CAS: 28836-03-5; Ammonium 8-(Phenylamino)Naphthalene-1-Sulfonate

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专利信息

专利号:US-4528076-A
优先权日:1984-11-01
标题 :Electrochemical oxidation synthesis of bis-(5,5') -8 -Anilino -1-naphthalene Sulfonate (bis-Ans)
发明人：GOSSAGE HENRY E
权利人:GOSSAGE HENRY E
摘要:A process for the production of bis-(5,5')-8- Anilino -1-naphthalene Sulfonate using an electrochemical cell, consisting of a container (a beaker), a carbon cloth anode, and a metal cathode. The electrochemical cell is charged with ingredients in accord with the following proportions--2.136 g (6.71 mmol) of 8- anilino - 1- naphthalene sulfonic acid ammonium salt dissolved in 100 mL of 0.1 M aqueous sodium perchlorate. As the solution is stirred (A stirring mechanism is used such as a magnetic stirring bar with the container (beaker) supported on a combination heat plate and magnetic drive stirrer), the D.C. power supply voltage is increased until current begins to flow between the electrodes. This solution is electrolyzed for approximately two hours through which time periodic samples are removed and monitored by Hplc (high performance liquid chromatography) until the amount of product reaches a maximum. Thereafter, the solvent is removed and the residue dissolved in a minimal amount of methanol and chromatographed on a short column of neutral alumina using methanol as the eluent. The solvent is removed and the residue dissolved in a minimum amount of water. Excess barium acetate is added to precipitate bis-Ans as barium salt that is collected and dissolved in water. An excess of potassium sulfate is added to convert the barium salt to dipotassium salt. This salt is recrystallized to give 0.686 g (1.01 mmol) of bis - (5,5') - 8 - anilino - 1 - naphthalene sulfonic acid dipotassium salt corresponding to substantially a thirty percent product yield.

专利号:RU-2054001-C1
优先权日:1990-07-20
标题 :Method of synthesis of 5-arginylaminonaphthalene-1-sulfamides

专利号:BR-PI0722163-A2
优先权日:2007-10-25
标题:RACEMOSELECTIVE SYNTHESIS OF ANSA METALOCENE COMPOUNDS, ANSA METALOCENE COMPOUNDS, CATALYSTORS UNDERSTANDING THE PROCESS TO PRODUCE AN OLEPHIN POLYMER BY THE USE OF CATALYZERS, AND HOMO- AND COPOLYMER COPOLYMERS

专利号:BR-112012020841-A2
优先权日:2010-02-19
标题 :synthesis of zinc acrylate copolymer.

专利号:BR-112020014849-A2
优先权日:2018-01-26
标题 :RECOMBINANT ISOLATED ANTIBODY OR ITS ANTIGEN BINDING FRAGMENT, PHARMACEUTICAL COMPOSITION, ISOLATED POLYNUCLEOTID MOLECULE, VECTOR, CELL, AND METHOD OF PREVENTING, TREATING OR IMPROVING THE LESS SYNTHESIS

专利号:AU-2015240775-A1
优先权日:2014-04-01
标 题 :Sigma-2 receptor ligand drug conjugates as antitumor compounds, methods of synthesis and uses thereof