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Organoaluminum organoaluminums

Organoaluminum compounds such as triphenylaluminum (527) are used for ketone synthesis[387]. On the other hand, the reaction of /-BuiAl affords the corresponding alcohol 528 by reductive carbonylation[388]. [Pg.201]

The 3.8-nonadienoate 91, obtained by dimerization-carbonylation, has been converted into several natural products. The synthesis of brevicomin is described in Chapter 3, Section 2.3. Another royal jelly acid [2-decenedioic acid (149)] was prepared by cobalt carbonyl-catalyzed carbonylation of the terminal double bond, followed by isomerization of the double bond to the conjugated position to afford 149[122], Hexadecane-2,15-dione (150) can be prepared by Pd-catalyzed oxidation of the terminal double bond, hydrogenation of the internal double bond, and coupling by Kolbe electrolysis. Aldol condensation mediated by an organoaluminum reagent gave the unsaturated cyclic ketone 151 in 65% yield. Finally, the reduction of 151 afforded muscone (152)[123]. n-Octanol is produced commercially as described beforc[32]. [Pg.445]

EinaHy, in 1976, Kaminsky and Sinn in Germany discovered a new family of catalysts for ethylene polymerization. These catalysts (ie, Kaminsky catalysts) contain two components a metallocene complex, usually a zkconocene, and an organoaluminum compound, methylaluminoxane (8,9). These catalysts and thek various later modifications enable the synthesis of ethylene copolymers with a high degree of branching uniformity. Formally classified as MDPE, LLDPE, or VLDPE, the resins thus produced have a number of properties that set them apart from common PE resins in terms of performance... [Pg.367]

Organoaluminum Compounds. Apphcation of aluminum compounds in organic chemistry came of age in the 1950s when the direct synthesis of trialkylalurninum compounds, particularly triethylalurninum and triisobutylalurninum from metallic aluminum, hydrogen, and the olefins ethylene and isobutylene, made available economic organoalurninum raw materials for a wide variety of chemical reactions (see a-BONDED alkyls and aryls). [Pg.137]

Tlie amphoteric behavior of aluminum hydroxide, wliich dissolves readily in strong acids and bases, is shown in Figure 4. In the pH range of 4 to 9, a small change in pH towards the neutral value causes rapid and voluminous precipitation of colloidal hydroxide wliich readily fomis a gel. Gels are also fomied by the hydrolysis of organoaluminum compounds such as aluminum alkoxides (see Alkoxides, metal). [Pg.169]

Prepa.ra.tlon, There are several methods described in the Hterature using various cobalt catalysts to prepare syndiotactic polybutadiene (29—41). Many of these methods have been experimentally verified others, for example, soluble organoaluminum compounds with cobalt compounds, are difficult to reproduce (30). A cobalt compound coupled with triphenylphosphine aluminum alkyls water complex was reported byJapan Synthetic Rubber Co., Ltd. (fSR) to give a low melting point (T = 75-90° C), low crystallinity (20—30%) syndiotactic polybutadiene (32). This polymer is commercially available. [Pg.530]

Propargylic alcohols are reduced by reaction with lithium aluminum hydride and subsequent hydrolysis to ( J-allylic alcohols via an organoaluminum intermediate (A) as shown below ... [Pg.146]

Reactions of enamines with aluminum hydrogen dichloride (540,541) (UAIH4 and AICI3) or aluminum hydrogen dialkyl compounds (542) led to organoaluminum intermediates which could be hydrolyzed to tertiary amines or oxidized to aminoalcohols. The formation of olefins by elimination of the tertiary amine group has also been noted in these reactions. [Pg.429]

I — the filler was activated in the liquid phase via reaction of the organoaluminum compounds fixed on the surface with VOCl3 II — activation of filler by previous securing on the surface of VOCl3 from the gas phase particles of less than 5-10microns in size amount to 96% ... [Pg.48]

Organoaluminum compounds. R. Koster and P. Binger, Adv. Inorg. Chem. Radiochem., 1965, 7,... [Pg.29]

In contrast, modest enantioselection has been observed in the asymmetric Diels-Alder reaction between cyclopentadiene (18) with methylacrylate and methylpropiolate catalyzed by chiral organoaluminum reagents 58 [59] (Equation 3.15) prepared from trimethylaluminum and (R)-(+)-3,3 -bis(triphenylsi-lyl)-l,l -bi-2-naphthol [60]. The reaction was highly cnJo-diastereoselective. [Pg.117]

The alkylation of tin tetrachloride with organolithium compounds, Grignard reagents, or organoaluminum compounds remains the most common route to tetraalkyltins, and thence, by the Kocheshkov disproportionation, to the various organotin halides. [Pg.4]

Organoaluminum Compounds Roland Kbster and Paul Binger... [Pg.437]

If the rearrangement of oxime sulfonates is induced by organoaluminum reagents,the intermediate (71) is captured by the nucleophile originally attached to the Al. By this means an oxime can be converted to an imine, an imino thioether (R—N—C—SR), or an imino nitrile (R—N—C—In the last case, the nucleophile comes from added trimethyl si lyl cyanide. The imine-producing reaction can also be accomplished with a Grignard reagent in benzene or toluene. ... [Pg.1416]

Reaction between oxime sulfonates and organoaluminum sulfides... [Pg.1676]

Reaction between an oxime sulfonate, an organoaluminum compound, and Mc3SiCN... [Pg.1676]


See other pages where Organoaluminum organoaluminums is mentioned: [Pg.252]    [Pg.130]    [Pg.227]    [Pg.348]    [Pg.705]    [Pg.453]    [Pg.395]    [Pg.397]    [Pg.479]    [Pg.383]    [Pg.383]    [Pg.383]    [Pg.397]    [Pg.398]    [Pg.398]    [Pg.430]    [Pg.430]    [Pg.430]    [Pg.352]    [Pg.68]    [Pg.206]    [Pg.131]    [Pg.534]    [Pg.38]    [Pg.40]    [Pg.840]    [Pg.840]    [Pg.87]    [Pg.541]    [Pg.1117]    [Pg.1275]   
See also in sourсe #XX -- [ Pg.4 , Pg.5 , Pg.533 ]




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Acetates organoaluminums

Acetophenone, methoxytin chloride complexes reaction with organoaluminum reagents

Acids Organoaluminum reagents

Additions of Organoaluminum Reagents

Alcohols Organoaluminum reagents

Aldehydes reactions with organoaluminum reagents

Aldol reactions Organoaluminum reagents

Alkenes from organoaluminums

Alkenes organoaluminum hydrides

Alkenes organoaluminums

Alkenes via organoaluminum reagents

Alkynes organoaluminum halides

Allylic reactions Organoaluminum reagents

Allylic substitution organoaluminum reagents

Aluminum organoaluminums

Azides, organoaluminum

Beckmann rearrangements organoaluminum promotion

Carbonation organoaluminum compounds

Carbonyl organoaluminum complexes

Carboxylic acids reactions with organoaluminum reagents

Catalytic system organoaluminum

Cationic Organoaluminum Compounds

Chromium/organoaluminum catalysts

Cyclohexen-2-one reactions with organoaluminum reagents

Cyclopentanones reactions with organoaluminum reagents

Diels-Alder reactions organoaluminum reagents

Esters reactions with organoaluminum reagents

Esters, p-hydroxy via organoaluminum reagents

Gephyrotoxin via organoaluminum-promoted Beckmann

Halides organoaluminums

Hydrides organoaluminum halides

Isobutene, organoaluminum Lewis acids

Isoelectronic Species in the Organophosphorus, Organosilicon, and Organoaluminum

Isoelectronic Species in the Organophosphorus, Organosilicon, and Organoaluminum Series

Keto esters reactions with organoaluminum-ate complexes

Ketones reactions with organoaluminum reagents

Lanthanide/organoaluminum species

Lewis bulky organoaluminum

Lithium metal organoaluminum halides

Magnesiums organoaluminums

Metal hydrides organoaluminum compounds

Metal organoaluminum

Metal organoaluminum halides

Modified Organoaluminums

Nitrogen hydrides organoaluminums

Organoaluminum

Organoaluminum Cations Supported by Tridentate Chelating Ligands

Organoaluminum Complexes Incorporating Redox-Active Ligands

Organoaluminum Compounds Containing Multiple Bonds

Organoaluminum Compounds Roland Koster and Paul Binger

Organoaluminum addition

Organoaluminum alkali metals

Organoaluminum alkoxides

Organoaluminum alkynes

Organoaluminum amides

Organoaluminum carboxylates

Organoaluminum complexes

Organoaluminum compounds

Organoaluminum compounds Subject

Organoaluminum compounds addition

Organoaluminum compounds aliphatic

Organoaluminum compounds alkenes

Organoaluminum compounds allylic

Organoaluminum compounds bonds

Organoaluminum compounds bridged

Organoaluminum compounds conjugate additions

Organoaluminum compounds conversion

Organoaluminum compounds coupling

Organoaluminum compounds dimerization

Organoaluminum compounds formation

Organoaluminum compounds free radicals

Organoaluminum compounds hydrolysis

Organoaluminum compounds preparation

Organoaluminum compounds properties

Organoaluminum compounds reaction

Organoaluminum compounds reaction with epoxides

Organoaluminum compounds reactions with

Organoaluminum compounds regioselectivity

Organoaluminum compounds stereochemistry

Organoaluminum compounds with alcohols

Organoaluminum compounds with halides

Organoaluminum compounds with halogens

Organoaluminum compounds, exchange

Organoaluminum compounds, exchange reactions

Organoaluminum conductivity

Organoaluminum cyanides

Organoaluminum formation

Organoaluminum group

Organoaluminum halides

Organoaluminum hydrides

Organoaluminum hydrides, reduction

Organoaluminum hydroxides

Organoaluminum lithium

Organoaluminum magnesium

Organoaluminum mercury

Organoaluminum metal hydrides

Organoaluminum metal-carbon bonds

Organoaluminum methylene

Organoaluminum nickel

Organoaluminum organoboron

Organoaluminum organomagnesium

Organoaluminum organomagnesiums

Organoaluminum oxides

Organoaluminum palladium

Organoaluminum precursor polymers

Organoaluminum promoted

Organoaluminum racemic

Organoaluminum reactions

Organoaluminum reactions with

Organoaluminum reagents

Organoaluminum reagents 1,2-addition reactions

Organoaluminum reagents Claisen rearrangement

Organoaluminum reagents acyl silane synthesis

Organoaluminum reagents acylation

Organoaluminum reagents additions

Organoaluminum reagents alcohol synthesis

Organoaluminum reagents alkenes

Organoaluminum reagents ate complexes

Organoaluminum reagents ate complexes, silyl

Organoaluminum reagents chiral

Organoaluminum reagents racemic

Organoaluminum reagents reactions with acid derivatives

Organoaluminum reagents reactions with epoxides

Organoaluminum reagents reactions with keto esters

Organoaluminum reagents regioselectivity

Organoaluminum reagents site selectivity

Organoaluminum reagents stereoselective addition reactions

Organoaluminum reagents, conjugate addition

Organoaluminum rearrangements

Organoaluminum redistribution

Organoaluminum redistribution with

Organoaluminum species

Organoaluminum structure

Organoaluminum thiolates

Organoaluminum-gallium and-thallium Compounds

Organoaluminum-nitrogen compounds

Organoaluminum-oxygen derivatives

Organoaluminum-promoted rearrangement

Organoaluminums

Organoaluminums alkene elimination

Organoaluminums boron halides

Organoaluminums formation

Organoaluminums isomerization

Organoaluminums methylene

Organoaluminums reactions with

Organoaluminums safety

Organoaluminums transmetallation

Organomagnesiums organoaluminums

Preparation of organoaluminum compounds

Properties of Organoaluminum Compounds

Prostanoids via organoaluminum reagents

Reactions of Organoaluminum Compounds

Reactions with organoaluminum reagents

Rearrangements of Organoaluminum Compounds and Their Group II Analogs

Rearrangements of Unsaturated Organoboron and Organoaluminum Compounds

Rearrangements organoaluminum compounds

Redistribution with organoaluminums

Reductions organoaluminum reagents

Safety measures in the production of organoaluminum compounds

Silicon organoaluminums

Subject from organoaluminums

Subject organoaluminums

Subject via organoaluminum reagents

Sulfoxides, P-hydroxy via organoaluminum reagents

Thioimidates via organoaluminum reagents

Trimethylaluminum (and Related Organoaluminum Compounds)

Use of Organoaluminum Species Supported by Chelating Ligands Selected Examples

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