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    • 1. 发明授权
    • Preparation of anhydrous 2-amino-1-methoxypropane
    • 无水2-氨基-1-甲氧基丙烷的制备
    • US5910612A
    • 1999-06-08
    • US82543
    • 1998-05-21
    • Joachim SimonAndreas HenneHeinz Lingk
    • Joachim SimonAndreas HenneHeinz Lingk
    • C07C213/02C07C213/10C07C217/08C07C209/02
    • C07C213/02C07C213/10
    • The process for preparing anhydrous 2-amino-1-methoxypropane proceeds by(a) admixing a 2-amino-1-methoxypropane-containing water-containing reaction mixture, obtainable from the reaction of 1-methoxy-2-propanol with ammonia on a catalyst, with sodium hydroxide solution, forming an aqueous phase containing sodium hydroxide solution and a 2-amino-1-methoxypropane-containing phase,(b) separating off the 2-amino-1-methoxypropane-containing phase from the aqueous phase and(c) distilling the 2-amino-1-methoxypropane-containing phase, an azeotrope of water and 2-amino-1-methoxypropane, which is recycled to step (a) or (b), first being produced and anhydrous 2-amino-1-methoxypropane then being produced.
    • 制备无水2-氨基-1-甲氧基丙烷的方法是:(a)将可从1-甲氧基-2-丙醇反应得到的含2-氨基-1-甲氧基丙烷的含水反应混合物与氨混合, 催化剂,用氢氧化钠溶液,形成含有氢氧化钠溶液和含2-氨基-1-甲氧基丙烷的相的水相,(b)从水相中分离出含2-氨基-1-甲氧基丙烷的相和( c)蒸馏出含有2-氨基-1-甲氧基丙烷的相,再循环至步骤(a)或(b)的水和2-氨基-1-甲氧基丙烷的共沸物,首先制得无水2-氨基-1-甲氧基丙烷, 然后生产1-甲氧基丙烷。
    • 3. 发明授权
    • Preparation of bis(2-morpholinoethyl) ether
    • 双(2-吗啉代乙基)醚的制备
    • US6111100A
    • 2000-08-29
    • US474906
    • 1999-12-30
    • Hartmut RiechersJoachim SimonAndreas HenneArthur Hohn
    • Hartmut RiechersJoachim SimonAndreas HenneArthur Hohn
    • C07D295/08B01J23/72C07D295/088C07D413/12
    • C07D295/088
    • In a process for preparing bis(2-morpholinoethyl) ether by reacting diethylene glycol with ammonia under superatmospheric pressure and at elevated temperature in the presence of hydrogen and a hydrogenation catalyst, the catalytically active composition of the catalyst prior to reduction with hydrogen comprisesfrom 20 to 85% by weight of aluminum oxide (Al.sub.2 O.sub.3), zirconium dioxide (ZrO.sub.2), titanium dioxide (TiO.sub.2) and/or silicon dioxide (SiO.sub.2),from 1 to 70% by weight of oxygen-containing compounds of copper, calculated as CuO,from 0 to 50% by weight of oxygen-containing compounds of magnesium, calculated as MgO, oxygen-containing compounds of chromium, calculated as Cr.sub.2 O.sub.3, oxygen-containing compounds of zinc, calculated as ZnO, oxygen-containing compounds of barium, calculated as BaO, and/or oxygen-containing compounds of calcium, calculated as CaO, andless than 20% by weight of oxygen-containing compounds of nickel, calculated as NiO, based on the oxygen-containing compounds of copper, calculated as CuO.
    • 在氢气和氢化催化剂的存在下,在二氧化乙烯与氨在超大气压和升高的温度下反应制备双(2-吗啉代乙基)醚的方法中,用氢还原之前的催化剂催化活性组合物包括20 至85重量%的氧化铝(Al 2 O 3),二氧化锆(ZrO 2),二氧化钛(TiO 2)和/或二氧化硅(SiO 2),1至70重量%的含氧化合物的铜,以CuO ,0〜50重量%的以氧化镁计的含氧化合物的镁,以Cr 2 O 3计算的含氧化合物的铬,以ZnO计的氧的含氧化合物,钡的含氧化合物,计算值 作为BaO,和/或以CaO计的钙的含氧化合物,以NiO计,基于含氧化合物的铜,小于20重量%的含氧化合物的镍 ,以CuO计算。
    • 9. 发明授权
    • Preparation of pyrroles
    • 吡咯的制备
    • US6162928A
    • 2000-12-19
    • US553254
    • 2000-04-20
    • Joachim Wulff-DoringJoachim SimonMichael HessePeter Wahl
    • Joachim Wulff-DoringJoachim SimonMichael HessePeter Wahl
    • B01J23/44B01J23/63C07B61/00C07D207/32C07D207/323
    • C07D207/323B01J23/44B01J23/63
    • A process for preparing pyrroles of the formula I: ##STR1## where R.sub.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different and are hydrogen atoms, alkyl groups having from 1 to 12 carbon atoms or cycloalkyl groups having from 3 to 12 carbon atoms, by dehydrogenation of pyrrolidines of the formula II: ##STR2## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined above, in the presence of a supported noble metal catalyst is described. In this process, the dehydrogenation is carried out at from 150 to 300.degree. C. and pressures of from 0.01 to 50 bar and the noble metal catalyst comprises from 30 to 100% by weight of:a) palladium on an oxide of a rare earth or an oxide of an element of the 4.sup.th group (transition group IV) of the Periodic Table, orb) a platinum/palladium mixture on aluminum oxide, an oxide of a rare earth or an oxide of an element of the 4.sup.th groupand from 0 to 70% by weight of alkali metal oxide or alkaline earth metal oxide.
    • 制备式I的吡咯的方法:其中R 1,R 2,R 3和R 4相同或不同,为氢原子,具有1至12个碳原子的烷基或具有3至12个碳原子的环烷基,通过脱氢 描述了在负载的贵金属催化剂的存在下,式II的吡咯烷(其中R 1,R 2,R 3和R 4如上定义)。 在该方法中,脱氢在150-300℃,压力为0.01至50巴,贵金属催化剂包含30-100重量%的:a)在稀土氧化物上的钯 或元素周期表第4族元素(过渡组IV)的氧化物,或b)在氧化铝上的铂/钯混合物,稀土的氧化物或第4族元素的氧化物, 0〜70重量%的碱金属氧化物或碱土金属氧化物。