aldol reaction


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Words related to aldol reaction

a reaction of aldehydes resulting in an aldol

References in periodicals archive ?
Chiral lithium amide promoted aldol reaction of tropinone (1, 8-methyl-8-azabicyclo[3.2.1]octan-3-one) has been used by us [13, 14] and others [15, 16] as a diastereoselective and enantioselective key step in several syntheses of tropane derivatives, mostly natural tropane alkaloids.
The spontaneous deuteration is faster than aldol reaction, the rate of which depends also on reactivity of the aldehyde used, indicating that the rate limiting step of the whole process is not the enolization.
List, "Quantum mechanical predictions of the stereoselectivities of proline-catalyzed asymmetric intermolecular aldol reactions," Journal of the American Chemical Society, vol.
The catalytic activities of pyridinium salts were also investigated starting with the aldol reaction of acetone with 4-nitrobenzaldehyde.
General Procedure for Aldol Reaction with Catalysts6, 7 and 8To a stirring mixture of acetone (10.0 mmol) and water (3 mL), Catalyst 6, 7 or 8 (10 mol%) was added.
Although Mannich reaction can be practiced with simple reaction setup and affordable reagents, it is limited by the lack of selectivity and competitive aldol reactions [26].
This reference on the features of six-membered transition states in stereoselective organic reactions covers reactions classified in four categories: [3,3]-sigmatropic rearrangements, aldol reactions, metal allylation reactions, and stereoselective reductions.
Huckin SN, Weiler L (1971) Aldol reactions of the dianion of [beta]-keto esters.
Scott Collins has been very active in the area of homogeneous catalysis of organic reactions including olefin polymerizations and stereoselective Diels-Alder and aldol reactions. His laboratory has developed some extremely useful metallocene catalysts which will catalyse the formation of high molecular weight polymers with narrow molecular weight distributions.
Reaction types and recent developments in their production are also described, with chapters describing Aldol reactions, the design of new enzyme catalyzed reactions.
They cover important natural products and pharmaceuticals, aldol reactions, Michael reactions and conjugate additions, rearrangement reactions, cycloaddition reactions, asymmetric cross-coupling and Mizoroki-Heck reactions.
The construction utilized enantioselective aldol reactions as well as Stille and Wittig couplings to prepare the sensitive cyanotetraene part of the molecule.
In addition to the rate acceleration or increase in yields, high stereo- and regioselectivity were also obtained for asymmetric aldol reactions and certain Diels-Alder reactions by performing emulsion reactions on water [6].
The topics include electrophilic aromatic substitution, organometallic reagents, acid halides and anhydrides, aldol reactions, amines, and proton (1H) nuclear magnetic resonance.