGH ALISTAIR J; JOST STEFFEN
权利人:LEIGH ALISTAIR J; JOST STEFFEN; PONIARD PHARMACEUTICALS INC
摘要:An improved method for the synthesis of the anticancer drug picoplatin is provided. Condensation of a tetrachloroplatinate salt (TCP), such as potassium tetrachloroplatinate, and 2-picoline, in a solvent, is catalyzed by the presence of oxygen, such as in air, and additionally catalyzed by the presence of a Pt +4 complex, such as potassium hexachloroplatinate. The oxygen can be introduced into the reaction mixture by sparging, optionally with high shear mixing and under an inert gas headspace. The product trichloropicolineplatinate salt (TCPP) is a key intermediate in the synthesis of picoplatin, to which it can be converted by reaction of the TCPP with ammonia.

专利号:US-12304922-B1
优先权日:2021-12-09
标题:Low pressure process for synthesis of Pt(PF3)4 involving a soluble intermediate and storage of obtained Pt(PF3)4
发明人：NIKIFOROV GRIGORY; BLASCO NICOLAS
权利人:AIR LIQUIDE
摘要:A method for synthesis of Pt(PF3)4 (CAS #19529-53-4), the method comprising the steps of forming a suspension of a platinum precursor Pt(Hal)2, wherein Hal=F, Cl, Br or I, and a metal powder in a solvent, introducing excess amount of PF3 into the suspension of Pt(Hal)2 and the metal powder, forming a soluble reaction intermediate Pt(Hal)2(PF3)x in the solvent through a reaction between PF3 and Pt(Hal)2, wherein Hal=F, Cl, Br or I, x=1, 2, under a reaction condition, and forming Pt(PF3)4 from a reaction between Pt(Hal)2(PF3)x, the metal powder and the excess of PF3 in the solvent.

专利号:US-2024326127-A1
优先权日:2023-03-30
标 题:Methods of synthesizing ultrafine nano-alloys and fabricating powder precursors for use therein
发明人：CHENG GARY J
权利人:PURDUE RESEARCH FOUNDATION
摘要:Synthesis of ultrafine nano-alloys and powder precursors for use in the synthesis of ultrafine nano-alloys. A powder precursor is formed of metal salts on particles of a carbonaceous support, and then laser irradiated with a plurality of laser pulses delivered at a high frequency to reduce metal ions of the metal salt in the powder precursor to metal atoms and form the ultrafine nano-alloy.

专利号:US-7108845-B2
优先权日:2000-03-23
标题:Methods of synthesis and use of radiolabelled platinum chemotherapeutic agents
发明人：SMITH SUZANNE V
权利人:AUSTRALIAN NUCLEAR SCIENCE TEC
摘要:There is provided a method of synthesis of a radiolabelled platinum chemotherapeutic agent comprising the steps of: converting a metal halide to a radiolabelled platinum halide wherein the radiolabel is a radioisotope of Pt; and synthesizing the radiolabelled platinum chemotherapeutic agent from the radiolabelled platinum halide.