2-氯-5-硝基苯胺置于palladium 10% On Activated Carbon,一水合肼体系中,用 甲醇 用作溶剂,化学反应 0.25H,以96%的收率获得间苯二胺 参考文献:Selective Reduction Of Halogenated Nitroarenes With Hydrazine Hydrate In The Presence Of Pd/c 标题:Selective Reduction Of Halogenated Nitroarenes With Hydrazine Hydrate In The Presence Of Pd/c 摘要:A Large Variety Of Halogenated Nitroarenes Have Been Selectively Reduced With Hydrazine Hydrate In The Presence Of Pd/c To Give The Corresponding (Halogenated) Anilines In Good Yield. Doi:10.1055/s-0033-1339025
专利信息
专利号:US-4801744-A 优先权日:1985-03-01 标 题 :Catalytic synthesis of urea from carbon monoxide and amine compound 发明人:HERMAN JEAN-JACQUES; LECLOUX ANDRE 权利人:SOLVAY 摘要:Process for the catalytic synthesis of nitrogen-containing organic compounds, comprising the reaction of carbon monoxide with at least one amino compound in a reaction mixture containing a catalyst based on selenium and a substituted pyridine. The process is particularly suitable for the synthesis of ureas and of their polymers.
专利号:US-4895922-A 优先权日:1988-05-05 标 题 :Low temperature synthesis of polyesteramides 发明人:OGATA NAOYA 权利人:GOODYEAR TIRE & RUBBER 摘要:This invention disclosed a process for the synthesis of polyesteramides. By utilizing the phosphorus containing catalyst systems of the present invention, such polyesteramides can be synthesized at relatively low temperatures. The present invention specifically discloses a process for the synthesis of a polyesteramide which comprises polymerizing at least one diamine, at least one diol, and at least one dicarboxylic acid in the presence of (1) at least one acid acceptor; (2) at least one halogenated organic compound; and (3) at least one phosphorus containing compound selected from the group consisting of (a) triphenylphosphine, (b) triphenylphosphine oxide, (c) triphenylphosphine sulfide, (d) polymeric agents having pendant diphenylphosphine groups, (e) silicon-phosphorus compositions which contain at least one divalent oxygen atom which is bonded directly to a tetravalent silicon atom and a trivalent or pentavalent phosphorus atom; (f) compounds with the structural formula (C 6 H 5 ) 3 P=N-R, wherein R is a hydrogen atom or an alkyl group containing from 1 to 10 carbon atoms; and (g) compounds with the structural formula (C 6 H 5 )PR 1 R 2 wherein R 1 and R 2 can be the same or different, wherein R 1 is selected from the group consisting of alkyl groups containing from 1 to 10 carbon atoms and phenyl groups, and wherein R 2 is an alkyl group containing from 1 to 10 carbon atoms.
专利号:US-2004249114-A1 优先权日:2001-02-06 标题 :Methods of synthesis of polysuccinimide or polyaspartate by end capping polymerization 发明人:SWIFT GRAHAM; REDLICH GEORGE H; WEHBY JOHN NOLAN 摘要:Disclosed are methods of synthesis of homopolymers or copolymers containing succinimide or aspartate moieties formed in the presence of an end capping initiator. Also disclosed are methods of isolating, compounding, stabilizing and processing the homopolymers and copolymers.
专利号:US-6306179-B1 优先权日:1997-10-22 标题:Method for the synthesis of 2-hydroxyalkyl-para-phenylenediamines, new 2-hydroxyalkyl-para-phenylenediamines, their use for oxidation dyeing, dyeing compositions and methods of dyeing 发明人:GENET ALAIN; LAGRANGE ALAIN 权利人:OREAL 摘要:The present invention relates to a new method for the synthesis of 2-hydroxyalkyl-para-phenylenediamines which are substituted or unsubstituted at the 5-position of the benzene ring, new 2-hydroxyalkyl-para-phenylenediamines which are substituted or unsubstituted at the 5-position of the benzene ring, their use for the oxidation dyeing of keratinous fibers, the dyeing compositions containing them, as well as the methods of dyeing using them.
专利号:WO-2017089470-A1 优先权日:2015-11-27 标 题:Process for the synthesis of aryldiazonium salts using nitrogen oxides in oxygen-containing gas streams, especially from industrial waste gases 发明人:HOFMANN DAGMAR; HOFMANN JOSEFA; HEINRICH MARKUS 权利人:Friedrich-Alexander-Universität Erlangen-Nürnberg 摘要:The present invention relates to a process for the synthesis of aryldiazonium salts using nitrogen oxides in oxygen-containing gas streams, especially from industrial waste gases.
专利号:US-7423171-B2 优先权日:2006-06-20 标题 :One-step catalytic process for the synthesis of isocyanates 发明人:SERRANO FERNANDEZ FRANCISCO LU; ALMENA MUNOZ BEATRIZ; PADILLA POLO ANA; OREJON ALVAREZ ARANCHA; CLAVER CABRERO CARMEN; CASTILLON MIRANDA SERGIO; SALAGRE CARNERO PILAR; AGHMIZ ALI 权利人:REPSOL YPF SA 摘要:A one-pot process for the synthesis of isocyanates, polyisocyanates or mixtures thereof which includes the steps of:n i. preparing a mixture comprising an amine, an alcohol, an oxygen-containing gas, carbon monoxide, a metal complex catalyst selected from the group consisting of macrocyclic complex catalysts and cobalt Shiff base catalysts; and a solvent selected from the group consisting of aliphatic or aromatic halocarbons, perhalogenated alcohols, halogenated ethers, halogenated ketones, perfluorinated hydrocarbons, polymers of chlorotrifluoroethylene having the formula —(CF 2 —CFCl) n wherein n is between 2 and 10, and mixtures thereof; ii. subjecting the resulting mixture to a first heating under pressure; iii. cooling and depressurizing the mixture resulting from the previous step; and iv. subjecting the mixture of the previous step to a second heating to separate out the isocyanate product from the mixture.