CAS: 518-05-8; Naphthalene-1,8-Dicarboxylic Acid

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📜1-Bromoacenaphthylene置于sodium Dichromate,溴,氯体系中,用 四氯化碳,溶剂黄146 作为反应溶剂,化学反应生成 1,8-萘二甲酸
参考文献:Petrenko,G.P.; Usachenko,V.G.,Journal Of Organic Chemistry Ussr (English Translation),1968,Vol. 4,P. 335-338
标题:Petrenko,G.P.; Usachenko,V.G.,Journal Of Organic Chemistry Ussr (English Translation),1968,Vol. 4,P. 335-338

专利信息

专利号:US-12263464-B2
优先权日:2018-03-14
标题 :Method for in-situ synthesis of metal organic frameworks (MOFs), covalent organic frameworks (COFs) and zeolite imidazolate frameworks (ZIFs), and applications thereof
发明人：PAHWA DEEPAK; PAHWA VARUN; CHOUDHARY ANIL KUMAR; SONIA; JHA VIVEK KUMAR; CHAUHAN ANJALI; YADAV ANNU
权利人:DESICCANT ROTORS INTERNATIONAL PRIVATE LTD
摘要:The present invention relates to a method for the in situ synthesis of of MOFs (metal organic frameworks), COFs (covalent organic frameworks), and ZIFs (Zeolitic imidazolate framework), onto and within different types of porous substrates, and their applications. The present invention provides a unique and easy to utilize method by which a number of MOFs, COFs and ZIFs can be synthesized directly onto and within a porous substrate with high performance efficiency ensuring higher grammage in formation of adsorbent product onto and within the substrate.

专利号:US-2022089618-A1
优先权日:2019-01-29
标题:Solid-State Synthesis Of Precursors Of Metal-Organic Frameworks
发明人：MAJANO GERARDO J; FALKOWSKI JOSEPH M
权利人:EXXONMOBIL RES & ENG CO
摘要:Metal-organic frameworks (MOFs) are highly porous entities comprising a multidentate ligand coordinated to multiple metal atoms, typically as a coordination polymer. MOFs are usually produced from a solvent in powder form under hydrothermal or solvothermal synthesis conditions. Alternately, powder-form precursors of MOFs may be formed by milling or mulling a substantially solid mixture of a metal salt and a multidentate organic ligand, optionally in the presence of a small amount of a solvent. The powder-form precursors may then undergo heating, typically in the absence of applied shear, to produce the corresponding MOF. Mulling may be differentiated from milling at least in that mulling applies to the substantially solid mixture at a non-constant pressure and milling applies a constant pressure while forming the powder-form precursor. In some cases, mulling may promote more effective formation of the powder-form precursor compared to milling.

专利号:US-6174956-B1
优先权日:1995-06-02
标题 :Synthesis of condensation polymers in densified fluids
发明人：KERSCHNER JUDITH LYNNE; JURELLER SHARON HARRIOTT; THOMAIDES JOHN SOCRATES; HUMPHREYS ROBERT WILLIAM; IOVINE CARMINE PHILLIP
权利人:NAT STARCH CHEM INVEST
摘要:A polyurethane polymer and method of preparing it is described. The process requires the combination of a soluble polyol with a di- or polyisocyanate under densified fluid conditions. The process to prepare a waterborne polyurethane involves the utilization of a polyol containing ionic or latent ionic groups which must undergo preneutralization before combining with the di- or polyisocyanate under densified fluid conditions. The resulting polyurethane is substantially free of an organic solvent.

专利号:US-10737239-B2
优先权日:2015-11-27
标题 :Ultrafast high space-time-yield synthesis of metal-organic frameworks
发明人：BURCKHART JULIA; MARX STEFAN; ARNOLD LENA; HOFMANN CLAUS; Müller Ulrich
权利人:BASF SE
摘要:The invention relates to a process for the preparation of metal-organic frameworks (MOFs) in form of a homogenous powder, and a process wherein the metal-organic framework is molded into shaped bodies.

专利号:US-9951095-B2
优先权日:2014-05-16
标 题:Chromium metal organic frameworks and synthesis of metal organic frameworks
发明人：ZHOU HONG-CAI; Liu tian-fu; LIAN XIZHEN; ZOU LANFANG; FENG DAWEI
权利人:TEXAS A & M UNIV SYS
摘要:The present invention relates to monocrystalline metal organic frameworks comprising chromium ions and carboxylate ligands and the use of the same, for example their use for storing a gas. The invention also relates to methods for preparing metal organic frameworks comprising chromium, titanium or iron ions and carboxylate ligands. The methods of the invention allow such metal organic frameworks to be prepared in monocrystalline or polycrystalline forms.

专利号:US-3888885-A
优先权日:1972-08-30
标题 :Process for the preparation of 4-chloro-naphthalic acid anhydride
发明人：DEUCKER WALTER; TROSTER HELMUT
权利人:HOECHST AG
摘要:A process for the preparation of 4-chloro-naphthalic acid anhydride, wherein an alkali metal salt of naphthalic acid is chlorinated in an aqueous solution at a pH value of between 6.8 to 9.0 and at a temperature of between 0* to 30*C. By this onestep process 4-chloro-naphthalic acid is obtained in high yields and in a very pure form. It is a valuable intermediate product for the synthesis of dyes in the benzoxanthene and benzothioxanthene series as well as for optical brighteners.