专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明授权

US07396959B2 Process for preparing symmetrical and unsymmetrical N,N-dihydrocarbylhydroxylamines 失效
标题翻译：制备对称和不对称的N，N-二烃基羟胺的方法
公开(公告)号：US07396959B2
公开(公告)日：2008-07-08
申请号：US11607626
申请日：2006-12-01
申请人： Gunter Scherhag , Lars Wittenbecher
发明人： Gunter Scherhag , Lars Wittenbecher
IPC分类号： C07C239/12 , C07C291/00
CPC分类号： C07C239/10 , C07C2601/14
摘要： A process for preparing N,N-dihydrocarbylhydroxylamines of the general formula (I) where R1, R2, R3 and R4 are selected independently from among hydrogen, aliphatic, cycloaliphatic, heteroaromatic and aromatic radicals, or R1 and R2 and/or R3 and R4 are joined to form a ring, and not more than one radical among R1, R2, R3 and R4 is hydrogen, which comprises the steps a) reaction of hydroxylamine H2NOH or a salt of hydroxylamine with a compound of the general formula (II) or (III) where R1, R2, R3 and R4 are as defined in formula (I), b) hydrogenation of the compound formed in step a) in the presence of a catalyst, c) further reaction of the compound formed in step b) with a compound of the general formula (II) or (III) and hydrogenation of the reaction mixture in the presence of a catalyst and d), if appropriate, reaction of the salt of the dihydrocarbylhydroxylamine formed in step c) with a base.
摘要翻译：制备通式（I）的N，N-二烃基羟胺的方法，其中R 1，R 2，R 3和R 2 > 4个独立地选自氢，脂族，脂环族，杂芳族和芳族基团，或R 1和R 2和/或R 3 R 4和R 4连接形成环，R 1，R 2，R 2，R 4， SUP> 3和R 4是氢，其包括步骤a）羟胺H 2 NOH或羟胺的盐与一般化合物的反应式（II）或（III）其中R 1，R 2，R 3和R 4均为在式（I）中定义，b）在催化剂存在下氢化步骤a）中形成的化合物，c）步骤b）中形成的化合物与通式（II）或（III ）和催化剂存在下氢化反应混合物，和d）如果a 将步骤c）中形成的二烃基羟胺的盐与碱反应合适。

22. 发明授权

US07777059B2 Copper(I) formate complexes 有权
标题翻译：铜（I）甲酸盐络合物
公开(公告)号：US07777059B2
公开(公告)日：2010-08-17
申请号：US10583103
申请日：2004-12-15
申请人： Lars Wittenbecher , Heinrich Lang , Yingzhong Shen
发明人： Lars Wittenbecher , Heinrich Lang , Yingzhong Shen
IPC分类号： C07F1/08
CPC分类号： C23C18/1216 , C07F1/005 , C07F9/5045 , C23C16/18 , C23C18/08
摘要： Copper (I) formate complexes of general formula LnCu(HCOO).x COOH are decomposed in order to separate metallic copper, wherein x is a number from 0 to 10, n amounts to, 2, 3 or 4 and the n ligands L represent, independent of one another, one of the following ligands: a phosphane of formula R1R2R3P; a phosphite of formula (R1O)(R2O)(R3O)P; an isocyanide of formula R1—NC; an alkene of general formula R1R2C═CR3R4; or an alkyne of general formula R1C═CR2; wherein R1, R2, R3 and R4 represent, independent of one another, hydrogen, a linear or branched, optionally partly or fully fluorinated alkyl, aminoalkyl, alkyoxialkyl, hydroxialkyl, phosphinoalkyl or aryl radical having up to 20 carbon atoms, with the exception of triphenylphosphino-copper (I) formate and 1,1,1-tris(diphenylphosphinomethyl)ethane-copper (I) formate.
摘要翻译：分解通式为LnCu（HCOO）x COOH的铜（I）甲酸盐络合物以分离金属铜，其中x为0至10的数，n为2,3或4，n配体L表示，彼此独立地是以下配体之一：式R 1 R 2 R 3 P的膦; 式（R1O）（R2O）（R3O）P的亚磷酸酯; 式R1-NC的异氰酸酯; 通式为R 1 R 2 C = CR 3 R 4的烯烃; 或通式为R1C = CR2的炔; 其中R 1，R 2，R 3和R 4彼此独立地表示氢，直链或支链，任选部分或完全氟化的烷基，氨基烷基，烷氧基烷基，羟烷基，膦基烷基或芳基，其具有至多20个碳原子，三苯基膦 - 铜（I）甲酸酯和1,1,1-三（二苯基膦基甲基）乙烷 - 铜（I）甲酸酯。

23. 发明申请

US20100111807A1 PROCESS FOR PREPARING CRYSTALLINE HYDROXYLAMINE-O-SULFONIC ACID 有权
标题翻译：制备结晶羟甲基-L-硫代酸的方法
公开(公告)号：US20100111807A1
公开(公告)日：2010-05-06
申请号：US12524243
申请日：2008-01-21
申请人： Lars Wittenbecher , Reinhold Goth
发明人： Lars Wittenbecher , Reinhold Goth
IPC分类号： C01B21/093
CPC分类号： C01B21/093 , C01P2004/61 , C01P2006/80
摘要： A process for preparing crystalline hydroxylamine-O-sulfonic acid by a. reacting hydroxylamine or a hydroxylammonium salt with oleum/sulfuric acid or with chiorosulfonic acid/sulfuric acid at a temperature in the range from 90 to 130° C., b. continuing to stir the reaction mixture at a temperature in the range from 90 to 130° C. for a period of from 2 to 24 hours, c. cooling the reaction mixture to a temperature in the range from 10 to 40° C. within a period of from 1 to 12 hours and d. subsequently removing and washing the hydroxylamine-O-sulfonic acid which has crystallized out.
摘要翻译：一种通过a制备结晶羟胺-O-磺酸的方法。 b。将羟基胺或羟基铵盐与发烟硫酸或硫酸/硫酸反应，在90至130℃的温度范围内。在90至130℃的温度下继续搅拌反应混合物2至24小时，c。在1至12小时的时间内将反应混合物冷却至10至40℃的温度，d。随后除去和洗涤结晶出的羟胺-O-磺酸。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式