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Silver acetylacetonate

Oxidadve cross-conphng reactions of alkylated derivatives of activated CH compounds, such as malonic esters, acetylacetone, cyanoacetates, and ceitain ketones, v/ithnitroalkanes promoted by silver nitrate or iodine lead to the formation of the nitroalkylated products. This is an alternative way of performing Spj l reactions using cr.-halo-nitroalkanes. [Pg.138]

Other methods reported for the determination of beryllium include UV-visible spectrophotometry [80,81,83], gas chromatography (GC) [82], flame atomic absorption spectrometry (AAS) [84-88] and graphite furnace (GF) AAS [89-96]. The ligand acetylacetone (acac) reacts with beryllium to form a beryllium-acac complex, and has been extensively used as an extracting reagent of beryllium. Indeed, the solvent extraction of beryllium as the acety-lacetonate complex in the presence of EDTA has been used as a pretreatment method prior to atomic absorption spectrometry [85-87]. Less than 1 p,g of beryllium can be separated from milligram levels of iron, aluminium, chromium, zinc, copper, manganese, silver, selenium, and uranium by this method. See also Sect. 5.74.9. [Pg.142]

Molybdenum trioxide, intercalation into, 12, 823 Molybdocenes, as anticancer agents, 1, 892 MOMNs, see Metal-organometallic coordination networks Monisocyanides, with silver(I) complexes, 2, 223 Monitoring methods, kinetic studies, 1, 513 Mono(acetylacetonate) complexes, with Ru and Os halfsandwich rf-arenes, 6, 523 tj2-Monoalkene monodentate ligands, with platinum divalent derivatives, 8, 617 tetravalent derivatives, 8, 625 theoretical studies, 8, 625 zerovalent derivatives, 8, 612... [Pg.147]

With compound 64 available, vanadyl acetylacetonate catalyzed epoxidation [44] accompanied by simultaneous cyclization, afforded the corresponding tetrahydrofuran and its diastereomer in a 4 1 ratio (Scheme 12). Ring expansion of the corresponding mesylate 65 with silver (I) carbonate afforded compound 66 in a 42% yield for the two steps [45]. Extension of the side chain in six steps, followed by an asymmetric epoxidation, gave product 67 stereoselectively. The cyclization of 67 with titanium tetraisopropoxide in a manner consistent with model studies [27d], afforded bicyclic ether 68 in 65% yield. Transformation to the epoxide under standard conditions afforded fragment 69 ready to be coupled with the D-ring side chain. [Pg.26]

When treated with silver perchlorate or tetrafluoroborate in acetylacetone or ethyl methyl ketone, triphenylbismuth dichloride is converted to tetraphenylbismuth compounds [73JCS(D)1394],... [Pg.286]

The reaction between two equiv. of silver perchlorate and triphenylbismuth dichloride in acetylacetone caused immediate precipitation of silver chloride. After stirring for 30 min, the... [Pg.286]

In order to realize an industrial process it was very important that cationic rho-dium(I)-bisphosphinites could be obtained without the use of silver salts. For this purpose neutral rhodium(I)-bisphosphinite-cydooctadiene-acetylacetonate was prepared according to Fig. 7 and transformed into a cationic species by readion with acids, particularly sulfuric add (Fig. 8, A=HS04). This could also be achieved as a one pot reaction [19]. It should be noted that in addition we improved the existing procedures for the preparation of the precursor complexes [Rh(cod)Cl]2, Rh(cod)acac [20] and [Rh(cod)2]BF4. [Pg.45]


See other pages where Silver acetylacetonate is mentioned: [Pg.311]    [Pg.340]    [Pg.47]    [Pg.328]    [Pg.311]    [Pg.340]    [Pg.47]    [Pg.328]    [Pg.222]    [Pg.958]    [Pg.961]    [Pg.1002]    [Pg.143]    [Pg.806]    [Pg.825]    [Pg.51]    [Pg.105]    [Pg.369]    [Pg.393]    [Pg.1097]    [Pg.94]    [Pg.318]    [Pg.332]    [Pg.57]    [Pg.58]    [Pg.162]    [Pg.184]    [Pg.582]    [Pg.95]    [Pg.95]    [Pg.581]    [Pg.664]    [Pg.627]    [Pg.515]    [Pg.761]    [Pg.227]   
See also in sourсe #XX -- [ Pg.239 ]




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