CAS: 456-27-9; 4-Nitrobenzenediazonium Tetrafluoroborate

上下游产品

4-nitro-aniline sodium nitrite tert.-butylnitrite 1,5bis(4nitrophenyl)3cyanoformazan 4'-nitro-2-phenylnaphthalene 1-(4-nitrophenyl)naphthalene 1-(methylsulfonyl)-2-(4-nitrophenyl)diazene

4'-Hydroxyl-4-Nitroazobenzene,苯酚 反应生成 4-硝基重氮苯四氟硼酸盐
参考文献:Yurchenko,V. V.;Zulfigarov,O. S.;Melnik,D. N.;Pilipenko,A. T.,Ximiya I Texnol. Vody,12,(1990) N,S. 457-459
标题:Yurchenko,V. V.;Zulfigarov,O. S.;Melnik,D. N.;Pilipenko,A. T.,Ximiya I Texnol. Vody,12,(1990) N,S. 457-459

专利信息

专利号:EP-2468398-A1
优先权日:2010-12-22
标题 :Process for the electrochemical synthesis of hydrogen peroxide and use of a catalyst therefore
发明人：SCHIFFRIN DAVID JORGE; STASZAK-JIRKOVSKY JAKUB; HALASA MATEJ
权利人:SOLVAY
摘要:A process for the electrochemical synthesis of hydrogen peroxide, comprising reacting oxygen and hydrogen in the presence of a catalyst comprising at least gold and palladium deposited on a carrier, wherein the molar ratio of gold to palladium is higher than 1:1.

专利号:US-2025115557-A1
优先权日:2022-02-16
标题:Total syntheses of selenoneine, iso-selenoneine, and isomers
发明人：ACHOUBA ADEL; AYOTTE PIERRE
权利人:UNIV LAVAL
摘要:A process for the total synthesis of selenoneine, iso-selenoneine, and isomers thereof is disclosed herein. Regarding the synthesis of selenoneine, the process comprises reacting an alkylated L-histidine methyl ester with a stable, acid-labile alkylating agent followed by reaction with elemental selenium under mildly basic conditions; and an acidic hydrolysis step. Regarding the synthesis of iso-selenoneine, the process comprises reacting hercynine with an electrophilic R—Se—X species, wherein the R—Se—X species is obtained by reaction of an alkyl diselenide with X 2 , and wherein X is F, Cl, Br or I; and a deprotection reaction.

专利号:US-4061464-A
优先权日:1973-12-15
标题:Process for the preparation of dyestuff compositions
发明人：HAHNKE MANFRED; HOHMANN KURT; PAPENFUHS THEODOR
权利人:HOECHST AG
摘要:A process for the preparation of new dyestuff compositions which contain one or more basic dyestuffs in the form of dyestuff bases from the series of the triarylmethane, indoldiarylmethane, azine, oxazine, thiazine or xanthene dyestuffs or one or more basic dyestuffs of the series of the azo, anthraquinone, phthalocyanine, styryl, quinophthalone, benzoxanthene, naphthoylene-benzimidazole, naphthalimide or nitro series, carrying a primary, secondary or tertiary amino group or a guanidino or hydrazino group, as well as one or more non-ionic or slightly cationic surface-active agents and, optionally, water and/or an organic solvent miscible with water, which process comprises synthesizing the dyestuff in the surface-active agent optionally containing water and/or an organic solvent miscible with water, and then adding, if necessary, water and/or a solvent miscible with water and a further surface-active agent, this process of the invention having the advantage that an intermediate isolation, drying or grinding of the dyestuffs contained in the dyestuff compositions defined above is not necessary, so that the dyestuffs need not be introduced as substance into the surface-active agent and the solvent in a process wherein compositions of this type are prepared by a usual mixing, kneading or melting process; moreover, higher dyestuff yields are obtained in the dyestuff synthesis, and it allows to prepare dyestuff compositions from dyestuffs which are difficult to be isolated in substance after synthesis and often precipitate as oily or smeary products. The dyestuff compositions obtained according to the process of the invention, which are pastes or liquids, have a high stability upon storage. After being diluted with an aqueous solution of an amount at least equivalent to the dyestuff of an inorganic or organic acid, as well as, optionally, after the addition of dyeing and/or printing auxiliaries, the novel dyestuff compositions are suitable for dyeing or printing textile material containing acid groups.

专利号:US-9102801-B1
优先权日:2012-08-29
标题:Lignin nanoparticle synthesis
发明人：DIRK SHAWN M; CICOTTE KIRSTEN NICOLE; WHEELER DAVID R; BENKO DAVID A
权利人:DIRK SHAWN M; CICOTTE KIRSTEN NICOLE; WHEELER DAVID R; BENKO DAVID A; SANDIA CORP; GOODYEAR TIRE & RUBBER
摘要:A method including reducing a particle size of lignin particles to an average particle size less than 40 nanometers; after reducing the particle size, combining the lignin particles with a polymeric material; and forming a structure of the combination. A method including exposing lignin to a diazonium precursor including a functional group; modifying the lignin by introducing the functional group to the lignin; and combining the modified lignin with a polymeric material to form a composite. An apparatus including a composite of a polymer and lignin wherein the lignin has an average particle size less than 100 micrometers.

专利号:US-4668706-A
优先权日:1983-10-18
标 题 :Substituted aliphatic polyamide porous membranes
发明人：FORD DOUGLAS L
权利人:MEMTEC LTD
摘要:Aliphatic thermoplastic polyamide porous membranes are reacted with an acid halide of basicity above one to provide acid radicals within the membrane. The acid halide may be derived from an aromatic carboxylic acid or an aromatic derivative of a chlorosilane. The substituted aliphatic polyamide porous membrane lend themselves to the preparation of chemical derivatives of the membrane which are not readily available by aqueous synthesis and to increased density of derivatives which otherwise may be prepared by water.