CAS: 1126-78-9; N-Butylaniline

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正丁醛-苯胺冷凝物置于polymeric Xylylene-Ionene Borohydride体系中,用 甲醇 用作溶剂,化学反应 3.0H,以84%的收率获得n-丁基苯胺
参考文献:离子键结合的硼氢化物:高效,选择性和通用的聚合物支持的还原剂
标题:离子键结合的硼氢化物:高效,选择性和通用的聚合物支持的还原剂
摘要:使用高容量的基于紫罗烯的硼氢化物试剂可以有效地完成结构不同的羰基化合物的还原,例如醛,酮,α,β-不饱和烯和烯酮,酰氯和亚胺.在环境温度下,醛和亚胺在甲醇中以优异的收率还原为相应的醇和胺,而在 异丙醇 和 Thf-Me Oh中在回流下将酮和酰氯还原 .用这些试剂成功地实现了醛对酮的化学选择性还原.在α,β-不饱和醛和酮的还原中也观测到完全的区域选择性.
Doi:10.1007/s00706-007-0756-5

专利信息

专利号:EP-0082618-B1
优先权日:1981-12-23
标题 :Method of preparing a polymeric coating composition
摘要:A method of preparing a storage-stable one-part reactive liquid thermal curing polymeric coating composition from an isocyanate-functional polymeric compound which has a substantial portion of its isocyanate groups masked with an isocvanate masking agent, and a crosslinking agent which is substantially insoluble in aprotic solvents. These liquid compositions are homogeneous even when free of solvents. Preferably the crosslinking agent is a crystalline polyol. The method involves the synthesis of a solubilizing oligomer which is formed by the partial reaction of the crosslinking agent and the unmasked isocyanate-functional polymeric compound. The thermal curing of these compositions results in polymeric coatings which possess superior physical properties. These cured coatings are particularly useful in the manufacture of retroreflective sheeting.

专利号:WO-2022223696-A1
优先权日:2021-04-22
标 题 :Process for synthesis of n-alkyl-n-phenyl hydrazine
发明人：ENDRES ANDREAS; NANDURKAR NITIN SUBHASH; KATE KIRAN; SATHE SHANTANU SHRIKANT
权利人:COLORANTS INT LTD
摘要:The invention provides a process for synthesizing N-alkyl-N-phenyl hydrazine which is devoid of any organic solvents and can be carried out at lower temperatures. The process is environmental-friendly and gives better yield and high purity of the N-alkyl-N-phenyl hydrazine.

专利号:US-10557210-B2
优先权日:2014-02-24
标题 :Direct electrochemical synthesis of doped conductive polymers on metal alloys
发明人：KINLEN PATRICK JOHN; LAWLESS LAWRENCE MICHAEL
权利人:BOEING CO
摘要:This disclosure relates generally to the discovery of improved methods of reducing corrosion on metals and metal alloys without using hexavalent chromium reagents. More particularly, the disclosure relates to preparing corrosion resistant metals using doped conducting polymers such as polyaniline (PANI) on metal alloys such as aluminum alloys.

专利号:US-4530859-A
优先权日:1981-12-23
标 题:Method of preparing a polymeric coating composition from a blocked isocyanate-functional polymeric compound and a crosslinking agent which is insoluble in aprotic solvents
发明人：GRUNZINGER JR RAYMOND E
权利人:MINNESOTA MINING & MFG
摘要:A method of preparing a storage-stable one-part reactive liquid thermal curing polymeric coating composition from an isocyanate-functional polymeric compound which has a substantial portion of its isocyanate groups masked with an isocyanate masking agent, and a crosslinking agent which is substantially insoluble in aprotic solvents. These liquid compositions are homogeneous even when free of solvents. Preferably the crosslinking agent is a crystalline polyol. The method involves the synthesis of a solubilizing oligomer which is formed by the partial reaction of the crosslinking agent and the unmasked isocyanate-functional polymeric compound. The thermal curing of these compositions results in polymeric coatings which possess superior physical properties. These cured coatings are particularly useful in the manufacture of retroreflective sheeting.

专利号:US-4719053-A
优先权日:1980-08-01
标题 :Beta-chloroethylsulfonylmethyl-benzoic halides as intermediates
发明人：SCHLAEFER LUDWIG; HAEHNLE REINHARD
权利人:HOECHST AG
摘要:New beta -chloroethylsuflonylmethyl-benzoic acid halides which can serve as fibre-reactive anchors for thesynthesis of novel organic, water-soluble compounds, preferably dyestuffs, having fibre-reactive and fibre-finishing properties, such as preferably dyestuff properties, and containing, as a fibre-reactive group, one or two beta -chloroethylsufonylmethylbenzoic acid amide groups. For the synthesis of these novel fibre-finishing compounds, said new beta -chloroethylsulfonylmethyl-benzoic acid halide compounds are reacted with an organic, water-soluble compound having fibre-finishing properties and continuing one or two amino groups. Also precursors of the fibre-finishing, fibre-reactive compounds, containing said beta -chloroethylsulfonylmethyl-benzxoic acid amid grouping, can be employed for their synthesis. The novel fibre-finishing compounds can be applied onto suitable fibre materials, such as especially cellulose fibre material and natural or synthetic polyamide fibre materials, and fixed on these fibre materials in a manner similar to application and fixation methods usual in the technique for fibre-reactive compounds. The fibre-finished material, such as dyed material, shows very good wet fastnesses.

专利号:US-2023295438-A1
优先权日:2022-03-15
标题 :Bis-azo dyes for thin film polarizers and synthesis method
发明人：VASHCHENKO VALERII VLADIMIROVICH; VASHCHENKO OLENA; KWOK HOI SING; MENG CUILING; HO YEUK LUNG
权利人:UNIV HONG KONG SCIENCE & TECH
摘要:A dichroic bis-azo biphenyl dye of the following formula: n n n n n n n n n n The substituents R 1 , R 2 , R 3 , R 4 are alkyl (C n H 2n+1 ) or alkenyl (C n H 2n−1 ) groups with n=1-18. At least one substituent among R 1 R 2 R 3 R 4 is different from the other substituents. A benzidine-free method of making a dichroic bis-azo biphenyl dye is provided in which the biphenyl portion of the dye is formed from different first and second mono-azo dyes by a cross-coupling reaction, which may be a Suzuki reaction. A polarizer is formed from a photoaligned layer of the bis-azo biphenyl dye on a substrate and exhibits a dichroic ratio of at least 40. Chemical modification of the photoaligned bis-azo biphenyl dye layer creates a broad-band thin film polarizer with low light scattering and high thermal and photo tolerances.