摘要:
The invention provides a process for synthesizing aromatic thioether ketones comprising reacting an aromatic thioether with an acylating agent in the presence of heteropoly acids or heteropoly acid-containing solid supports or the salts of heteropoly acids.
摘要:
The present invention relates to a process for the production of porous inorganic materials or a matrix material containing nanoparticles with high uniformity of thickness and/or high effective surface area and to the materials obtainable by this process. By the abovementioned process materials with a defined thickness in the region of ± 10 %, preferably ± 5 %, of the average thickness are available.
摘要:
This invention relates to electroluminescent metal complexes of the formula (I), wherein the ring A, formula (II), represents an optionally substituted aryl group which can optionally contain heteroatoms, the ring B, formula (III), represents an optionally substituted nitrogen containing aryl group, which can optionally contain further heteroatoms, or the ring A may be taken with the ring B binding to the ring A to form a ring; the group C, formula (IV), represents an acyclic carbene, or a cyclic carbene (ring C), which can optionally contain heteroatoms, the ring D, formula (V), represents an optionally substituted aryl group which can optionally contain heteroatoms, n1 is an integer of 1 to 3, m1 is an integer of 0, 1, or 2, m2 is an integer 0, or 1, M1 is a metal with an atomic weight of greater than 40, L3 is a monodentate ligand, or a bidentate ligand, Y is -C(=O)-, or -C(X1)2-, wherein X1 is hydrogen, or C1-4alkyl, especially hydrogen, and y is 0, or 1, especially 0; a process for their preparation, electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs), as oxygen sensitive indicators, as phosphorescent indicators in bioassays, and as catalysts.
摘要:
Bis [ (E) -7- [4- (4-fluorophenyl ) -6-isopropyl-2- [methyl (methylsulfonyl) amino] pyrimid in-5-yl] - (3R, 5S) -3, 5-dihydroxyhept-6-enoic acid] ( also known as rosuvastatin ) calcium salt and hydrates can exist in new crystal forms B and C . These crystal forms provide a higher diversity on crystalline materials to optimize manufacture, formulation and biological efficiency.
摘要:
The present invention relates to compounds of the Formula (I), a process for their preparation and their use for the preparation of inks, colorants, pigmented plastics, coatings, non-impact-printing material, color filters, cosmetics, polymeric ink particles, toners, as fluorescent tracers, in color changing media, in solid dye lasers and electroluminescent devices. A luminescent device comprising a composition according to the present invention is high in the efficiency of electrical energy utilisation and high in luminance.
摘要:
The present invention is directed to a novel crystalline form of Zolmitriptan, herein designated as Form A, and several novel solvates of Zolmitriptan, herein designated as Form B, C, D, E, F, and G, processes for the preparation thereof and pharmaceutical compositions comprising these crystalline forms.
摘要:
The invention relates to a process for preparing solid particles of a phenolic antioxidant from the IRGANOX series in the form of crystals, particularly IRGANOX 1010 and 1098, the crystal particles obtainable by the process, the further processing of the crystal particles, an aqueous dispersion comprising the phenolic antioxidant, novel crystal modifications of pentaerythritol tetrakis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)-propionate] (μ -form) and N,N'-hexane-1,6diyl-bis[3-(3,5-di-tert-butyl-4-hydroxyphenylpropionamide)] (β -form) and aqueous dispersion comprising the new crystal modifications.
摘要:
The invention relates to catalysts allowing for C-C or C-N coupling, their manufacture and use, said catalysts having the formula 1 wherein (I) R1 and R2 with R3 and R4 and R5 and R6, and the binding atoms are quinolylene; (ii) R3 and R4 with R5 and R6 and R7 and R8, and the binding atoms are naphtylene; (iii) R3 and R4 with R5 and R6 and R7 and R8, and the binding atoms are phenylene, (iv) R5 and R6, with R7 and R8, and the binding atoms are phenylene; or (v) R1 and R2, with R3 and R4, and the binding atoms are pyridylene, while R5 and R6, with R7 and R8, and the binding atoms are phenylene; where the rings may in each case be unsubstituted or substituted; the remaining radicals of R1 to R8 are hydrogen or an organic group; dotted lines in formula 1 represent absent or present bonds; X is an anionic ligand; and L is a tertiary phosphine moiety.