摘要:
The invention relates to the acyl- and bisacylphosphine derivatives according to formula (I), wherein Y represents O, S, NR3, N—OR3 or N—NR3R4, Z represents O, S, NR3, N—OR3, N—NR3R4 or a free pair of electrons, and FG represents a leaving group and the remaining groups are defined as in the description. The invention further relates to a method for the production of the inventive derivatives and to their use.
摘要翻译:本发明涉及式(I)的酰基和双酰基膦衍生物,其中Y代表O,S,NR 3,N-OR 3或N-NR 3, S 3 S 4 S 4,Z表示O,S,NR 3,N-OR 3,N-NR O 或者一对空电子,FG表示离去基团,其余的基团如说明书所定义。 本发明还涉及本发明衍生物的制备方法及其用途。
摘要:
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.
摘要:
Acylphosphine compounds of the formula I ##STR1## where X is oxygen, sulfur or an electron pair, R.sup.1 is R.sub.4 or OR.sup.4, R.sup.2 is --OM, where M is a monovalent cation, R.sup.3 is aryl which is substituted at least at the two positions ortho to the carbonyl group, and R.sup.4 is hydrogen, alkyl or aryl, are very effective photoinitiators for photopolymerizable materials, such as coating compositions, finishes, printing inks, unsaturated polyesters, recording media and preferably aqueous polymer dispersions or solutions.
摘要:
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.
摘要翻译: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。
摘要:
A process for dehydrogenating 1,4-butanediol to .gamma.-butyrolactone in the gas phase in the presence of a copper-containing catalyst, wherein the catalyst contains 4-40% by weight of copper and 0-5% by weight of Na.sub.2 O, based on the total weight of the catalyst, on a carrier consisting of 80-100% by weight of SiO.sub.2 and 0-20% by weight of CaO.
摘要:
In a process for hydrogenating an aromatic compound in which at least one hydroxyl group is bonded to an aromatic ring or an aromatic compound in which at least one amino group is bonded to an aromatic ring, in the presence of a catalyst comprising as catalytically active component at least one metal of transition group I, VII or VIII of the Periodic Table applied to a support, the catalyst is obtainable bya) dissolving the catalytically active component or a precursor compound thereof in a solvent,b) admixing the solution thus obtained with an organic polymer which is able to bind at least ten times its own weight of water, giving a swollen polymer,c) subsequently mixing the swollen polymer with a catalyst support material andd) shaping, drying and calcining the composition obtained in this way.
摘要:
The invention relates to the acyl- and bisacylphosphine derivatives according to formula (I), wherein Y represents O, S, NR3, N—OR3 or N—NR3R4, Z represents O, S, NR3, N—OR3, N—NR3R4 or a free pair of electrons, and FG represents a leaving group and the remaining groups are defined as in the description. The invention further relates to a method for the production of the inventive derivatives and to their use.
摘要:
A process for dehydrogenating 1,4-butanediol to .gamma.-butyrolactone in the gas phase in the presence of a copper-containing catalyst, wherein the catalyst contains 4-40% by weight of copper and 0-5% by weight of Na.sub.2 O, based on the total weight of the catalyst, on a carrier consisting of 80-100% by weight of SiO.sub.2 and 0-20% by weight of CaO.
摘要:
Acylphosphine oxides of the general formula ##STR1## where R.sup.1 is methyl or ethyl, R.sup.2 is a branched or straight-chain alkyl radical or chlorine, alkoxy or hydrogen, R.sup.3 and R.sup.4 are identical or different, and are each alkyl, alkoxy, alkylthio or chlorine and R.sup.5 is hydrogen, chlorine, alkoxy, alkylthio or alkyl, may be used as photoinitiators in photopolymerizable materials.
摘要:
A process for the reaction of an organic compound in the presence of a catalyst comprising, as active metal, ruthenium alone or together with at least one Group Ib, VIIb, or VIIIb metal in an amount of from 0.01 to 30 wt %, based on the total weight of the catalyst, applied to a support, wherein from 10 to 50% of the pore volume of the support comprises macropores having a pore diameter in the range of from 50 nm to 10,000 nm and from 50 to 90% of the pore volume of the support comprises mesopores having a pore diameter in the range of from 2 to 50 nm, the sum of said pore volumes being 100%, and said catalyst as such.