Aldol reaction - Wikipedia, the free encyclopedia
The aldol reaction is a powerful means of forming carbon-carbon bonds in organic chemistry. Discovered independently by Charles-Adolphe Wurtz and Alexander Porfyrevich Borodin in 1872, the reaction ...
en.wikipedia.org/wiki/Aldol_reaction
Aldol condensation - Wikipedia, the free encyclopedia
An Aldol condensation is an organic reaction in which an enolate ion reacts with a carbonyl compound to form a β-hydroxyaldehyde or β-hydroxyketone, followed by dehydration to give a conjugated enon...
en.wikipedia.org/wiki/Aldol_condensation
Mechanism of the Aldol Addition ... ; Highly Enantioselective Organocatalytic Direct Aldol Reaction in an Aqueous Medium; V. Maya, M. Raj, V. K. Singh, Org. Lett., 2007, 9, 2593-2595.
www.organic-chemistry.org/namedreactions/aldol-addition... www.organic-chemistry.org/namedreactions/aldol-addition.shtm
Mechanism of the Aldol Condensation ... ; Organocatalytic Asymmetric Reaction Cascade to Substituted Cyclohexylamines; J. Zhou, B. List, J. Am. Chem. Soc., 2007, 129, 7498-7499.
www.organic-chemistry.org/namedreactions/aldol-condensa... www.organic-chemistry.org/namedreactions/aldol-condensation.shtm
The overall reaction is an equilibrium, as we would expect since all steps in our mechanism are equilibria. The equilibrium favors aldol product when the carbonyl group is an aldehyde, but does not for ketones.
chemistry2.csudh.edu/rpendarvis/a-carbaldol.html chemistry2.csudh.edu/rpendarvis/a-carbaldol.html
1. Mechanism of Electrophilic α-Substitution ... In the presence of acid or base catalysts the aldol reaction is reversible, and the beta-hydroxy carbonyl products may revert to the initial aldehyde or ketone reactants. In the absence of such catalysts these aldol products are perfectly stable and isolable compounds.
www.cem.msu.edu/~reusch/VirtualText/aldket2.htm
The simplest aldol reaction is the condensation of ethanal. This is shown below in 2 different representations (the line diagrams are less cluttered)..... ... MECHANISM OF THE ALDOL CONDENSATION...
www.mhhe.com/physsci/chemistry/carey5e/Ch18/ch18-3-4.ht... www.mhhe.com/physsci/chemistry/carey5e/Ch18/ch18-3-4.html
Macrophomate synthase (MPS) of the phytopathogenic fungus Macrophoma commelinae catalyzes the transformation of 2-pyrone derivatives to the corresponding benzoate analogues. ... The key results are that the Diels−Alder TS model is 17.7 and 12.1 kcal/mol less stable than the Michael and aldol TSs in the stepwise route, r...
pubs.acs.org/doi/abs/10.1021/ja043905b
Enantioselective Catalysis of Ketoester-ene Reaction of Silyl Enol Ether to Construct Quaternary Carbons by Chiral Dicationic Palladium(II) Complexes...
pubs.acs.org/doi/abs/10.1021/ja00068a098
research.cm.utexas.edu/nbauld/teach/ch610bnotes/ch18/al... research.cm.utexas.edu/nbauld/teach/ch610bnotes/ch18/aldolmech.htm